Factors Affecting Thai Fathers' Self-Efficacy to Support Exclusive Breastfeeding.

The results demonstrated that family type and fathers' attitudes/knowledge about breastfeeding influenced their self-efficacy to support exclusive breastfeeding. Nurses should consider implementing breastfeeding interventions specific to fathers to enhance their attitudes and knowledge about breastfeeding, including increasing fathers' self-efficacy to support maternal exclusive breastfeeding efforts.