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Impact of a Social Influence Intervention on Condom Use and Sexually Transmitted Infections among Establishment-Based Female Sex Workers in the Philippines: A Multilevel Analysis

  • Author(s): Morisky, Donald E;
  • et al.

We assessed the relative impact of structural and social influence interventions on reducing sexually transmitted infections (STIs) and HIV risk behavior among female sex workers in the Philippines (N = 897). Four conditions included Manager influence, Peer influence, Combined Manager/Peer influence, or control. Intervention effects were assessed at the establishment level in multilevel models due to statistical dependencies among women employed within the same establishments. Control membership predicted greater perceived risk, less condom use, less HIV/AIDS knowledge, and more negative condom attitudes. Combination participants reported more positive condom attitudes, more establishment policies favoring condom use, and fewer STIs. Manager-only participants reported fewer STIs, lower condom attitudes, less knowledge, and higher perceived risk than peer-only participants. Because interventions were implemented at the city level, baseline/follow up city differences were analyzed to rule out intervention effects due to pre-existing differences.

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