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Effectiveness of an educational intervention on complementary feeding practices and growth in rural China: A cluster randomised controlled trial

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Shi, L., J. Zhang, et al. (2010). "Effectiveness of an educational intervention on complementary feeding practices and growth in rural China: A cluster randomised controlled trial." Public Health Nutrition 13(4): 556-565.

Objective: Inappropriate complementary feeding is one of the major causes of malnutrition in young children in developing countries. We developed an educational intervention, delivered by local health-care providers, aimed at improving complementary feeding practices and child nutrition.

Design: Eight townships in Laishui, a rural area in China, were randomly assigned to the educational intervention or control group. A total of 599 healthy infants were enrolled at age 2-4 months and followed up until 1 year of age. In the intervention group, educational messages and enhanced home-prepared recipes were disseminated to caregivers through group trainings and home visits. Questionnaire surveys and anthropometric measurements were taken at baseline and ages 6, 9 and 12 months. Analysis was by intention to treat.

Results: It was found that food diversity, meal frequency and hygiene practices were improved in the intervention group. Infants in the intervention group gained 0·22 kg more weight (95% CI 0·003, 0·45 kg, P = 0·047) and gained 0·66 cm more length (95% CI 0·03, 1·29 cm, P = 0·04) than did controls over the study period.

Conclusions: Findings from the study suggest that an educational intervention delivered through local health-care providers can lead to substantial behavioural changes of caregivers and improve infant growth.