RESUMEN
BACKGROUND: Despite the known efficacy of colorectal cancer (CRC) screening, the rates of individuals undergoing such testing have remained lower than target thresholds, even prior to the healthcare disruptions associated with the COVID-19 pandemic. We evaluated the impact of the COVID-19 pandemic on CRC screening within a nationally representative US population and assessed disparities in screening across racial/ethnic groups and socioeconomic (SES) strata. METHODS: We performed a retrospective cross-sectional study using all eligible TRICARE beneficiaries aged 45-64 years between FY 2018 and 2021. High-risk individuals, those with a previous or current CRC diagnosis, and/or a personal/family history of colonic polyps, were excluded. The pre-COVID-19 period (September 1, 2018-March 31, 2020) was compared to the COVID-19 period (April 1, 2020-September 30, 2021). Secondary analyses were performed, evaluating the interaction between the COVID-19 time period, race, and our proxy for socioeconomic status. RESULTS: During the study period, we identified 1,749,688 eligible individuals. Following the onset of the COVID-19 pandemic, CRC screening overall decreased from 34% in the pre-pandemic period to 30% following the onset of the pandemic (p < 0.001). This finding persisted even after adjusting for confounders in multivariable analysis (odds ratio [OR] for the pandemic timeframe: 0.79; 95% CI: 0.27, 0.31; p < 0.001). In the setting of SES, in the pandemic period, the odds of individuals from both Senior Enlisted (OR: 0.55; 95% CI: 0.54, 0.56) and Junior Enlisted sponsor ranks (OR: 0.27; 95% CI: 0.25, 0.30) were diminished as compared to Senior Officers. CONCLUSIONS AND RELEVANCE: We found a 21% reduction in the odds of CRC screening in the context of the COVID-19 pandemic. Reductions in colonoscopies and other types of screening tests were not offset by changes in the use of at-home tests such as Cologuard.
RESUMEN
BACKGROUND: In the United States, breast cancer is the most commonly diagnosed cancer and second leading cause of cancer death in women. Early detection through mammogram screening is instrumental in reducing mortality and incidence of disease. The COVID-19 pandemic posed unprecedented challenges to the provision of care, including delays in preventive screenings. We examined trends in breast cancer screening during the COVID-19 pandemic in a universally insured national population and evaluated rates across racial groups and socioeconomic strata. METHODS: In this retrospective open cohort study, we used the Military Health System Data Repository to identify female TRICARE beneficiaries ages 40-64 at average risk for breast cancer between FY2018 and FY2022, broken down into prepandemic (September 1, 2018-February 28, 2020), early pandemic (March 1, 2020-September 30, 2020), and late pandemic periods (October 1, 2020-September 30, 2022). The primary outcome was receipt of breast cancer screening. RESULTS: Screening dropped 74% in the early pandemic period and 22% in the late pandemic period, compared with the prepandemic period. Compared with White women, Asian/Pacific Islander women were less likely to receive mammograms during the late pandemic period (0.92RR; 0.90-0.93 95%CI). American Indian/Alaska Native women remained less likely to receive screenings compared with White women during the early (0.87RR; 0.80-0.94 95% CI) and late pandemic (0.94RR, 0.91-0.98 95% CI). Black women had a higher likelihood of screenings during both the early pandemic (1.10RR; 1.08-1.12 95% CI) and late pandemic (1.12RR, 1.11-1.13 95% CI) periods compared with White women. During the early and late pandemic periods, disparities by rank persisted from prepandemic levels, with a decrease in likelihood of screenings across all sponsor ranks. CONCLUSION: Our results indicate the influence of race and socioeconomics on mammography screening during COVID-19. Targeted outreach and further evaluation of factors underpinning lower utilization in these populations are necessary to improve access to preventative services across the population.