Table 2.

Regression Results for Association Between PCP Relative Quality Performance Score (Rank of HEDIS score) and Physician Characteristics

	Composite	HbA1C	Att Nephrop	Appr. HTN	BSC 50–69	ACE ARB	Diuretic	Prop statin
	N = 4550	N = 2769	N = 3333	N = 103	N = 2383	N = 3443	N = 1719	N = 750
IV in final model	Adj mean	Adj mean	Adj mean	Adj mean	Adj mean	Adj mean	Adj mean	Adj mean
Physician age
35 years	60	55	59	45	52	60	58	47
40 years	58	54	57	46	51	58	57	47
50 years	55	52	53	50	51	53	54	48
60 years	52	50	49	53	50	48	50	50
70 years	48	48	45	56	49	44	47	51
75 years	47	47	43	58	49	42	46	51
	p < .001	p < .001	p < .001	p = .32	p = .20	p < .001	p < .001	p = .36
Specialty
Family	51	51	51	51	46	47	49	49
Internal	54	51	49	53	54	53	54	49
	p < .001	p = .97	p = .06	p = .67	p < .001	p < .001	p < .001	p = .78
Affiliation
Solo	50	48	46	50	46	49	51	48
Group	55	54	54	54	54	51	53	51
Solo + group	48	45	45	49	42	47	48	45
	p < .001	p < .001	p < .001	p = .76	p < .001	p < .001	p = .06	p = .08
Region (CA)
Bay area	51	49	51	66	49	42	51	55
Central/north	47	45	43	44	49	44	43	50
Southern CA	58	55	55	53	51	57	59	46
	p < .001	p < .001	p < .001	p = .05	p = .07	p < .001	p < .001	p = .02
ACA exchange
Yes	51	48	49	54	51	49	52	49
No	53	51	50	51	50	50	51	49
	p = .09	p = .01	p = .26	p = .76	p = .35	p = .35	p = .75	p = .92

*p values based on the Wald t test or overall F test for significance of variable in model