Abstract
This study investigates the driving factors of the social commerce intention of online communities in Saudi Arabia by building a model that comprises two exogenous variables (social support and social commerce constructs (SCCs)), a mediating variable (trust), and one endogenous variable (social commerce intention). The study population comprises Facebook and Twitter users in the kingdom. A convenience sample of 500 social media users was chosen. Data were gathered via a questionnaire-based online survey. Our findings indicate that social support had a significant relationship with trust and social commerce intention. This relationship was significantly mediated by trust. SCCs also had a significant relationship with emotional as well as informational support and social commerce intention. Unexpectedly, the relationship between SCCs and social support dimensions was significantly mediated by trust. Consequently, it was concluded that social support, trust, and SCCs are key drivers of social commerce intention. These results invite social media retailers to consider such factors to increase social media users' intention to purchase.