HIV Treatment Adherence in Women Living With HIV/AIDS: Research Based on the Information-Motivation-Behavioral Skills Model of Health Behavior

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Abstract
Close and consistent adherence to anti-HIV medication regimens is necessary to achieve the maximum benefit of these potentially effective treatments. The authors examined cognitive and behavioral factors associated with HIV treatment adherence in a convenience sample of 112 women, 72 of whom were currently taking HIV treatments at the time of the study. Women completed confidential surveys and interviews to assess HIV-related health status, treatment regimens, and cognitive behavioral characteristics derived from the Information-Motivation-Behavioral Skills model of health promotion behaviors. Results showed that women who had missed at least one dose of their HIV medications in the past week reported lower intentions (motivation) to remain adherent and lower adherence self-efficacy (skills). Structural equation modeling showed that motivational and skills-building factors significantly predicted the number of medication doses missed. However, treatment-related information did not predict treatment adherence. In addition, women who had missed a dose of medication in the past week were more likely to have ever used devices and strategies to remind them of doses, but were no more likely to currently use such strategies. Interventions that enhance treatment adherence motivation and build adherence skills may help improve HIV treatment adherence in women receiving anti-HIV therapies.