Mammography Use Among Women Ages 40-49 After the 2009 U.S. Preventive Services Task Force Recommendation

Department of Medicine, Johns Hopkins University School of Medicine, 2024 E. Monument St, Room 2-604, Baltimore, MD, 21287, USA, .
Journal of General Internal Medicine (Impact Factor: 3.42). 05/2013; 28(11). DOI: 10.1007/s11606-013-2482-5
Source: PubMed


BACKGROUND: In 2009, the U.S. Preventive Service Task Force changed its recommendation regarding screening mammography in average-risk women aged 40-49 years. OBJECTIVE: To evaluate the effects of the 2009 recommendation on reported mammogram use in a population-based survey. DESIGN: Secondary data analysis of data collected in the 2006, 2008, and 2010 Behavioral Risk Factor Surveillance System surveys. PARTICIPANTS: Women ages 40-74 years in the 50 states and Washington, DC who were not pregnant at time of survey and reported data on mammogram use during the 2006, 2008, or 2010 survey. MAIN MEASURES: Mammogram use was compared between women ages 40-49 and women ages 50-74 before and after the recommendation. We performed a difference-in-difference estimation adjusted for access to care, education, race, and health status, and stratified analyses by whether women reported having a routine checkup in the prior year. KEY RESULTS: Reported prevalence of mammogram use in the past year among women ages 40-49 and 50-74 was 53.2 % and 65.2 %, respectively in 2008, and 51.7 % and 62.4 % in 2010. In 2010, mammography use did not significantly decline from 2006-2008 in women ages 40-49 relative to women ages 50-74. CONCLUSION: There was no reduction in mammography use among younger women in 2010 compared to older women and previous years. Patients and providers may have been hesitant to comply with the 2009 recommendation.

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    ABSTRACT: The 2009 US Preventive Services Task Force breast cancer screening update recommended against routine screening mammography for women aged 40-49; confusion and release of conflicting guidelines followed. We examined the impact of the USPSTF update on population-level screening mammography rates in women ages 40-49. We conducted a retrospective, interrupted time-series analysis using a nationally representative, privately-insured population from 1/1/2006-12/31/2011. Women ages 40-64 enrolled for ≥1 month were included. The primary outcome was receipt of screening mammography, identified using administrative claims-based algorithms. Time-series regression models were estimated to determine the effect of the guideline change on screening mammography rates. 5.5 million women ages 40-64 were included. A 1.8 per 1,000 women (p = 0.003) decrease in monthly screening mammography rates for 40-49 year-old women was observed two months following the guideline change; no initial effect was seen for 50-64 year-old women. However, two years following the guideline change, a slight increase in screening mammography rates above expected was observed in both age groups. We detected a modest initial drop in screening mammography rates in women ages 40-49 immediately after the 2009 USPSTF guideline followed by an increase in screening rates. Unfavorable public reactions and release of conflicting statements may have tempered the initial impact. Renewal of the screening debate may have brought mammography to the forefront of women's minds, contributing to the observed increase in mammography rates two years after the guideline change. This pattern is unlikely to reflect informed choice and underscores the need for improved translation of evidence-based care and guidelines into practice.
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