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UNESCO HIV and Health Education Clearinghouse

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  1. Mediation analysis of an adolescent HIV/STI/pregnancy prevention intervention

    Most interventions designed to prevent HIV/STI/pregnancy risk behaviours in young people have multiple components based on psychosocial theories (e.g. social cognitive theory) dictating sets of mediating variables to influence to achieve desired changes in behaviours. Mediation analysis is a method for investigating the extent to which a variable X (e.g. intervention indicator) influences an outcome variable Y (e.g. unprotected sex) by first influencing an intermediate variable M (e.g. …

  2. Risk information, risk salience, and adolescent sexual behavior: experimental evidence from Cameroon

    Results from a randomized experiment conducted with teenage schoolgirls in Cameroon suggest that HIV prevention interventions can be effective at reducing the incidence of teen pregnancy in the following 9-12 months by over 25 percent.

  3. Feasibility trial of a film-based educational intervention for increasing boys’ and girls’ intentions to avoid teenage pregnancy: Study protocol

    The World Health Organisation, amongst others, recognises that adolescent men have a vital yet neglected role in reducing teenage pregnancies and that there is a pressing need for educational interventions designed especially for them. This study seeks to fill this gap by determining the feasibility of conducting an effectiveness trial of the If I Were Jack intervention in post-primary schools. This 4-week intervention aims to increase teenagers’ intentions to avoid unintended pregnancy and addresses gender inequalities in sex education by explicitly focusing on young men. …

  4. Rethinking how to prevent HIV in young people: evidence from two large randomised controlled trials in Tanzania and Zimbabwe

    The MEMA kwa Vijana (Tanzania) and Regai Dzive Shiri (Zimbabwe) adolescent sexual and reproductive health intervention trials focused on developing skills and changing attitudes and self-efficacy to change behaviours. The trials show a clear gap between young people's knowledge, and their reported attitudes and behaviour. …

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