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A population-based study of predictors of colorectal cancer screening in a high-risk population

Ilene S. Prokup, MS, APRN, BC and Samuel M. Lesko, MD, MPH. Northeast Regional Cancer Institute, University of Scranton Campus, Scranton, PA 18510-4501, 570-941-7984, prokupi2@scranton.edu

Colorectal cancer (CRC) is the second leading cause of cancer death in the U.S. Despite evidence that CRC screening can reduce mortality, screening rates remain low. In the 6-county area of Northeast Pennsylvania, incidence and mortality are significantly higher than state and national rates. We sought to identify factors associated with screening in this high-risk population. We conducted a case-control analysis of CRC screening in a population-based study of 819 adults 50+ years of age with no personal history of CRC. Self-reported history of CRC screening was obtained by telephone interview using random digit dialing. Cases were defined as those having had an endoscopy (sigmoidoscopy or colonoscopy) within 5 years (N=261). Controls were subjects who reported endoscopy more than 5 years previously or never. We used logistic regression to study the relationship between endoscopy and the following variables: age, sex, marital status, education, place of residence, occupation, body mass index, exercise, smoking, alcohol use, personal history of cancer, family history of cancer, other cancer screenings, and other health screenings. The following were associated with recent endoscopy screening: male sex (adjusted Odds Ratio 1.7, 95% Confidence Interval 1.2-2.4), personal history of cancer (OR 1.8, 95%CI 1.2-2.7), family history of cancer (OR 1.7, 95%CI 1.2-2.4), other cancer screenings (OR 2.2, 95%CI 1.4-3.3), and other screenings (OR 2.5, 95%CI 1.2-5.3). The data suggest that being male, having a personal and family history of cancer, and being current with cancer and other health screenings predict screening for colorectal cancer with endoscopy.

Learning Objectives:

Keywords: Cancer Screening, Community Health Assessment

Presenting author's disclosure statement:
Organization/institution whose products or services will be discussed: off label/investigational usage of products - none
I do not have any significant financial interest/arrangement or affiliation with any organization/institution whose products or services are being discussed in this session.

Measuring Health and Disease in the Population I

The 132nd Annual Meeting (November 6-10, 2004) of APHA