Background
The news media facilitated the rapid dissemination of the findings from the estrogen plus progestin therapy arm of the Women’s Health Initiative (EPT-WHI).
Objective
To examine the relationship between the potential exposure to newspaper coverage and subsequent hormone therapy (HT) use.
Design/Population
Population-based cohort of women receiving mammography at 7 sites (327,144 postmenopausal women).
Measurements
The outcome was the monthly prevalence of self-reported HT use. Circulation data for local, regional, and national newspapers was used to create zip-code level measures of the estimated average household exposure to newspaper coverage that reported the harmful effects of HT in July 2002.
Results
Women had an average potential household exposure of 1.4 articles. There was substantial variation in the level of average household exposure to newspaper coverage; women from rural sites received less than women from urban sites. Use of HT declined for all average potential exposure groups after the publication of the EPT-WHI. HT prevalence among women who lived in areas where there was an average household exposure of at least 3 articles declined significantly more (45 to 27%) compared to women who lived in areas with <1 article (43 to 31%) during each of the subsequent 5 months (relative risks 0.86–0.92; p < .006 for all).
Conclusions
Greater average household exposure to newspaper coverage about the harms associated with HT was associated with a large population-based decline in HT use. Further studies should examine whether media coverage directly influences the health behavior of individual women.
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Acknowledgment
NCI staff with specific expertise relevant to this effort participated in multiple aspects of this project, including design, collection, management, analysis and interpretation of the data, and manuscript preparation. NCI provided support to this project through the BCSC cooperative agreements noted above that underwent peer review. The final version of the manuscript was approved by all study authors and principal investigators of the BCSC sites. The authors thank Mary Canales, PhD, RN; Anne Dorwaldt; and Anush Yousefian, MS for their help with abstracting the newspaper articles.
Financial Support
This work was supported by National Cancer Institute (NCI)-funded Breast Cancer Surveillance Consortium (BCSC) co-operative agreements (U01CA86076, U01CA63740, U01CA86082, U01CA69976, U01CA63736, U01CA63731, U01CA70013, and U01CA70040).
Potential Financial Conflicts of Interest
None disclosed.
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Haas, J.S., Miglioretti, D.L., Geller, B. et al. Average Household Exposure to Newspaper Coverage about the Harmful Effects of Hormone Therapy and Population-Based Declines in Hormone Therapy Use. J GEN INTERN MED 22, 68–73 (2007). https://doi.org/10.1007/s11606-007-0122-7
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DOI: https://doi.org/10.1007/s11606-007-0122-7