Geographic and Temporal Patterns of Screening for Breast, Cervical, and Colorectal Cancer in the US, 1997-2019

How did geographic patterns of county-level cancer screening prevalence for breast, cervical, and colorectal cancer change from 1997 to 2019 in the US, and what sociodemographic factors were associated with screening clusters and trends?This cross-sectional study using data from 3142 counties from 1997 to 2019 found persistent geographic clusters, such as high screening prevalence in Northeast and lower prevalence in Southwest. Socioeconomic disadvantage was correlated with clusters of persistently low screening prevalence but also with some areas that increased screening prevalence over time.This cross-sectional study found that despite overall screening increases, some clusters of low screening persisted and were associated with socioeconomic disadvantage.

Corresponding Author: Timothy R. Rebbeck, PhD, Division of Population Sciences, Dana-Farber Cancer Institute, 450 Brookline Ave, 1101 Dana, Boston, MA 02215 (timothy_rebbeck@dfci.harvard.edu).

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