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Science. 1998 May 8;280(5365):867-73.

Adolescent sexual behavior, drug use, and violence: increased reporting with computer survey technology.

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Program in Health and Behavior Measurement at the Research Triangle Institute, 1635 M Street, NW, Washington, DC 20036, USA.


Surveys of risk behaviors have been hobbled by their reliance on respondents to report accurately about engaging in behaviors that are highly sensitive and may be illegal. An audio computer-assisted self-interviewing (audio-CASI) technology for measuring those behaviors was tested with 1690 respondents in the 1995 National Survey of Adolescent Males. The respondents were randomly assigned to answer questions using either audio-CASI or a more traditional self-administered questionnaire. Estimates of the prevalence of male-male sex, injection drug use, and sexual contact with intravenous drug users were higher by factors of 3 or more when audio-CASI was used. Increased reporting was also found for several other risk behaviors.

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