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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. Lessons learned from a review of interventions for adolescent and young key populations in Asia Pacific and opportunities for programming

    BACKGROUND: Over a third of new HIV infections globally are among 15-24 year-olds and over 20% among adolescents aged 10-19 years in Asia Pacific. The review was initiated to identify interventions in the region with demonstrated or potential impact for adolescent and young key populations (YKP) looking at the role of individual and structural factors in accessibility and delivery. The review is a component of a more comprehensive review undertaken by UNICEF and partners in the region. METHODS:This was a desk review of over 1000 articles, and 37 were selected. …

  3. Sex and HIV education programs: Their impact on sexual behaviors of young people throughout the world

    This paper reviews 83 studies that measure the impact of curriculum-based sex and HIV education programs on sexual behavior and mediating factors among youth under 25 years anywhere in the world. Two thirds of the programs significantly improved one or more sexual behaviors. The evidence is strong that programs do not hasten or increase sexual behavior but, instead, some programs delay or decrease sexual behaviors or increase condom or contraceptive use. …

  4. Long-Term Biological and Behavioural Impact of an Adolescent Sexual Health Intervention in Tanzania: Follow-up Survey of the Community-Based MEMA kwa Vijana Trial

    The ability of specific behaviour-change interventions to reduce HIV infection in young people remains questionable. Since January 1999, an adolescent sexual and reproductive health (SRH) intervention has been implemented in ten randomly chosen intervention communities in rural Tanzania, within a community randomised trial (see below; NCT00248469). The intervention consisted of teacher-led, peer-assisted in-school education, youth-friendly health services, community activities, and youth condom promotion and distribution. …

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