Weibo friends with benefits for people live with HIV/AIDS? The implications of Weibo use for enacted social support, perceived social support and health outcomes.

With the increasing popularity of social media, many people who live with HIV/AIDS (PLWHA) seek social support via Weibo in China. The question arises here as to whether PLWHA perceive higher levels of social support via Weibo than in offline relationships, whether perceived online social support (PSS-ON) is associated with enacted social support, and whether it is effective in predicting better health outcomes. Based on self-reported data from 432 Chinese PLWHA, the authors investigated perceived offline social support (PSS-OFF), PSS-ON, enacted social support, and health outcomes. The empirical results indicate that PSS-ON is significantly associated with employment status, CD4 cell counts, and PSS-OFF. PSS-ON is higher than PSS-OFF for PLWHA, and close Weibo friends are the main source of PSS-ON. Enacted receiving social support and giving social support are relevant, and they contribute as individual predictors of PSS-ON. PSS-ON and PSS-OFF are distinct constructs in predicting the subjective well-being of PLWHA, while PSS-ON is not related to adherence to antiretroviral therapy (ART) and risky sexual behavior in this study. Limitations and future directions are discussed.