Table 4.2. Distribution of Study Participant Population by Patient and Practice Characteristics Health Care Systems for Tracking Colorectal Cancer Screening Tests CharacteristicsCard InterventionKit InterventionControlN%aAdj % bN%Adj %N%Adj %Total population7,495100.0—470100.0—2,662100.0—Patient CharacteristicsGenderMale3,19442.644.320142.849.41,19144.744.7Female4,02153.755.720643.850.61,47155.355.3Unknown2803.7—6313.4—00.0—Age50-541,94526.026.015432.832.892734.835.155-643,19042.642.617938.138.11,06740.140.465-6994712.612.65211.111.128610.710.870-791,41118.818.88518.118.136313.613.7Unknown20.0—00.0—190.7—InsuranceCommercial and other4,34658.062.826656.674.3———Medicare2,00326.728.98017.022.3———Self/Medicaid5757.78.3122.63.4———Unknown5717.6—11223.8—2,662100.0—Practice CharacteristicsPractice affiliationClinic1,41618.9—00.0—93034.9—Independent3674.9—6213.2—351.3—LVPG5,64575.3—40886.8—1,64661.8—MATLV670.9—00.0—511.9—SpecialtyFamily medicine6,70189.4—470100.0—1,69763.7—General internal medicine79410.6—00.0—96536.3—SizeLarge4,62461.7—6213.2—1,01638.2—Small2,87138.3—40886.8—1,64661.8—LocationRural3,05740.8—40886.8—89833.7—Suburban2,65935.5—6213.2—83431.3—Urban1,77923.7—00.0—93034.9—a. Some percentages do not add to 100 due to rounding. b. Percentages adjusted for missing data.Return to Document Current as of December 2010 Internet Citation: Table 4.2. Distribution of Study Participant Population by Patient and Practice Characteristics: Health Care Systems for Tracking Colorectal Cancer Screening Tests. December 2010. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/final-reports/crcscreeningrpt/crcscreentab4-2.html