Maintenance of safer sexual behaviours: evaluation of a theory‐based intervention for HIV seropositive men with haemophilia and their female partners

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Abstract
A theory-based HIV risk-reduction intervention was developed for HIV-positive men with haemophilia and their HIV-negative female romantic partners. The intervention was based on Prochaska and DiClemente’s Transtheoretical Model which describes behaviour change as an incremental, stage-based process. The intervention targeted both communication about safer sex and safer sex behaviours (consistent condom use or abstinence from vaginal intercourse). A total of 255 males and 158 females from six funded haemophilia treatment centres or patient organizations (and 27 associated subsites) participated in the study. Baseline and follow-up (15 months after baseline) measures were administered to assess safer sexual behaviours, communication about safer sex and condom self-efficacy. A quasi-experimental, repeated measures design was utilized to compare two naturally occurring groups; those who received the full intervention package and those who received incomplete or no intervention components. Significant intervention effects for safer sex behaviours, communication about safer sex and condom self-efficacy were identified for the male participants, with those receiving the full intervention package demonstrating better outcomes at follow-up. Women who received the full intervention package were more likely to report the use of a condom by their male partner during the last act of vaginal intercourse.