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Measuring AIDS-Related Behaviors in Older Populations

Because of a dearth of research on reporting biases in the measurement of HIV-relatedsexual and drug use behaviors in older populations, it is frequently assumed thatmethodological findings of research conducted with younger populations will generalize to older respondents. In this study, estimates of the effect of the experimentalmanipulation of interview mode (interviewer administered vs. self-administered)were derived separately for three age strata: 12 to 49, 50 to 64, and 65+. Results ofthese analyses indicate that there were a number of noteworthy reversals in whichinterviewer-administered questioning in the older age strata produced higher estimates of the prevalence of substance use or alcohol-related problem behaviors. Theseresults suggest that caution should be exercised in making generalizations fromstudies of reporting bias for HIV-related behaviors to older populations.