The purpose of this study was to test a barrier theory of perceived social support to HIV-positive gay men. The proposed model was tested for friends and family separately in order to investigate the uniqueness each provided. In both models, it was hypothesized that the presence of barriers to social support (availability, intimacy and disclosure) diminished acquisition of social support. The influence of barriers on the relationship between social support and health outcome (i.e. depression, t-cell count) for both friend and family models was also investigated. In general, data from HIV-positive gay men support barrier theory premises for both family and friends. Implications for helping professionals and researchers are proposed.

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