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Condom Social Marketing Effects in Low- and Middle-Income Countries: A Systematic Review Update, 1990 to 2019. - PubMed - NCBI
The 2012 review found 6 studies (combined N = 23 048). In a meta-analysis, the pooled odds ratio for condom use was 2.01 (95% confidence interval [CI]: 1.42-2.84) for the most recent sexual encounter and 2.10 (95% CI: 1.51-2.91) for a composite of all condom use outcomes. Studies had significant methodological limitations. Of 518 possible new citations identified in the update, no new articles met our inclusion criteria.
Effectiveness of Mass Media Interventions for HIV Prevention... : JAIDS Journal of Acquired Immune Deficiency Syndromes
Increases in condom use were larger for longer campaigns and in nations that scored lower on the human development index. Increases in transmission knowledge were larger to the extent that respondents reported greater campaign exposure, for more recent campaigns, and for nations that scored lower on the human development index.