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UNESCO HIV and Health Education Clearinghouse

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  1. Experimental evaluation of school-based HIV programs in sub-Saharan Africa

    School-based adolescent health education programs represent a durable strategy in reducing the spread of HIV because they can leverage pre-existing social and organizational structures to reach large fractions of students at critical life stages. Many evaluations of school-based HIV programs draw on multilevel study designs that assign schools to treatment conditions or assign students to treatment conditions within blocks defined by school membership. …

  2. An HIV/AIDS knowledge scale for adolescents: item response theory analyses based on data from a study in South Africa and Tanzania

    A 14-item human immunodeficiency virus/acquired immunodeficiency syndrome knowledge scale was used among school students in 80 schools in 3 sites in Sub-Saharan Africa (Cape Town and Mankweng, South Africa, and Dar es Salaam, Tanzania). For each item, an incorrect or don't know response was coded as 0 and correct response as 1. Exploratory factor analyses based on polychoric correlations showed two separate factors for all sites. …

  3. Development and test-retest reliability of a research instrument designed to evaluate school-based HIV/AIDS interventions in South Africa and Tanzania

    Aims: This article reports on the development and psychometric properties of an instrument to evaluate school-based HIV/ AIDS interventions aimed at adolescents in three African sites. Methods: The instrument was developed in a series of steps that involved a review of existing instruments; use of empirical data and secondary literature supporting an association between the variables of interest and sexual intercourse or condom use; operationalizing the constructs of the theoretical model employed; and using the objectives of the intervention. …

  4. The application of Intervention Mapping in developing and implementing school-based sexuality and HIV/AIDS education in a developing country context: the case of Tanzania

    Effective sexuality and HIV/AIDS education programmes are needed to protect young people against HIV/AIDS and teenage pregnancy in Tanzania and other Sub-Saharan African countries. Using a theory- and evidence-based approach and adapting the programmes to local contexts, increases the effectiveness of these programmes. This paper describes and discusses the challenges and opportunities concerning the application of Intervention Mapping (IM) in the development and implementation of a sexuality and HIV/AIDS education programme targeting young people aged 12-14 in Tanzania. …

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