Differences in psychological and affective well-being between physicians and resident physicians: Does high and low self-regulation capacity matter?
© Simon and Durand-Bush; licensee Springer. 2014
Received: 4 March 2014
Accepted: 2 September 2014
Published: 15 October 2014
Physician well-being has rapidly become an important area of interest given that reduced well-being can have a negative effect on patient outcomes. The majority of studies in this area have focused on impairment, and research on skills and processes that allow physicians and resident physicians to achieve and maintain adequate levels of well-being has been limited. As such, the purpose of the present study was to adopt a positive psychology approach to investigate well-being as more than the presence or absence of dysfunction. It aimed to examine the link between self-regulation capacity, an important self-management skill, and psychological and affective well-being among physicians and resident physicians.
A total of 132 Canadian physicians and resident physicians completed online questionnaires assessing their levels of psychological and affective well-being and self-regulation capacity in order to determine if there were significant differences in well-being between physicians and resident physicians with high and low self-regulation capacity.
Physicians and resident physicians had moderate and high levels of self-regulation capacity, respectively. While both groups were generally high in psychological well-being, they had average levels of positive and negative affect. Between-subject MANOVAs confirmed the hypothesis that high self-regulating physicians and resident physicians have higher levels of psychological well-being and positive affect compared to those with lower levels. However, those higher in self-regulation capacity did not have lower negative affect, nor did physicians have significantly higher levels of psychological and affective well-being than resident physicians.
Results do not support some of the literature suggesting that physicians are highly distressed and cannot manage the demands of their profession. The positive significant association between the physicians and resident physicians' self-regulation capacity and well-being implies that nurturing self-regulation skills within this population could potentially be one way to help them adapt to meet the evolving demands of the medical profession.
KeywordsPsychological well-being Affect Positive psychology Self-regulation capacity Physician Resident Health and wellness
Physician health and well-being: a focus on impairment
The knowledge and skills physicians derive from years of intensive and committed medical training have prepared them to meet the medical challenges of their patients. However, physicians often lack the skills to effectively manage themselves and their environment (Shanafelt et al. ), which could arguably impact their well-being and that of their patients. Although well-being is relevant in any work environment, its importance is underscored in the practice of medicine as this context involves making critical decisions regarding individuals' health (Uncu et al. ). Reduced well-being among physicians has been found to have a negative effect on patient outcomes and quality of overall care (Shanafelt et al. ; Taub et al. ). In response, calls have recently been made to prioritize the health and well-being of physicians (Krasner et al. ).
From a research perspective, physician wellness is a rapidly growing field, however, to date, the majority of studies have focused on impairment and dysfunction (Compton ), with burnout being the most prevalent theme (e.g., Diez-Pinol et al. ; Shanafelt et al. ). It is noteworthy that studies on physician well-being often include resident physicians (i.e., physicians undergoing their post-graduate medical education training) as the well-being of this subset of physicians has also become a developing area of interest (Williams et al. ). Mirroring the results of studies with physicians, negative outcomes such as burnout (Bragard et al. ), stress (Daly and Willcock ), and anxiety (Michels et al. ) have been observed in resident physicians. Furthermore, low resident wellness has also been associated with reduced quality of patient care (Firth-Cozens and Greenhalgh ). Again, similar to their physician counterparts, these negative outcomes have been linked to influencing factors such as lack of sleep and long work hours (Rosen et al. ), high expectations (Cohen and Patten ), and reduced work-life balance (Eckleberry-Hunt et al. ).
Nevertheless, despite inherent nuances between physicians and resident physicians (e.g., level of experience and expertise), it is surprising that few studies have targeted potential differences by comparing and contrasting their levels of well-being. Existing studies tend to focus on single or few wellness-related variables and do not compare the levels of well-being of physicians and resident physicians across multiple dimensions. For instance, it has been shown that resident physicians often have heavier workloads, lower levels of autonomy (Aasland et al. ; Biaggi et al. ; Thomas ), and a higher risk of burnout (Cohen and Patten ; Leiter et al. ) compared to more senior physicians. In light of such differences between physicians and resident physicians and the scarcity of research comparing the two groups, the present study aimed to assess and contrast the psychological well-being of physicians and resident physicians.
Psychological and affective well-being: a positive psychology perspective
Although the breadth and depth of physician health and well-being research suggests that a clearer understanding of physician well-being is emerging, it has been argued that little is known about what it means for physicians to be well beyond pathology (Spickard ; Weiner et al. ). This has led to research demands emphasizing the positive elements of physician well-being (Shanafelt et al. ). Consequently, recent movements in positive psychology (e.g., Seligman and Csikszentmihalyi ) were followed in the present study in order to conceptualize well-being as more than the presence or absence of dysfunction (Haworth and Hart ). Two mutually reinforcing conceptualizations of well-being were relevant in the current investigation; psychological and affective well-being.
Positive evaluations of oneself and one's past life (self-acceptance);
A sense of continued growth and development as a person (personal growth);
The belief that one's life is purposeful and meaningful (purpose in life);
The possession of quality relations with others (positive relations with others);
The capacity to manage effectively one's life and surrounding world (environmental mastery);
A sense of self-determination (autonomy).
The extent to which individuals experience these dimensions reflects their overall sense of psychological well-being.
Given the considerable support this multidimensional model has received (Carmody and Baer ; Riediger and Freund ), and the disproportionate low number of studies that examine physician well-being from a holistic, positive perspective (Spickard ; Weiner et al. ), the present study on physician and resident physician well-being was conceptualized using Ryff and Keyes' six dimensions of psychological well-being. Interestingly, although Ryff and Keyes () do not include affect as one of their dimensions in their model, they do not minimize its importance. Since affect plays an important role in one's well-being (Diener ; Watson et al. ) and in medical practice as well (Wallace and Lemaire ), this dimension was also incorporated into the current study. Specifically, affective well-being is characterized by the balance between one's positive (i.e., pleasant emotions) and negative (i.e., unpleasant emotions) affect and one's overall satisfaction with life (Diener and Ryan ; Watson et al. ).
Although physician well-being has seldom been investigated using an optimal functioning perspective, research in other contexts has consistently demonstrated the positive effect of well-being on different outcomes, which are relevant to the medical profession. Examples include productivity and work performance, quality of social relationships, and mental and physical health (Diener and Biswas-Diener ; Keyes and Waterman ). Individuals with higher levels of well-being also tend to adopt more positive self-care qualities, and exhibit fewer maladaptive lifestyle and health behaviours (Diener and Ryan ; Zimmerman ). As such, it seems reasonable to assert that finding ways to help physicians achieve and maintain a high level of well-being may lead to improvements in not only personal health, but also the reduction of medical errors (Goldman et al. ) and the overall quality of patient care (Shanafelt et al. ). Surprisingly, however, the investigation of such skills, processes, and strategies that may be allowing some physicians to maintain adequate levels of well-being has been limited. To address this gap, the present study explored self-regulation capacity as one such variable.
Self-regulation capacity reflects one's competence to self-manage. It involves planning, generating, controlling, and adjusting thoughts, feelings, and actions in order to achieve personal goals and adapt to one's changing environment. It also takes into account external social agents and the reciprocal effect these have on an individual's behavior (Zimmerman ). Self-regulation capacity rests on a series of sub-processes such as goal setting, planning, self-monitoring, and self-reflection (Bandura ), which can be developed with attention, effort, and practice (Simon and Durand-Bush ). Of interest is that self-regulation capacity addresses not only how we strive for optimal functioning but also how we cope with adversity and dysfunction. In fact, Vohs and Baumeister () reported that many issues we face on a daily basis involve a failure or an inability to effectively self-regulate. Thus, physicians who experience issues related to their well-being may not be effectively self-regulating - that is, managing their behaviours, feelings, and thoughts that resonate with their desired positive outcomes. Conversely, it also stands to reason that physicians who effectively regulate may be more likely to maintain adequate levels of well-being in the face of adversity (e.g., reduced work-life balance, lack of autonomy). Given the central importance of goal-directed behavior in one's self-regulation capacity (Carver and Scheier ; Zimmerman ) and the link between goal attainment and well-being (Brunstein ), it is not surprising that self-regulation capacity has been viewed as a key variable in psychological functioning and linked to a range of positive well-being outcomes (Baumeister et al. ; Sanders and Mazzucchelli ).
The concept of self-regulation has been extensively studied across multiple contexts including education (Boekaerts and Niemivirta ), and health (Leventhal et al. ). In education, self-regulation capacity was linked to several positive outcomes. For example, Hofer et al. () found that university students with pronounced self-regulatory capabilities had higher levels of well-being. Park et al. () observed that self-regulation competence was significantly related to positive adjustment (e.g., lower depression, anxiety, and stress) among university students. Moreover, Tangney et al. () demonstrated that students' self-control, a central self-regulation sub-process, predicted low psychopathological symptoms, and better interpersonal relationships. The quality of social relationships is equally important for physicians, as reduced well-being affects the physician-patient relationship and quality of patient care (Taub et al. ). Conversely, a diminished capacity to self-regulate has been linked to negative well-being outcomes. For instance, Hustad et al. () reported that ineffective self-regulation was a risk factor for adverse consequences related to alcohol use among college students. In the context of health, self-regulation capacity has been investigated more as the ability to cope with and adapt to health threats (Leventhal et al. ). With a focus on reducing illnesses rather than achieving optimal functioning, it is not in line with the positive psychology approach utilized in the current study. Nonetheless, Leventhal et al. () demonstrated the importance of perception, goals, and social influences in the self-regulation of health threats.
In the context of medical practice, the relationship between self-regulation capacity and the well-being of physicians and resident physicians is virtually unknown. However, three recent studies laid the groundwork for the current investigation. Simon and Durand-Bush () documented the development of self-regulation capacity among medical students participating in a 17-week intervention. Increased capacity was perceived by the students to enhance their medical performance. In another study, Sandars and Cleary () postulated that self-regulation competence offers exciting potential for improving academic and clinical performance in medical students. However, its link to well-being outcomes was not discussed. Perhaps the most relevant study to date was conducted by Gagnon and Durand-Bush () who reported that self-regulation capacity was not only significantly correlated with psychological well-being, stress, and burnout in medical students and physicians, it also predicted a significant amount of variance in these outcomes. It was thus concluded that self-regulation capacity might be an important skill for medical students and physicians to develop in order to meet the demands of their medical profession.
Purpose and rationale
As the evidence suggests, developing effective self-regulatory competence may be a proactive means of addressing dysfunctional outcomes and promoting optimal well-being among physicians and resident physicians. In light of this, and the negative effects the rigors of medical training and practice can have on physician well-being (Musselman ; Shanafelt ), it is surprising that little research has examined the association between self-regulation capacity and well-being in the context of medicine. In order to shed more light on this, the objectives of this study were to: (a) assess the level of self-regulation capacity and psychological and affective well-being of physicians and resident physicians; and (b) determine if there were significant differences in psychological and affective well-being between physicians and resident physicians with high and low self-regulation capacity. For the first objective, Gagnon and Durand-Bush () found that physicians and medical students had moderate to high levels of self-regulation capacity as well as moderate levels of psychological well-being thus it was hypothesized that physicians and resident physicians in the current study would have the same, that is, moderate to high levels of self-regulation capacity and moderate levels of psychological and affective well-being.
For the second objective, based on the findings of Gagnon and Durand-Bush (), it was hypothesized that psychological and affective well-being would significantly differ based on self-regulation capacity levels and the participants' status (i.e., physicians versus resident physicians). Specifically, it was anticipated that those reporting a high capacity to self-regulate would also have a higher level of psychological well-being (Ryff and Keyes, ) and positive affect, and a lower level of negative affect (Watson et al. ). Furthermore, given that the physicians in Gagnon and Durand-Bush's () study had significantly higher levels of well-being than medical students and given that previous studies have shown differences between physicians and resident physicians (Biaggi et al. ; Thomas ), it was hypothesized that physicians in the current study would have a significantly higher level of psychological well-being and positive affect and a lower level of negative affect than resident physicians who have less experience and expertise.
The convenience sample comprised 132 male and female Canadian physicians and resident physicians, who were recruited to also partake in a larger study on physician well-being and self-regulation capacity. All participants were required to be either currently practicing medicine or undergoing residency training. While no other delimitations were imposed, the demographics questionnaire revealed that there were twice as more resident physicians (n = 92) than physicians (n = 40), and there were more women (n = 86) than men (n = 46). Physicians had an average of 20 years (SD = 10.28) of experience, while resident physicians had 2.5 years (SD = 1.5). Finally, a range of medical specialties, 26 in total, were represented, the most common being family medicine (n = 34), internal medicine (n = 14), and obstetrics and gynecology (n = 10). Ethics approval for the use of human subjects was obtained through the ethics review board at the University of Ottawa, the institution where the research was conducted.
Data collection procedures
Provincial associations were contacted via the Canadian Medical Association to request that an e-mail invitation be sent to their members on behalf of the researchers. Seven of ten provinces responded to the call and agreed to do this. The invitation contained general information about the study, ethical procedures, and a web-link to access the questionnaires via a secure website. Further to distributing the recruitment e-mail, many provincial medical associations opted to also advertise the study on their website and in their newsletters. Participation was voluntary and involved responding to online questionnaires that assessed self-regulation capacity, psychological and affective well-being, as well as demographic variables. Before responding to the questionnaires, which took approximately 20 minutes, participants were prompted to review the detailed consent form and check a box to provide their informed consent. Although individual data were kept strictly confidential, responses were tracked using a study identification number assigned to each participant for potential participation in the subsequent qualitative phase of the study. The following section provides a brief description of the online questionnaires.
This questionnaire was used to describe the demographic characteristics of the sample, including sex, medical specialty, years of practice, province of practice, practice setting (urban or rural), and status (physician or resident physician).
Ryff and Keyes' () Scales of Psychological Well-Being (SPWB) was used to measure psychological well-being. The SPWB comprises six 14-item scales that evaluate psychological well-being across six dimensions: autonomy, environmental mastery, personal growth, positive relations with others, purpose in life, and self-acceptance. The 84 items are evaluated using a 6-point Likert scale ranging from strongly disagree to strongly agree, and generate six scale scores. Example items include: "My decisions are not usually influenced by what everyone else is doing" (autonomy), and "I enjoy making plans for the future and working to make them a reality" (purpose in life). The SPWB has sound psychometric properties and has been used as a comprehensive and reliable measure of well-being in several contexts, including health (e.g., Dukes-Holland and Holahan ) and vocational contexts (e.g., Strauser et al. ). All six scales have demonstrated excellent internal consistency, with Chronbach's alpha values of .93 (self-acceptance), .91 (positive relations with others), .90 (environmental mastery), .90 (purpose in life), .87 (personal growth), and .86 (autonomy) (Ryff ).
The Positive and Negative Affect Schedule (PANAS, Watson et al. ) was used to measure affective well-being. With 20 items divided into two 10-item subscales, it assesses how frequently respondents have been experiencing a variety of feelings reflecting positive and negative affect. For example, using a 5-point Likert scale (1 = never, 5 = always), respondents indicate, "To what extent [they] have felt upset during the past few days". Ratings for each subscale are summed, resulting in a total score out of 50 for each subscale. The PANAS has been established as a valid and reliable measure of affective well-being (Miller et al. ; Parker et al. ) in both health (Voogt et al. ) and vocational (e.g., Lent and Brown ) contexts. It has also demonstrated excellent internal consistency, with Chronbach's alpha values of .87 for both the positive and negative affect subscales (Watson et al. ).
In order to assess the participants' general self-regulation capacity (Brown ; Miller and Brown ), the short version of the Self-Regulation Questionnaire (SSRQ, Carey et al. ) was used. Emerging from the original Self-Regulation Questionnaire (SRQ, Brown et al. ), the SSRQ is a single factor, 31-item questionnaire scored on a 1 to 5 Likert scale ranging from strongly disagree to strongly agree, yielding a total self-regulation capacity score. An example item is, "I set goals for myself, and keep track of my progress". The SSRQ has been used to measure self-regulation capacity in relation to different health-related variables, from alcohol abuse (e.g., Hustad et al. 2009) to dispositional happiness (e.g., Okun et al. ). However nearly all studies to date have been based on undergraduate student populations. The SSRQ has demonstrated excellent internal consistency, with a Chronbach's alpha value of .92 (Carey et al. ).
The data from the online questionnaires were imported into SPSS Statistics Version 20 to verify the internal consistency coefficients of the scales and to compute descriptive statistics and multivariate analyses of variances (MANOVAs). Specifically, internal consistency coefficients were generated for each scale/subscale and an exploratory factor analysis was performed on the SSRQ since it was seldom used in health and vocational contexts. Two between-subject MANOVAs were conducted for the dependent variables of psychological and affective well-being, respectively, to determine whether or not psychological and affective well-being differed as a function of self-regulation capacity (i.e., high and low) and status (i.e., physician and resident physician).
Before conducting the MANOVAs, the SSRQ data was transformed into a categorical variable (i.e., high and low self-regulation capacity). Using a quintile split, the data was re-coded into two levels; high self-regulation capacity (n = 56; fourth and fifth quartiles), and low self-regulation capacity (n = 51; first and second quartiles), accounting for 42.4% and 38.6% of the data, respectively. Scores from the third quartile (n = 25) were discarded in order to adequately distinguish between high and low self-regulation capacity.
Based on Tabachnick and Fidell's () recommendations to determine sample size, an adequate number of participants were included in this study to conduct the MANOVAs as there were more cases in every cell than the number of dependent variables. Nevertheless, Pillai's Trace was used to report the multivariate tests in lieu of the more common Wilks' Lambda as it is more robust and preferred when cell sizes are unequal (Garson ).
Internal consistency and exploratory factor analysis
Descriptive statistics and Cronbach's alpha values for self-regulation capacity, psychological well-being, and affective well-being
Purpose in life
Positive relations with others
Although the SSRQ was the most conceptually relevant and psychometrically valid self-report measure available to assess general self-regulation capacity (Carey et al. ), it had seldom been used in a medical context prior to the current study. Therefore, an exploratory factor analysis (EFA) using a forced one-factor solution (principal component analysis extraction method) was conducted to verify if Carey et al.'s () 31-item single factor could be reproduced with this population. Using the same criterion as that in the original SSRQ psychometrics evaluation (Carey et al. ), items loading below .4 were removed over a six-step recursive process, at the end of which all items loaded above this value and additional item removal failed to increase the variance.
Of the original SSRQ items, 12 were dropped leaving 19 items with a total variance of 31.8% explained. Although the total variance explained was nearly 11% lower than the 43% reported by (Carey et al. ), it was decided that removing additional items would compromise the conceptual integrity of the original SSRQ (Carey et al. ). The Kaiser-Meyer-Olkin measure of sampling adequacy was .826, above the recommended > .500 (Cerny and Kaiser, ), and Bartlett's test of sphericity was significant (χ2 = 885.68, p < .001), indicating favorable factorability. Cronbach's alpha (.87) demonstrated favorable internal consistency, but was slightly lower than the .92 value found by Carey et al. () with the original 31-item SSRQ. The scores from the revised 19-item SSRQ (n = 132) fell within an acceptable normal distribution range (Skewness, -.099; Kurtosis, -.300). In light of the exploratory nature of this study, the lack of conceptually relevant tools measuring general self-regulation capacity, and the acceptable psychometric properties of the revised 19-item version of the SSRQ, the latter was used to assess the level of self-regulation capacity of physicians and resident physicians.
All data were normally distributed. Means, standard deviations, and Cronbach's alpha values (α) from the 19-item SSRQ (n = 132) (revised from Carey et al. ), the SPWB (n = 120) (Ryff and Keyes ), and the PANAS (n = 117) (Watson et al., ) are provided in Table 1.
It is likely that differences in the sample sizes are attributable to the temporal order in which the respondents were prompted to complete the three questionnaires. Some chose to exit the website without responding to the remaining questionnaire(s). Thus, while all participants in the study responded to the SSRQ (ordered first), twelve exited after completing the SPWB (ordered second) and omitted the PANAS (ordered third), and 15 only responded to the SSRQ, omitting both the SPWB and PANAS. No participants who exited the survey early asked to have their data withdrawn from the study.
Levels of self-regulation capacity and psychological and affective well-being
The SSRQ was evaluated using a possible total sum score varying from 19 to 95, wherein the higher the score, the higher the level of self-regulation capacity. Physicians (n = 40) reported a mean scale score of 69.73 (SD = 7.85) while resident physicians (n = 92) reported a mean scale score of 73.37 (SD = 8.79). One way to delimit high, moderate, and low self-regulation capacity was to adapt the cut-off scores reported by Brown et al. ()a. Based on these, 45% (n = 18) of physicians and 62% (n = 57) of resident physicians had a high level of self-regulation capacity. In contrast, 32% (n = 13) of physicians and 16.3% (n = 15) of resident physicians had moderate levels, and finally 22.5% (n = 9) of physicians and 21.7% (n = 20) of resident physicians reported low levels of self-regulation capacity.
With respect to psychological well-being, each individual PSWB scale was evaluated using a possible total sum score ranging from 14 to 84, whereby the higher the score, the higher the well-being for that specific dimension. Physicians (n = 38), on average, obtained the highest mean on purpose in life (M = 66.92; SD = 9.13) and personal growth (M = 68.66; SD = 8.43), and the lowest on environmental mastery (M = 61.42; SD = 10.20). On the other hand, resident physicians (n = 82) scored highest on purpose in life (M = 69.67; SD = 8.8) and personal growth (M = 68.89; SD = 7.2) like their physician colleagues, but they equally scored high on positive relations with others (M = 69.67; SD = 8.80). Like physicians, they scored the lowest on environmental mastery (M = 58.95; SD = 10.48) (see Table 1). Due to the lack of available norms or suggested ranges, psychological well-being was delimited using quartiles based on the SPWB minimum (14) and maximum (84) scoresb. Based on these parameters, both physicians and resident physicians had high levels on all dimensions of psychological well-being, with the exception of environmental mastery whereby resident physicians obtained a moderately high level that was just below the high level cut-off score.
In terms of affective well-being, the positive and negative affect subscale scores on the PANAS were each evaluated using a mean of the total possible sum scores ranging from 10 to 50. Physicians (n = 38) obtained a mean positive affect score of 33.84 (SD = 9.21) and a mean negative affect score of 16.58 (SD = 5.47). In comparison, resident physicians (n = 79) had a mean positive affect score of 33.48 (SD = 8.19), and a mean negative affect score of 18.59 (SD = 5.04). According to classification procedures adapted from Peeters et al. ()c, both physicians and resident physicians had moderate levels of both positive and negative affect.
Table 1 provides group descriptive statistics for the between-subjects MANOVAs, including status (i.e., physicians and resident physicians) and self-regulation capacity (i.e., high and low).
The 2 (self-regulation capacity) X 2 (status) between subjects MANOVA with the six SPWB scales as dependent variables tested the hypothesis that psychological well-being would differ as a function of self-regulation capacity. Results showed a significant main effect of self-regulation capacity F (6, 89) = 8.009, p < .001; Pillai's Trace = .351, partial η2 = .351, but not of status, F (6, 89) = .957, p = .459; Pillai's Trace = .061, partial η2 = .061. There was, however, an interaction effect between self-regulation capacity and status, F (6, 89) = 2.852, p < .014; Pillai's Trace = .161, partial η2 = .161. Given the significant between group differences of self-regulation capacity, and the interaction effect of self-regulation capacity and status, post-hoc univariate analyses were conducted.
First, between-subjects analyses for self-regulation capacity, using a Bonferroni adjustment of p < .0083, revealed that there were statistically significant univariate differences between high and low self-regulation capacity for all six scales of psychological well-being: autonomy, F (1, 94) = 8.764, p < .0083, η2 = .085; environmental mastery, F (1, 94) = 27.959, p < .0083, η2 = .229; personal growth, F (1, 94) = 17.917, p < .0083, η2 = .160; positive relations with others, F (1, 94) = 13.553, p < .0083, η2 = .126; purpose in life, F (1, 94) = 33.911, p < .0083, η2 = .265, and self-acceptance F(1, 94) = 10.832, p < .0083, η2 = .103. All η2 values indicated that self-regulation capacity had an effect size ranging from medium (e.g., .085; autonomy) to large (e.g., .265; purpose in life) (Cohen ) across the six scales of psychological well-being.
Follow-up, pairwise comparisons supported the initial hypothesis, revealing that physicians and resident physicians with high self-regulation capacity (n = 53) reported significantly higher levels of psychological well-being on all six scales than those with low self-regulation capacity (n = 45), at p < .0083: Personal growth (high, M = 71.60, SD = 6.67; low, M = 64.84, SD = 7.16); purpose in life (high, M = 73.43, SD = 6.54; low, M = 62.62, SD = 9.09); positive relations with others (high, M = 70.74, SD = 9.24; low, M = 61.80, SD = 10.95); self-acceptance (high, M = 69.36, SD = 9.59; low, M = 59.89, SD = 10.95); autonomy (high, M = 63.02, SD = 9.31; low, M = 56.27; SD = 6.77); and environmental mastery (high, M = 64.38, SD = 8.87; low, M = 53.53; SD = 9.63).
Pairwise comparisons revealed that high self-regulating resident physicians possessed significantly higher levels of self-acceptance (M = 70.56; SD = 8.61) than low-self-regulating resident physicians (M = 58.21; SD = 10.1), while by contrast, high self-regulating physicians had only slightly higher levels of self-acceptance (M = 65.25; SD = 11.91) than their low self-regulating counterparts (M = 62.65; SD = 12.02). Thus, based on the visual and pairwise comparison data, this suggests that the interaction of self-regulation capacity and status on self-acceptance appears to apply only to resident physicians. It is important to note that although significant at .05 (p = .035), this interaction must be interpreted with caution and more studies must confirm this before drawing valid conclusions.
A second, 2 (self-regulation capacity) X 2 (status) between subjects MANOVA with the two subscales of the PANAS (positive and negative affect) as dependent variables tested the hypothesis that affective well-being would differ as a function of self-regulation capacity and status. Specifically, it was hypothesized that physicians and resident physicians reporting a higher level of self-regulation capacity would have a higher level of positive affect and a lower level of negative affect. Results showed a significant main effect of self-regulation capacity (high, n = 45; low, n = 51), F (2, 91) = 4.802, p < .001; Pillai's Trace = .095, η2 = .095, but no significant main effect for status (physician, n = 29; resident physician, n = 67), F (2, 91) = 1.059, p = .351; Pillai's Trace = .023, η2 = .023. The interaction effect of self-regulation capacity and status was also non significant, F (2, 91) = 2.652, p = .076; Pillai's Trace = .055, η2 = .055. Although significant, the main effect of self-regulation capacity for affective well-being generated a relatively moderate effect size (.095) compared to the high effect size reported for psychological well-being (.351; based on an aggregate score of all six mean scale scores) (Cohen ).
Post-hoc, between-subjects analyses for self-regulation capacity, using a Bonferroni adjustment of p < .025, revealed that there were statistically significant univariate differences between high and low self-regulation capacity for the positive affect subscale, F (1, 92) = 9.458, p < .025, η2 = .093, but not for the negative affect subscale, F (1, 92) = 2.352, p = .129, η2 = .025. The relatively moderate effect size (Cohen ) suggests that 9.3% of the changes in positive affect can be accounted for by self-regulation capacity. Follow-up, pairwise comparisons revealed that physicians and resident physicians with a high level of self-regulation capacity reported significantly higher levels of positive affect (M = 36.75; SD = 7.98) than those with a lower level (M = 29.69; SD = 8.28), p < .05.
Data screening tests revealed that the assumption of homogeneity of covariance was upheld for each MANOVA, and Box's tests for equality of covariance matrices revealed no significant differences in variability between SSRQ scores and both the SPWB scale scores, F (63, 6309) = .808, p = .862, and the PANAS subscale scores, F (9, 16171) = .322, p = .968. Levene's Tests also showed homogeneity of variances (p > .05) for the SPWB and the PANAS.
The purpose of this study was to (a) assess the level of self-regulation capacity and psychological and affective well-being of physicians and resident physicians; and (b) determine if there were significant differences in psychological and affective well-being between physicians and resident physicians with high and low self-regulation capacity.
Levels of self-regulation capacity and psychological and affective well-being
With regards to the first objective, physicians and resident physicians reported moderate and high levels of self-regulation capacity, respectively (Brown et al. ). This suggests that both groups appear to be able to effectively manage themselves in their dynamic and demanding medical environment by enacting a network of processes such as goal setting and proactive planning, self-monitoring, and self-evaluation (Bandura ; Zimmerman ). These results are similar to those of Gagnon and Durand-Bush () who examined the self-regulation capacity of medical students and physicians. Given that effective self-management skills have been found to positively impact productivity and work performance, mental and physical health, and the quality of social relationships (Diener and Biswas-Diener ; Keyes and Waterman ), the current findings are promising.
Furthermore, self-regulation capacity involves the development of self-awareness and self-reflection, and studies in the medical context have demonstrated that nurturing such attributes can help physicians maintain a more satisfying balance between their professional and personal life (Novack et al. ). Moreover, self-care activities and effective coping skills are associated with lower levels of burnout (Eckleberry-Hunt et al. ). This is especially relevant for resident physicians given that the pressures of medical training are very high (Cohen and Patten ), and these individuals are also more likely to experience burnout compared to their trained physician counterparts (Leiter et al. ). Overall, with the consistently growing demands of the medical profession (Gautam ), it is not surprising that physicians and resident physicians possess reasonably effective self-regulation capacity and show adaptability in order to be able to fulfill their role as key health service providers.
At first glance, the high levels of psychological well-being reported by the physicians and resident physicians appear to contradict conventional wisdom and research showing that they experience a high prevalence of negative psychological outcomes such as burnout (Wallace and Lemaire ), stress and anxiety (Cohen and Patten ), and depression (Gardiner et al. ). However, it is important to emphasize that the present study focused on indicators of positive psychological functioning and not negative outcomes. Thus one cannot ascertain if the participants were experiencing a high level of well-being even in the presence of high anxiety and burnout symptoms (e.g., Keyes, ).
Like self-regulation capacity, there are few studies in the medical context that offer comparative data for psychological well-being. However, Gagnon and Durand-Bush () found similar results in that both physicians and medical students in their study reported moderate to moderately high levels of psychological well-being, with personal growth, positive relationships, and purpose in life generating the highest scores. Interestingly, the physicians and resident physicians in the current study also scored the highest on personal growth and purpose in life (relative to the other scales). According to Ryff and Keyes (), personal growth involves continued development, especially as it relates to increasing self-knowledge and effectiveness. Ongoing professional development such as learning how to determine personal needs and desired outcomes is an important part of medicine (Mann and Gelula ; Violato and Lockyer ). Furthermore, many medical licensing boards make it compulsory for their members to participate in continuing education programs in order to maintain their professional certification (Duffy and Holmboe ). As such, it is not particularly surprising that personal growth was rated as high among participants in the current study and that of Gagnon and Durand-Bush (). Participants also reported a strong sense of purpose in life, which is a key aspect of optimal functioning. This suggests that the physicians and resident physicians had goals and a sense of directedness, and they felt that there was meaning to their present and past life (Ryff and Keyes ). According to Devi (), individuals should choose a medical career based on personal values and aims, and it appears that those in the current study valued their work. Interestingly, value congruence has been shown to be a strong predictor of professional efficacy and lower levels of distress (Leiter et al. ). As such, there seems to be merit in nurturing a strong sense of purpose and values in physicians.
Although the physicians and resident physicians in this study reported high levels of autonomy and moderate to high levels of environmental mastery, these were lower relative to the other dimensions. Since environmental mastery is associated with a sense of competence in managing the activities within one's environment (Ryff and Keyes ), it is somewhat interesting that despite the years of intensive medical training that physicians undergo, they rated this dimension of psychological well-being as one of the lowest. A potential explanation could be that physicians today face consistently growing demands and pressures and perceive to have less control over their environment, the effect of which is compounded by decreasing personal and occupational resources (Gautam ).
The physicians and resident physicians reported moderate levels of both positive and negative affect. These findings are consistent with data from the general population (e.g., Foster et al. ) but inconsistent with some previous research suggesting there is a high prevalence of emotional distress among physicians (Ro et al. ). However, since the present study is the first known one to assess the affective well-being of physicians using the PANAS, more research is warranted to confirm this finding. It is important to develop a comprehensive understanding of the positive and negative affect levels of physicians as there are potentially serious consequences if physicians experience distress and emotionally disconnect themselves from their work (Meldrum ), one of which is burnout (Tyssen ).
Differences in psychological and affective well-being as a function of self-regulation capacity
Results of this study confirmed the hypothesis that high self-regulating physicians and resident physicians would have higher levels of psychological well-being and positive affect compared to those with lower levels of self-regulation capacity. These results are consistent with the literature on the concept of self-regulation and Gagnon and Durand-Bush () findings. Effective self-regulation leads to a range of positive well-being outcomes (Baumeister et al. ; Sanders and Mazzucchelli ), and interestingly, individuals with higher levels of well-being tend to adopt more positive self-care behaviours, and exhibit fewer maladaptive behaviours (Diener and Ryan ; Zimmerman ). Of interest, self-regulation capacity does not necessarily develop with maturation; it can and should be nurtured by external social agents (Zimmerman ). Simon and Durand-Bush () found that nurturing self-regulation capacity in medical students through a 17-week intervention was perceived to enhance performance and well-being. As such, it would be worthwhile to further investigate if and how the development of self-regulation skills can increase physician and resident physicians' well-being.
The finding that physicians and resident physicians with high levels of self-regulation capacity also reported higher levels of positive affect than their lower self-regulating colleagues emphasizes the role of emotions in the self-regulation process (Gross and Thompson ). For instance, emotions are thought to contribute to both successes and failures of self-regulation (Vohs and Baumeister ), and are essential for our continuing mental and physical health (Ochsner and Gross ). In the context of medicine, emotions are linked to physician well-being, especially with respect to negative outcomes such as anxiety (Ro et al. ). However, results of this study did not support the hypothesis that higher self-regulating individuals would have lower negative affect. Perhaps this is an indication that even though the physicians and resident physicians could self-manage, they still experienced some negative affect due to the demands and stressors they encountered in the profession. More research is required to confirm this finding.
Differences in psychological and affective well-being as a function of status
Although findings did not support the hypothesis that physicians would have significantly higher levels of psychological and affective well-being than resident physicians, there was tentative support for an interaction between self-regulation capacity and status for the self-acceptance dimension of psychological well-being. In other words, high self-regulating resident physicians possessed significantly higher levels of self-acceptance than their low-self-regulating counterparts, while high self-regulating physicians had only slightly higher levels of self-acceptance than their low self-regulating colleagues. The absence of overall differences between the two groups is not inconsistent with existing findings. For example, dysfunctional outcomes such as burnout (Bragard et al. ), stress (Daly and Willcock ), and anxiety (Michels et al. ) have not only been reported in physicians but also resident physicians. However, it is unclear as to why self-regulation capacity would have a higher impact on the self-acceptance of resident physicians. Self-acceptance is characterized by positive evaluations and a positive attitude toward oneself and past life experiences (Ryff and Keyes ). One possible explanation is that residents who can effectively manage their thoughts, feelings, and behaviors in their personal and professional life may be more inclined to accept the different roles they play and be more satisfied with themselves and their past experiences, even though they have less practice than physicians who have been in the field for a while. Conversely, more skilled physicians may need to rely less on their capacity to self-regulate in order to maintain positive self-evaluations and an overall sense of satisfaction with their life.
Although the results of this study offer unique insight into the role that self-regulation capacity may play in the well-being of physicians, there are several notable limitations. First, given the nature of self-reported data and the potential effect of social desirability, results must be interpreted with caution (McBurney ). Furthermore, even though most geographical regions of Canada were represented, participation rates were disproportionate and results should not be generalized to all physicians.
There are also limitations with respect to the measures used. First, the PANAS measured how participants felt over "the last few days" (Watson et al. ), whereas questions from the SSRQ (Carey et al. ) and the SPWB (Ryff and Keyes ) pertained to general perceptions of self-regulation capacity and psychological well-being over a longer period of time (e.g., weeks or months). Therefore, the fact that responses were based on different temporal periods makes it more difficult to compare results. Second, the SSRQ and SPWB could be considered as "trait" rather than "state" self-report measures. However, one could argue that self-regulation capacity and psychological well-being may be context specific, and the SSRQ and SPWB do not assess potential variations across contexts. An important step to advance research would be to explore the dynamic and contextual aspects of both self-regulation capacity and well-being and ensure that measures account for any potential variation. With respect to the SSRQ, although an EFA supported the 19-item version that was used for the analyses, further psychometric tests with this shorter version are advised. While the SSRQ was the most reliable and conceptually relevant measure available, the complex and dynamic nature of self-regulation capacity may warrant the development of a more comprehensive tool. Finally, the significant interaction between self-regulation capacity and status for the dimension of self-acceptance must be interpreted with caution as an unadjusted significance level (p < .05) was used to determine significance and the effect size was small (Cohen ).
In light of calls for research emphasizing the positive elements of physician well-being (Spickard ), the present study addressed an important gap in the literature. Building on the findings of Gagnon and Durand-Bush (), Sandars and Cleary (), and Simon and Durand-Bush (), results suggest that a deeper understanding of physicians' capacity to self-regulate could help uncover ways to help them achieve positive and healthy living (Shanafelt et al. ). Physicians and resident physicians in this study had moderate to high levels of self-regulation capacity. They also reported moderate to high levels of psychological and affective well-being. Of interest, high self-regulating physicians and resident physicians possessed higher levels of psychological well-being and positive affect compared to their low self-regulating colleagues, however, there were no differences with regards to negative affect.
As a fundamental capacity and important element of positive human functioning, self-regulation capacity has a profound impact on everyday living (Vohs and Baumeister ). Given the positive link between the participants' capacity to self-regulate and their levels of well-being, and the lack of significant differences between the levels of physicians and resident physicians, the present study suggests that developing or strengthening self-regulation competence could be a potential avenue to help both physicians and resident physicians become adaptive and resilient to the evolving demands of the medical profession (Remen ).
aMean scores greater than or equal to 71.5 represent high self-regulation capacity; mean scores between 71 and 65 reflect moderate capacity; and less than or equal to 64.5 scores show low self-regulation capacity
bHigh scores are those greater than 59.5; moderate-high scores are between 35 and 59.5; moderate-low scores are between 24.5 and 35; and low scores are lower than 24.5
cMean scores greater than or equal to 35 represent above average to very high positive affect, while mean scores between 32 and 34 represent average, and less than or equal to 31 reflect below average to very low positive affect. With respect to negative affect, mean scores greater than or equal to 31 represent above average to very high negative affect, while mean scores between 20 and 30 represent average, and less than or equal to 15 reflect below average to very low negative affect.
Scales of Psychological Well-Being
Positive and Negative Affect Schedule
Short-Form Self-Regulation Questionnaire
Statistical Product and Service Solutions
Multivariate Analysis of Variance
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