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Preventive targeting of food aid and behavior change communication to 6–24 mo old children is more effective in reducing undernutrition than targeting malnourished children in rural Haiti

We compared differences in childhood undernutrition in rural Haitian communities exposed to a food aid/behavior change communication (BCC) intervention linked with a maternal and child health/nutrition (MCHN) program and delivered through either: a preventive model, targeting all children 6–24 mo; or a recuperative model, targeting malnourished children under 5 y.