This meta-analysis examines whether exposure to HIV-prevention interventions follows selfvalidation or risk-reduction motives. The dependent measures used in the study were enrolling in an HIV-prevention program and completing the program. Results indicated that first samples with low prior condom use were less likely to enroll than samples with high prior condom use. Second, samples with high knowledge were less likely to stay in an intervention than were those with low knowledge. Third, samples with medium levels of motivation to use condoms and condom use were more likely to complete an intervention than were those with low or high levels. Importantly, those patterns were sensitive to the interventions' inclusions of information-, motivation-, and behavioral-skills strategies. The influence of characteristics of participants, the intervention, and the recruit procedure are reported.
KeywordsHIV prevention; behavioral interventions; retention; recruitment; attitudes The need to develop behavioral interventions to reduce infection with HIV and other sexually transmitted infections (Centers for Disease Control [CDC], 2005) has resulted in many evidence-based interventions that attempt to increase HIV-relevant knowledge, motivation, and behavioral skills (J. D. Fisher & Fisher, 1992). Although these programs have been shown to be efficacious in meta-analytic syntheses and multisite trials (e.g., Albarracín et al., 2005;Albarracín et al., 2003; B. T. Johnson, Carey, Marsh, Levin, & Scott-Sheldon, 2003; Kim, Stanton, Li, Dickersin, & Galbraith, 1997;Mize, Robinson, Bockting, & Scheltema, 2002;Prendergast, Urada, & Podus, 2001), there is a surprising lack of understanding of the programs' outreach. However, it is important to determine if the programs reach and retain audiences that lack appropriate knowledge, motivation, and behavioral practice, and if specific aspects of these programs increase outreach and retention.Correspondence concerning this article should be addressed to Kenji Noguchi or Dolores Albarracín, Department of Psychology, University of Florida, Gainesville, FL 32611. knoguchi@ufl.edu or dalbarra@ufl.edu.
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Author ManuscriptThe limitations in our knowledge about outreach may be due in part to the researchers' needs to test programs under conditions that increase participation and reduce attrition. In doing so, researchers provide strong incentives for participation and perceive low retention as a serious threat to be minimized. Despite the value of these practices to assess intervention efficacy, an informed take on outreach requires understanding natural variability in intervention acceptance and retention rather than conceptualizing attrition as a rate that must be constant and low. For this reason, we meta-analyzed the HIV-prevention intervention literature with a focus on variations in the sample sizes within included studies. From sample sizes at different study points, acceptance and retention rates were calculate...