Increasing Use of Mammography Among Older, Rural African American Women: Results From a Community Trial
Jo Anne Earp, ScD,
Eugenia Eng, DrPH,
Michael S. O'Malley, PhD,
Mary Altpeter, PhD,
Garth Rauscher, MPH,
Linda Mayne, PhD, RN,
Holly F. Mathews, PhD,
Kathy S. Lynch, MPH and
Bahjat Qaqish, MD,PhD
Jo Anne Earp and Eugenia Eng are with the Lineberger Comprehensive Cancer Center and the Department of Health Behavior and Health Education, University of North Carolina at Chapel Hill. Michael S. O'Malley is with the Lineberger Comprehensive Cancer Center and the Department of Health Policy and Administration, University of North Carolina at Chapel Hill. Mary Altpeter is with the Institute on Aging, University of North Carolina at Chapel Hill. Garth Rauscher is with the Lineberger Comprehensive Cancer Center and the Department of Epidemiology, University of North Carolina at Chapel Hill. Linda Mayne is with the School of Nursing, East Carolina University, Greenville, NC. Holly F. Mathews is with the Department of Anthropology, East Carolina University. Kathy S. Lynch is with the Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill. Bahjat Qaqish is with the Lineberger Comprehensive Cancer Center and the Department of Biostatistics, University of North Carolina at Chapel Hill.
Correspondence: Requests for reprints should be sent to Jo Anne Earp, ScD, Department of Health Behavior and Health Education, School of Public Health, CB# 7400, University of North Carolina, Chapel Hill, NC 27599-7400 (e-mail: jearp{at}sph.unc.edu).
Objectives. A community trial was undertaken to evaluate theeffectiveness of the North Carolina Breast Cancer ScreeningProgram, a lay health advisor network intervention intendedto increase screening among rural African American women 50years and older.
Methods. A stratified random sample of 801 African Americanwomen completed baseline (19931994) and follow-up (19961997)surveys. The primary outcome was self-reported mammography usein the previous 2 years.
Results. The intervention was associated with an overall 6 percentagepoint increase (95% confidence interval [CI] = 1, 14)in communitywide mammography use. Low-income women in interventioncounties showed an 11 percentage point increase (95% CI = 2,21) in use above that exhibited by lowincome women in comparisoncounties. Adjustment for potentially confounding characteristicsdid not change the results.
Conclusions. A lay health advisor intervention appears to bean effective public health approach to increasing use of screeningmammography among low-income, rural populations.
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