Online social support and collective empowerment: Serial mediation effect on self-efficacy among mothers of children with type 1 diabetes.

This study provides novel insights into the functional mechanism of online health communities for T1D. Peer mentor coaching by parents of children with T1D effectively helps other children's parents with its recent diagnosis. The findings recognize a need for strategies enhancing collective empowerment among parents of children with T1D. Along with peer coaching, these strategies should strengthen knowledge of resources and methods to impact social change as well as resource mobilization for collective actions.