Correlations Controlling for | ||||||||
---|---|---|---|---|---|---|---|---|
Characteristic | Bivariate Correlations | Physician Characteristics | Physician and Practice Characteristics | Physician Practice, and Office Characteristics | All Other Characteristics | |||
Compensation and Care Management | ||||||||
Salary compensation | −.18** | −.15** | −.16** | −.15** | −.16** | |||
Productivity bonus | −.17** | −.15** | −.12* | −.08 | −.06 | |||
Financial withhold for referrals | −.13** | −.07 | −.05 | −.03 | −.06 | |||
Percentage patients in HMOs | −.05 | −.02 | −.04 | −.09 | −.07 | |||
Office prior approval required to refer to specialist inside the office | −.00 | .04 | .05 | .04 | .03 | |||
Office prior approval required to refer to specialist outside the office | −.11* | −.05 | −.04 | −.04 | −.03 | |||
Office follows written referral guidelines | −.02 | .01 | .03 | .08 | .05 | |||
Office follows written clinical guidelines for treating specific conditions | −.00 | .01 | .01 | .09 | .05 | |||
Office Characteristics | ||||||||
Solo practice | .11* | .08 | .09 | .02 | ||||
Primary group | −.14** | −.14* | −.16** | .01 | ||||
Multispecialty group | .07 | .09 | .11 | .05 | ||||
Number of physicians | −.08 | −.14* | −.14* | −.24** | ||||
Private ownership | .15** | .14** | .13* | .05 | ||||
Easy to refer | .23** | .19** | .16** | .20** | ||||
Physician Practice Characteristics | ||||||||
Patient visits per hour | −.03 | −.05 | −.01 | |||||
Administrative hours per week | −.14** | −.13* | −.16** | |||||
Percentage patients referred per month | −.11* | −.05 | −.01 | |||||
Percentage female patients | −.09 | −.06 | −.08 | |||||
Percentage nonwhite patients | −.10* | −.04 | .04 | |||||
Percentage patients ≤18 years | −.02 | .01 | −.01 | |||||
Percentage patients ≥65 years | −.00 | −.00 | .03 | |||||
Percentage patients from middle- or upper-class households | .14** | .13* | .10 | |||||
Physician Characteristics | ||||||||
Female | −.13** | .00 | ||||||
White | .12* | .10 | ||||||
Family practice | .02 | .06 | ||||||
General practice | .01 | −.02 | ||||||
Board-certified | −.01 | .00 | ||||||
Years in practice | .12* | −.05 | ||||||
Tolerance for uncertainty | .15** | .16** |
* P < .05.
** P < .01