Table 2. Multivariable Linear Regression Showing Personal and Professional Factors as Independent Variables Associated With Work-Life Integrationa.
| Variable | Coefficient (SE) | P value | Overall P valueb |
|---|---|---|---|
| Intercept | 75 (2.0) | <.001 | |
| Gender (vs man) | 0 | NA | |
| Woman | −6 (0.7) | <.001 | <.001 |
| Other | −20 (6.8) | .003 | |
| Age (vs <35), y | 0 | NA | |
| 35-44 | −7 (1.4) | <.001 | <.001 |
| 45-54 | −8 (1.7) | <.001 | |
| 55-64 | −8 (2.0) | <.001 | |
| ≥65 | −7 (2.5) | .008 | |
| Relationship status (vs married) | 0 | NA | |
| Single | −3 (1.1) | .003 | .02 |
| Partnered | −3 (1.6) | .09 | |
| Widow/widower | 0 (3.0) | .91 | |
| Youngest child’s age (vs no children), y | 0 | NA | |
| <5 | 0 (1.2) | .91 | .81 |
| 5-12 | −1 (1.2) | .44 | |
| 13-18 | −1 (1.3) | .42 | |
| 19-22 | −1 (1.5) | .58 | |
| ≥23 | 0 (1.3) | .74 | |
| Years in practice (per 10 y) | 2 (1.0) | .001 | |
| Specialty (vs internal medicine subspecialty) | 0 | NA | |
| Emergency medicine | −18 (1.6) | <.001 | <.001 |
| Urology | −11 (4.0) | .009 | |
| General surgery | −4 (2.0) | .04 | |
| Preventive medicine/occupational medicine | −4 (4.4) | .35 | |
| Anesthesiology | −4 (1.7) | .03 | |
| Family medicine | −3 (1.4) | .04 | |
| Physical medicine and rehabilitation | −3 (2.2) | .18 | |
| General surgery subspecialty | −3 (1.4) | .06 | |
| Otolaryngology | −2 (3.5) | .56 | |
| Obstetrics and gynecology | −2 (1.9) | .40 | |
| Orthopedic surgery | −1 (1.6) | .45 | |
| Radiation oncology | −1 (3.5) | .80 | |
| Radiology | −1 (1.8) | .64 | |
| Neurosurgery | 0 (3.0) | .91 | |
| General internal medicine | 0 (1.4) | .84 | |
| Neurology | 0 (1.8) | .94 | |
| Psychiatry | 1 (1.4) | .45 | |
| General pediatrics | 2 (1.7) | .34 | |
| Pediatric subspecialty | 2 (1.8) | .34 | |
| Dermatology | 2 (2.1) | .29 | |
| Pathology | 3 (2.1) | .15 | |
| Ophthalmology | 3 (2.0) | .13 | |
| Other | −2 (2.1) | .42 | |
| Missing | 1 (3.6) | .77 | |
| Practice setting (vs private practice) | 0 | NA | |
| Academic medical center | 0 (0.8) | .60 | .047 |
| Veteran’s hospital | −1 (2.2) | .74 | |
| Active military practice | 1 (3.0) | .78 | |
| Hours worked per week (vs <40 h) | 0 | NA | |
| 40-49 | −2 (1.0) | .09 | <.001 |
| 50-59 | −9 (1.0) | <.001 | |
| 60-69 | −16 (1.1) | <.001 | |
| 70-79 | −22 (1.4) | <.001 | |
| ≥80 | −27 (1.5) | <.001 | |
| Call nights per week (per night) | −1 (0.2) | <.001 |
Abbreviation: NA, not applicable.
a
N = 4370 respondents. Dependent variable is work-life integration score (0-100 point scale). Estimates via multivariable linear regression with all covariates shown.
b
Overall P-values for categorical variables via Wald test.