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UNESCO HIV and Health Education Clearinghouse

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  1. Is the sexual behaviour of young people in sub-Saharan Africa influenced by their peers? A systematic review

    Adolescents in sub-Saharan Africa are highly vulnerable to HIV, other sexually transmitted infections (STIs) and unintended pregnancies. Evidence for the effectiveness of individual behaviour change interventions in reducing incidence of HIV and other biological outcomes is limited, and the need to address the social conditions in which young people become sexually active is clear. Adolescents' peers are a key aspect of this social environment and could have important influences on sexual behaviour. There has not yet been a systematic review on the topic in sub-Saharan Africa. …

  2. A surprising prevention success: Why did the HIV epidemic decline in Zimbabwe?

    There is growing recognition that primary prevention, including behavior change, must be central in the fight against HIV/AIDS. The earlier successes in Thailand and Uganda may not be fully relevant to the severely affected countries of southern Africa. We conducted an extensive multi-disciplinary synthesis of the available data on the causes of the remarkable HIV decline that has occurred in Zimbabwe (29% estimated adult prevalence in 1997 to 16% in 2007), in the context of severe social, political, and economic disruption. …

  3. Nothing as practical as good theory? The theoretical basis of HIV prevention interventions for young people in sub-Saharan Africa: A systematic review

    This paper assesses the extent to which HIV prevention interventions for young people in sub-Saharan Africa are grounded in theory and if theory-based interventions are more effective. Three databases were searched for evaluation studies of HIV prevention interventions for youth. Additional articles were identified on websites of international organisations and through searching references. 34 interventions were included; 25 mentioned the use of theory. …

  4. Systematic review of the effectiveness of mass communication programs to change HIV/AIDS-related behaviors in developing countries

    This systematic review analyzes 24 mass media campaigns' effect on HIV knowledge, attitudes and behaviors. The studies were published between 1990 and 2004 about developing countries and compared outcomes by reviewing pre-and post-intervention data; intervention vs. control groups or post-intervention data across levels of exposure. …

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