Table 1.

Health center characteristics

Patients eligible for screening at health center level*	Mean (range)
Breast	849 (86 to 3305)
Cervical	1,556 (131 to 5,195)
Colorectal	549 (82 to 3466)
Number of months reporting any registry data*	17 (12 to 18)
Number of providers (physicians, nurse practitioners, physician assistants)**	52 (7 to 205)
Number of nurses (registered nurses, licensed practical nurses)**	34 (1 to 103)
Region of health centers***	Number (proportion)
Northeast	3 (19%)
Midwest	4 (25%)
South	7 (44%)
West	2 (13%)

*obtained from practice registry software

**obtained from survey of health center financial officers

***per U.S. census region categories