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Trends in Eligibility and Geographic Variations in Breast Cancer Screening Participation Among Underserved Women in
Patricia Da Rosa1, Hossein Moradi Rekabdarkolaee2, Lori Koenecke3
1Population Health Evaluation Center, College of Nursing, South Dakota State University.
Introduction:
Breast cancer is the most common cancer among women and early detection is critical to improve breast cancer survival. The All Women Count! (AWC!) Program, part of the National Breast and Cervical Cancer Early Detection Program, provides breast and cervical screening services at no cost to underserved women in South Dakota. Aiming to investigate program participation, we examined trends in the number of women eligible for breast cancer screening services through the AWC! Program along with mammography screening participation by county.
Methods:
Using the State-level Small Area Health Insurances Estimates data and the AWC! data, we calculated the proportion of South Dakotan women eligible for mammography screening under the AWC! Program from 2016 to 2019, and calculated the standardized participation ratio and 95 percent confidence interval by county (2019). To investigate differences in screening participation over time and by counties, analysis of variance (ANOVA) and Tukey statistical test were conducted, respectively.
Results:
From 2016 to 2019, the number of women eligible for breast cancer screening services declined by 12 percent. Differences in screening participation were not statistically significant over the four-year period. Conversely, county-level variations in screening participation were found. In 2019, among the 59 counties with screening data, 15 percent presented statistically higher participation in screening.
Conclusion:
A decrease in the number of women eligible for breast cancer services provided by AWC! was observed. Additionally, screening participation varied by county. A more comprehensive investigation is needed to explain these geographic disparities so prevention strategies can reduce the burden of breast cancer among South Dakota underserved women.
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