Disparities and Gaps in Breast Cancer Screening for Women Aged 40 to 49 Years
2024

Breast Cancer Screening Disparities for Women Aged 40 to 49

Sample size: 20100000 publication Evidence: moderate

Author Information

Author(s): Gu Tianshu MD, Yuan Jing PhD, White-Means Shelley PhD, Li Minghui PhD

Primary Institution: University of Tennessee Health Science Center

Hypothesis

This study aimed to examine disparities and gaps in breast cancer screening among women aged 40 to 49 years.

Conclusion

The study found significant disparities in mammography screening rates among women aged 40 to 49, particularly affecting minority and socioeconomically disadvantaged groups.

Supporting Evidence

  • 59.2% of women aged 40 to 49 reported having undergone mammography screening within the last 2 years.
  • 15.2% reported overdue screening, and 25.6% reported never having undergone screening.
  • Lower screening rates were observed among racial and ethnic minorities, sexual minorities, and those with lower family incomes.

Takeaway

Many women aged 40 to 49 are not getting their breast cancer screenings, especially those from minority and low-income backgrounds.

Methodology

This cross-sectional study used nationally representative data from the National Health Interview Survey in 2019 and 2021, focusing on women aged 40 to 49 who had not been diagnosed with breast cancer.

Potential Biases

The study may be limited by the reliance on self-reported mammography screening data.

Limitations

Data were collected during a period when biennial mammography screening was considered an individual decision.

Participant Demographics

The study examined women aged 40 to 49, including racial and ethnic minorities, sexual minorities, rural residents, individuals with disabilities, and socioeconomically disadvantaged populations.

Statistical Information

Confidence Interval

95% CI, 0.01-0.14

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1001/jamanetworkopen.2024.51827

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