Predictors of Colorectal Cancer Screening Modality Among Newly Age-Eligible Medicaid Enrollees

Cynthia M. Mojica, Bonnie Lind, Yifan Gu, Gloria D. Coronado, Melinda M. Davis

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: This study examines individual- and practice-level predictors of screening modality among 1,484 Medicaid enrollees who initiated colorectal cancer screening (fecal immunochemical test/fecal occult blood tests or colonoscopy) within a year of turning age 50 years. Understanding screening modality patterns for patients and health systems can help optimize colorectal cancer screening initiatives that will lead to high screening completion rates. Methods: Multivariable logistic regression was conducted in 2019 to analyze Medicaid claims data (January 2013–June 2015) to explore predictors of colonoscopy screening (versus fecal testing). Results: Overall, 64% of enrollees received a colonoscopy and 36% received a fecal immunochemical test/fecal occult blood test. Male (OR=1.21, 95% CI=1.08, 1.37) compared with female enrollees and those with 4–6 (OR=1.57, 95% CI=1.15, 2.15), 7–10 (OR=2.23, 95% CI=1.64, 3.03), and ≥11 (OR=1.79, 95% CI=1.22, 2.65) primary care visits compared with 0–3 visits had higher odds of colonoscopy screening. Non-White, non-Hispanic enrollees (OR=0.71, 95% CI=0.58, 0.87) compared with White, non-Hispanics Whites had lower odds of colonoscopy screening. Practices with an endoscopy facility within their ZIP code (OR=1.50, 95% CI=1.08, 2.08) compared with practices without a nearby endoscopy facility had higher odds of colonoscopy screening. Conclusions: Among newly age-eligible Medicaid enrollees who received colorectal cancer screening, non-White, non-Hispanic individuals were less likely and male enrollees and those with ≥4 primary care visits were more likely to undergo colonoscopy versus fecal immunochemical test/fecal occult blood test. Colonoscopy also was the more common modality among adults whose primary care clinic had an endoscopy facility in the same ZIP code. Future research is needed to fully understand patient, provider, and practice preferences regarding screening modality.

Original languageEnglish (US)
Pages (from-to)72-79
Number of pages8
JournalAmerican journal of preventive medicine
Volume60
Issue number1
DOIs
StatePublished - Jan 2021

ASJC Scopus subject areas

  • Epidemiology
  • Public Health, Environmental and Occupational Health

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