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1 Department of Family Medicine, University of Wisconsin, Madison, Wis
2 Department of Industrial Engineering, and Systems Engineering Initiative in Patient Safety (SEIPS), University of Wisconsin, Madison, Wis
3 Department of Orthopedics and Rehabilitation, University of Wisconsin, Madison, Wis
4 Georgia Institute of Technology, Atlanta, Ga
CORRESPONDING AUTHOR: John W. Beasley, MD, Department of Family Medicine, University of Wisconsin, 777 S Mills St, Madison, WI 53521, john.beasley{at}fammed.wisc.edu
| ABSTRACT |
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METHODS We conducted a cross-sectional survey of the 1,482 active members of the Wisconsin Academy of Family Physicians in 2000.
RESULTS A 47% overall response rate was obtained, and 584 respondents could be identified as independent or employed by a health care organization. There were no differences in age or sex between the 2 groups. The independent physicians worked longer hours, were in smaller work groups, and had been in practice longer and in their current practice longer than the employed physicians. Independent physicians reported better working relationships, more satisfaction with family time, more influence over management decisions, better satisfaction with being a physician, better perceived quality of the care they provided, greater ability to achieve professional goals, and lesser intention to leave the practice.
CONCLUSIONS Independent physicians have significantly more positive ratings of several aspects of the quality of their work life compared with physicians employed by health care organizations. Health care organizations need to address these issues if they are to have a satisfied and stable workforce.
Key Words: Physicians, family job satisfaction primary care health care economics and organizations managed care programs health care delivery/health services research practice-based research
| INTRODUCTION |
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Our hypothesis was that independent physicians would report a generally higher QOWL than their HCO-employed counterparts. An awareness of potential problems with the quality of physician work life can help physicians and administrators in HCOs take steps to improve the QOWL for their employed physicians.
| METHODS |
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Study Groups
For analysis, we grouped the physicians who were solo family physicians and members of smaller independent groups (groups not owned by a larger parent organization) into a single groupthe independent group. In general, members of this group ranged from solo family physicians (very few) to independent groups of up to roughly 20 physicians. We then grouped those physicians who reported having a parent organization, such as a managed care organization, a large multispecialty group, or a hospital, into a single groupthe HCO-employed group. This group included family physicianonly groups and single physician offices that were owned and managed by larger HCOs. Physicians working in academic teaching practices were included in the HCO group as well. We defined the work group as "the group of physicians you work with on a daily basisgenerally, that is the people with whom you share call."
Questionnaire
The questionnaire was developed using questions from the literature and from telephone focus groups of both family physicians and their clinical assistants. The questionnaire included a total of 77 content questions (for which responses were given on Likert scales with 5 points, excepting the scale for intention to leave, which had 7 points) plus 12 demographic questions. Space was provided for open-ended comments.
On the basis of the literature and concerns of the focus groups, we selected 13 questions in 3 categories for analysis.
Four questions addressed work satisfaction issues:
The following 5 questions addressed practice issues:
The following 4 questions addressed outcomes:
Statistical Analyses
We conducted statistical analysis with SPSS software version 11.5 (SPSS Inc, Chicago, Ill). To compare the 2 groups on demographic variables, we used the 
2 test for dichotomous variables (eg, sex), and we used the independent sample t test with equal variance not assumed to compare means.
Three separate multivariate analyses of covariance (MANCOVAs) were used to examine whether independent physicians differed from physicians working for HCOs on the 13 study variables. The single independent variable for the 3 MANCOVAs was health care organization, which had 2 levels: independent or HCO. The 5 covariates in each of the 3 equations were age, sex, ethnicity, hours worked per week, and years at current practice. Although the groups differed significantly in years in practice overall, this measure was highly correlated with years in current practice, so only the latter was retained. The 3 groups of dependent QOWL variables were work satisfaction issues (4 variables), practice issues (5 variables), and outcomes (4 variables). The Box M test was used to assess homogeneity of covariance matrices. To further protect against type I error, if the omnibus F test for the MANCOVA was significant, it was followed by univariate F tests of the individual dependent variables with Bonferroni correction, after correction for the covariates.
The total N of 584 classified respondents (78 independents, 506 HCOs) was reduced in each of the 3 MANCOVAs (work satisfaction issues, practice issues, and outcomes) to 442 (55/387), 468 (63/405), and 451 (58/393), respectively, because of missing data. Multivariate normality was not directly assessed, as the sample size in both groups far exceeded 20, the minimum typically required for robust MANOVA in the case of violations of multivariate normality. The Box M test indicated violations of homogeneity of variance-covariance matrices for the work satisfaction and outcomes dependent variables, but not for the practice issue dependent variables. Inspection of the variances between the HCO-employed and independent groups for each dependent variable, however, showed that no ratios exceeded even 2:1, so the use of MAN-COVA was not invalidated and the analysis proceeded as planned.13
| RESULTS |
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The physicians level of satisfaction with being a physician was quite high; 83.5% of respondents were either satisfied or very satisfied with their occupation.
On classification, 78 (13%) of respondents were in the independent group and 506 (87%) were in the HCO-employed group. Fewer than 5% listed themselves as being in solo practice; in fact, some who did were, as noted above, really physicians employed by HCOs. These physicians were included in the HCO group.
Comparison of Independent and HCO-Employed Respondents
Table 1
shows a comparison of the independent and HCO-employed physician groups. There were non-significant differences between groups for sex and age. There were significant differences for number of hours worked per week, number of individuals in the work group, years in practice, and years in the present practice. The independents worked more hours per week in smaller work groups and had been in practice longer and in their present practice longer.
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was significant (F4,432 = 3.99, P = .003). Subsequent univariate tests for each dependent variable, with Bonferroni correction, showed that the dependent variable "satisfaction with working relationships among the physicians in your work group" differed significantly between independent and HCO-employed family physicians (F1,435 = 8.93, P = .003), with independents having more satisfaction (adjusted mean = 3.22, SE = 0.14) than HCO physicians (adjusted mean = 2.78, SE = 0.05). Also, the dependent variable "satisfaction with the amount of family time you have" differed significantly between groups (F1,435 = 7.37, P = .007), with independents having more satisfaction with family time (adjusted mean = 2.53, SE = 0.14) than their HCO-employed counterparts (adjusted mean = 2.13, SE = 0.05).
Practice Issues
For the practice issues dependent QOWL variables, the Wilks
was significant (F5,457 = 12.34, P <.001). Subsequent univariate tests for each dependent variable, with Bonferroni correction, showed that only the dependent variable "ability to influence management decisions that affect your practice" differed significantly between independents and HCO physicians (F1,461 = 58.88, P <.001), with independents having more ability to influence such decisions (adjusted mean = 3.12, SE = 0.14) than HCO physicians (adjusted mean = 1.94, SE = 0.06).
Outcomes
For the outcomes dependent QOWL variables, the Wilks
was significant (F4,441 = 5.48, P <.001). Subsequent univariate tests for each dependent variable, with Bonferroni correction, showed that all 4 of the dependent variables differed significantly between groups. The dependent variable "satisfaction with being a physician" was significantly different between groups (F1,444 = 3.86, P = .05), with independents having greater satisfaction (adjusted mean = 3.50, SE = 0.12) than HCO-employed physicians (adjusted mean = 3.24, SE = 0.05). The dependent variable "How would you rate the overall quality of medical care you are able to provide?" differed significantly between groups (F1,444 = 13.68, P <.001), with independents rating their quality of care higher (adjusted mean = 3.34, SE = 0.08) than HCO physicians (adjusted mean = 3.01, SE = 0.03). The dependent variable "Are you able to achieve your overall professional goals within your current practice situation?" also differed significantly (F1,444 = 16.32, P <.001), with independents rating their ability to achieve their professional goals higher (adjusted mean = 3.01, SE = 0.13) than HCO physicians (adjusted mean = 2.44, SE = 0.05). The dependent variable "I plan to leave my work group in the near future" was significantly different (F1,444 = 3.85, P = .05), with independents indicating that they were less likely to plan to leave (adjusted mean = 1.73, SE = 0.24) than HCO physicians (adjusted mean = 2.24, SE = 0.09).
Comments by Independent and HCO-Employed Respondents
A total of 120 physicians who could be categorized as either independent or HCO-employed physicians used the "Comments" section of the questionnaire. These physicians did not differ significantly from those who did not make comments in level of satisfaction with being a physician (3.3 vs 3.2, P = .14), perceived quality of care (3.1 vs 3.0, P = .64), and ability to achieve professional goals (2.5 vs 2.4, P = .23), but those providing comments were more likely to agree with the statement "I intend to leave my work group" (2.6 vs 2.1, P = .01, where higher values reflect greater intention to leave).
Physicians often commented on satisfaction being related to having autonomy over their work life and being able to care for patients as they were trained to. Meaningful relationships with colleagues and patients added to satisfaction. Dissatisfaction was expressed over decreasing compensation despite seeing more patients, loss of autonomy over work life decisions, emphasis on productivity, overwhelming paperwork, documentation requirements, patient care decisions being made by business people, and time away from family. The number of comments expressing dissatisfaction greatly outnumbered those expressing satisfaction.
Table 3
contains some quotes from these doctors as they relate specifically to their independent or HCO-employed status. Comments relating to paperwork, payment problems, and other general issues, which did not differ substantively between independent and HCO-employed physicians, are not quoted here.
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| DISCUSSION |
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The QOWL of physicians is important for HCOs as the cost of replacing a physician is about $250,000.19 There is considerable evidence of a relationship between the QOWL for physicians and other health care professionals, and patient care variables.2027
Linzer and colleagues28 have applied the demand-control-support model to analyze physician stress and performance. This model suggests that the tendency to burn out generated by high demands can be balanced by greater levels of job control and social support, at least within limits. In our study, the largest difference between the independent and HCO-employed respondents was in the level of influence over management decisions, where the HCO-employed physicians perceived that they had a much lower level of control. The second largest difference between the independents and the HCO-employed physicians among workplace satisfaction variables was in the working relationships in the group. These factors taken together suggest that physicians employed by HCOs are lacking both in control and in social support relative to their independent colleagues.
Our findings regarding outcome measures are cause for concern as more physicians move into employed status. Physicians employed by HCOs rated the quality of care they could provide as lower, were less able to achieve their professional goals, and were more likely to intend to leave their work group. Whether these physicians subjective measures translate into an actual lower quality of care or greater likelihood of leaving the practice cannot be determined from this study, but the literature cited above certainly suggests a relationship between the physicians reports and reality. The weight of the evidence suggests that if HCOs take steps to improve the QOWL of their physicians, they can anticipate improved care, greater patient satisfaction, and decreased physician turnover. Existing guidelines outline how various employment factors can be modified to create healthier, more efficient organizations.27
There are several limitations to this study. Although the respondents were representative of Wisconsin family physicians generally, there could have been response bias between the independent and the HCO-employed groups. In addition, the definition of independent vs HCO-employed was somewhat arbitrary. Some HCOs are physician owned and operated; others are not. Some independent groups were quite large, whereas some HCO physicians actually had very small work groups. In addition, the degree of control by the HCO could be very different in, for example, a rural satellite clinic vs the main facility. Finally, the division of the variables into somewhat arbitrary definitions of work satisfaction issues, practice issues, and outcomes suggests a degree of causality that may not be present. Future work will explore the relationship between the practice variables in various HCOs that influence physicians and the outcomes for the physicians QOWL.
Independent physicians have more positive ratings for their relationships within the work group, the amount of family time, their influence over management decisions, their overall satisfaction with being a physician, their perceived quality of care, and their ability to achieve their professional goals. In addition, they state a lesser intention to leave the practice than physicians employed by HCOs.
Physicians employed by HCOs face substantial problems relative to independent physicians. Problems such as the lack of input into management decisions affecting practice and the apparent suboptimal relationships between physicians in the work group can be resolved or mitigated. HCOs can have a more satisfied, effective, and stable workforce if they address these problems. These issues will become increasingly important as the trend toward more physicians working as employees of HCOs continues.
| ACKNOWLEDGMENTS |
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| FOOTNOTES |
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Funding support: This study was funded by the Center for Quality and Productivity Improvement, the Wisconsin Academy of Family Physicians, and its research arm at that time, the Wisconsin Research Network (WReN).
Received for publication July 22, 2004. Revision received April 24, 2005. Accepted for publication May 18, 2005.
| REFERENCES |
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