Abstract
This paper contributes to the discussion on patient engagement in online health communities (OHCs) by integrating channel expansion and social exchange theories. Using survey data from 348 users of OHC, we examine the impacts of perceived channel richness, social support, and willingness to exchange information on OHC engagement. Results show that the perceived channel richness positively influences OHC engagement. The effect of patients’ willingness to share and seek information on engagement is moderated by health status. Finally, engagement in OHCs enhances self-care efficacy and perceived health outcomes. We propose several theoretical implications for researchers and practical contributions for OHC administrators.
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