Table 3.

Descriptive Characteristics of Enrolled versus Not Enrolled Clinics

	Enrolled (n=201) Mean (SD)	Non-enrolled (n=447) Mean (SD)	p-Value
Structure
Size (number of publicly-funded patients at baseline)	391 (381)	297 (246)	0.001
Clinic accreditation	39.5%	39.1%	0.936
Private ownership	81.5%	84.3%	0.379
Patient population
Percent of male patients	65 (11)	67 (13)	0.094
Percent of African American patients	13 (16)	18 (23)	0.001
Percent of patients referred by the criminal justice department	44 (21)	46 (23)	0.135
Geographic Location
Rural/urban			0.157
1 Urban	82.6%	81.9%
2 Suburban	8.2%	5.1%
3 Rural	9.2%	13%