Related Experiment Video
Updated: Aug 2, 2026

E-Patient Counseling Trial (E-PACO): Computer Based Education versus Nurse Counseling for Patients to Prepare for Colonoscopy
Published on: August 1, 2019
Colorectal cancer-screening tests and associated health behaviors
J A Shapiro1, L C Seeff, M R Nadel
1Division of Cancer Prevention and Control, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia 30341-3717, USA.
Colorectal cancer screening rates using fecal occult blood testing (FOBT) and sigmoidoscopy remain low across all demographic groups. Increased awareness of screening importance is crucial for reducing cancer mortality.
Area of Science:
- Public Health
- Preventive Medicine
- Cancer Screening
Background:
- Colorectal cancer screening significantly reduces mortality.
- Understanding current screening rates and disparities is essential for public health initiatives.
- Fecal occult blood testing (FOBT) and sigmoidoscopy are key screening methods.
Purpose of the Study:
- To determine the rates of fecal occult blood testing (FOBT) and sigmoidoscopy use in the U.S. population.
- To identify demographic factors and health behaviors associated with screening test utilization.
- To assess the overall uptake of colorectal cancer screening methods.
Main Methods:
- Analysis of national survey data from the 1997 Behavioral Risk Factor Surveillance System (BRFSS).
- Inclusion of 52,754 respondents aged 50 years and older.
- Questionnaires assessed the use of FOBT and sigmoidoscopy.
Main Results:
- Reported screening rates were 19.8% for FOBT (past year) and 30.5% for sigmoidoscopy (past 5 years).
- Individuals with other screening tests (mammography, Pap smear, cholesterol check) showed higher colorectal cancer screening rates.
- Screening rates varied by other health behaviors and demographic factors, but remained low overall.
Conclusions:
- Despite higher rates among those with healthy behaviors, colorectal cancer screening utilization remains low across all subgroups.
- There is a critical need to enhance public awareness regarding the importance of colorectal cancer screening.
- Low screening rates highlight a gap in preventive care for a major cancer.
Related Concept Videos
Cancer Prevention
Some...
Preventive Healthcare Services
Assessment of the Rectum and Anus
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Inflammatory Bowel Disease III: Diagnostic Studies and Management I-Nutritional Therapy
Diagnostic studies
A colonoscopy is the definitive screening test, distinguishing ulcerative colitis from other colon diseases with similar symptoms. During a colonoscopy test, inflamed mucosa with exudate ulcerations can be observed, and biopsies are taken to determine the histologic characteristics of the colonic...
Serum Laboratory Studies, Stool Test, Breath Test
Endoscopic Procedures II: Colonoscopy

