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UNESCO HIV and Health Education Clearinghouse

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  1. Assessment of the psychometric properties of HIV knowledge items across five countries

    HIV knowledge is commonly measured in HIV prevention research and program evaluations, but rigorous measurement standards are not always applied. Using item response theory methods, we examined the psychometric functioning of five commonly used HIV knowledge questions in five countries with varying HIV prevalence. We evaluated the internal consistency and measurement invariance of the items. The items performed poorly in all samples and the scale as a whole did not perform equally across samples. …

  2. Levels and spread of HIV seroprevalence and associated factors: evidence from national household surveys

    This report summarizes HIV prevalence and the associations between HIV serostatus and key characteristics and behaviors of adult women and men in 22 developing countries, primarily in sub- Saharan Africa. Data come from Demographic and Health Surveys (DHS) and AIDS Indicator Surveys (AIS) conducted between 2001 and 2006. In most of these surveys, nationally representative samples of women age 15-49 and men age 15-59 were tested for HIV. …

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