QuickStats: Reason for the Most Recent Colonoscopy, Among Adults Aged 50–75 Years Who Had a Test in the Past 10 Years — National Health Interview Survey,† United States, 2018

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• Based on the questions “When did you have your most recent colonoscopy?” and “What was the main reason you had this colonoscopy?” An estimated 60.6% of adults aged 50–75 years without a personal history of colorectal cancer had a colonoscopy in the past 10 years.

† Estimates are based on household interviews of a sample of the civilian, noninstitutionalized U.S. population and are derived from the National Health Interview Survey. Estimates are presented with 95% confidence intervals indicated by error bars. Persons with a personal history of colorectal cancer were excluded from these analyses.

In 2018, 60.6% of U.S. adults aged 50–75 years without a personal history of colorectal cancer had a colonoscopy in the past 10 years. Of these, 81.2% had their most recent colonoscopy as part of routine screening, 10.6% had their most recent colonoscopy because of a problem, 5.2% as a follow-up to an earlier test or screening exam, and 2.8% for some other reason.

Source: National Health Interview Survey, 2018. https://www.cdc.gov/nchs/nhis.htm.

Reported by: Tainya C. Clarke, PhD, wtv6@cdc.gov, 301-458 4155; Trevor D. Thompson; Susan A. Sabatino, MD; Jean A. Shapiro, PhD.

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