Influence of care group participation on infant and young child feeding, dietary diversity, WASH behaviours and nutrition outcomes in rural Zimbabwe.

Background: The care group approach (CGA) is a community-based nutrition behaviour change strategy centred on 'peer-to-peer learning' through women support groups.

Objective: To assess the impact of the CGA on the adoption of appropriate infant and young child feeding (IYCF), dietary diversity and water, sanitation and hygiene (WASH) practices, and associated nutrition-related outcomes.

Methods: A retrospective cohort study used a mixed-method approach in selected rural districts in Zimbabwe in June 2022.