Subgroup-specific effects of questionnaire wording on population-based estimates of mammography prevalence

P.Z. Siegel, J.R. Qualters, P.D. Mowery, S. Campostrini, C. Leutzinger and D.V. McQueen

American Journal of Public Health, 2001, vol. 91, issue 5, 817-820

Abstract: Objectives. This study investigated whether an apparent downturn in prevalence rates of mammography use reported in the 1992 Behavioral Risk Factor Surveillance System (BRFSS) questionnaire resulted from a change in questionnaire wording. Methods. In a pretest - Posttest design (1990-1991 vs 1992), piecewise linear regression analyses were based on monthly prevalence estimates of mammography use among female BRFSS respondents 40 years or older Results. Self-reported mammography use was lower by 3.5 percentage points (95% confidence interval [CI] = 1.5, 5.5) overall - And lower by 13.6 percentage points (95% CI = 2.6, 24.6) among Black women with less than a high school education - When predicted from 1992 data than when predicted from 1990-1991 data. Conclusions. A change in questionnaire wording in the BRFSS caused demographic-specific effects in population-based estimates of mammography use.

Date: 2001
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:2001:91:5:817-820_3

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