Table 4.

Multivariate correlates of registry function capability

		Diagnosis registry OR (95% CI)	Laboratory result registry OR (95% CI)	Medication registry OR (95% CI)
Practice Location
	Rural	0.95 (0.73 - 1.23)	1.08 (0.86 - 1.34)	1.32 (1.05 - 1.65)
	Urban	1 (Ref)	1 (Ref)	1 (Ref)
Practice Size
	≥ 6 physicians	1.09 (0.85 - 1.41)	0.92 (0.74 - 1.14)	1.10 (0.89 - 1.37)
	3 - 5 physicians	1.62 (1.29 - 2.03)	1.39 (1.16 - 1.68)	1.20 (1.00 - 1.44)
	1 - 2 physicians	1 (Ref)	1 (Ref)	1 (Ref)
Practice Ownership
	Full owner	1.28 (1.04 - 1.58)	0.71 (0.60 - 0.85)	0.65 (0.54 - 0.78)
	Part owner	1.19 (0.92 - 1.53)	0.53 (0.43 - 0.65)	0.71 (0.58 - 0.87)
	Non owner	1 (Ref)	1 (Ref)	1 (Ref)
Practice Involvement in Teaching
	Involved in teaching	1.42 (1.19 - 1.70)	0.98 (0.85 - 1.13)	1.08 (0.94 - 1.25)
	Not involved in teaching	1 (Ref)	1 (Ref)	1 (Ref)
Hospital Affiliation
	Hospital based practice	1.09 (0.85 - 1.39)	1.87 (1.52 - 2.30)	1.35 (1.10 - 1.66)
	Non-hospital-based practice	1 (Ref)	1 (Ref)	1 (Ref)
Practice Type
	Solo primary care practice	0.67 (0.47 - 0.96)	1.23 (0.92 - 1.65)	1.97 (1.46 - 2.66)
	Solo specialty care practice	0.84 (0.60 - 1.17)	0.90 (0.68 - 1.18)	1.78 (1.35 - 2.34)
	Primary care group/partnership	1.47 (1.07 - 2.02)	1.90 (1.50 - 2.42)	1.61 (1.26 - 2.04)
	Single specialty group/partnership	0.70 (0.54 - 0.91)	0.91 (0.74 - 1.13)	0.62 (0.50 - 0.77)
	Multi-specialty group/partnership	1 (Ref)	1 (Ref)	1 (Ref)
EHR Usage
	Yes	1.53 (1.25 - 1.86)	1.42 (1.22 - 1.66)	2.30 (1.96 - 2.70)
	No	1 (Ref)	1 (Ref)	1 (Ref)

OR = adjusted odds ratio; CI = confidence interval

Ref: Reference Category