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Review: HIV risk reduction interventions reduce some HIV risk behaviours in adolescents
  1. Susan Askin, RN, PhD(c)
  1. School of Nursing, McMaster University
 Hamilton, Ontario, Canada

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 Q Do HIV risk reduction interventions reduce adolescent risk behaviours for HIV?

    METHODS

    Embedded ImageData sources:

    AIDSLINE, CINAHL, Dissertations Abstracts Online, ERIC, Medline, and PsycINFO up to December 2000; hand searches of conference proceedings and recent issues of relevant journals; bibliographies of identified studies; and individual researchers.

    Embedded ImageStudy selection and assessment:

    randomised controlled trials (RCTs) or quasi-experimental studies with rigorous controls that evaluated intensive educational, psychosocial, or behavioural interventions advocating sexual risk reduction for HIV prevention for pre-college adolescents and included behavioural measures relevant to sexual risk and sufficient information to calculate effect sizes.

    Embedded ImageOutcomes:

    communication about sexual risk, condom use skills, negotiating skills regarding condom use, condom use, sexual frequency, acquisition of prophylactics, and diagnosis of sexually transmitted diseases other than HIV.

    MAIN RESULTS

    44 studies of 56 interventions (n = 35 282; mean age 15 y, range 11–18 y; 53% African-American or African; 56% sexually active) met the selection criteria. Meta-analysis was done using a fixed effects model. Adolescents who received HIV risk reduction interventions had improved skills in negotiating lower risk sexual encounters, increased frequency of communications with sexual partners about safer sex, reduced sexual frequency, and increased condom use compared with comparison groups (table). Risk reduction interventions did not increase acquisition of condoms or spermicide or diagnosis of sexually transmitted diseases other than HIV (table).

    HIV risk reduction interventions v comparison conditions for adolescents*

    CONCLUSION

    HIV risk reduction interventions improve condom use skills, communication with sexual partners, and condom use and reduce sexual frequency in adolescents.

    Commentary

    In this review of adolescent HIV risk reduction interventions, Johnson et al used a comprehensive search strategy, explicit selection criteria, and 2 independent raters to extract study data. They obtained data directly from the researchers for about half of the 22 studies lacking sufficient information to calculate effect size estimates.

    The authors used a fixed effects model for meta-analysing the data, despite significant heterogeneity in the results of studies examining condom use. They did further analyses to investigate the effect of methodological and participant characteristics on the variability of study results. Study variability was explained by several factors: condom use increased most among non-institutionalised adolescents who were given condoms and received active training in the skills needed to use and negotiate condom use with a partner. This analysis provides information of great relevance to health policy.

    Public health nurses should share the findings of this systematic review to dispel the myth that HIV sexual risk reduction interventions for adolescents increase the frequency of sexual behaviour, the number of sexual partners, or the onset of sexual debut. Based on these findings, HIV prevention programmes for youth in the community should incorporate both active instruction in condom use and provision of condoms. Evaluations should focus on behavioural outcomes. Concurrently, investigators need to explore social determinants of health, including environmental structures and social processes within families, schools, and neighbourhoods[1] to identify additional factors that might promote or inhibit risk reduction behaviours in youth. Findings from such research may increase our understanding of the complex social environment that influences the adoption of risk reduction behaviours.

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    Footnotes

    • For correspondence: Dr B T Johnson, Center for Health/HIV Intervention and Prevention, University of Connecticut, CT, USA. blair.t.johnsonuconn.edu

    • Source of funding: National Institutes of Health.

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