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Percentage reporting ever receiving a health care provider recommendation for colonoscopy or sigmoidoscopy, by survey year and race, Maryland Cancer Survey 2002, 2004, 2006, and 2008. p-values derived from Chi-square test on comparison between races for each survey year. p-value for interaction between race and survey year in unadjusted model of reporting recommendations for colonoscopy/sigmoidoscopy was 0.55.
