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Early infant feeding practice and childhood obesity: the relation of breast-feeding and timing of solid food introduction with childhood obesity

Abstract Objective: We assessed the association of breast-feeding and timing of solid food introduction with childhood obesity. Methods: The children were grouped according to the duration of breast-feeding (0–1, 2–6, 7–12, 13–18, and 19–24 months) and the age at which solid foods were introduced (<4, 4–5, and ≥6 months). Results: In this study, we enrolled 4990 children aged 2–14 years. The rate of exclusive breast-feeding at 6 months of age was 49.1%. We found no association between the duration of breast-feeding and childhood obesity [odds ratio (OR) 0.948, 95% confidence interval (95% CI) 0.694–1.295]. The regression analysis revealed no significant differences in obesity or overweight rates between the early and late introduction to solid food groups (OR 0.993, 95% CI 0.645–1.531). Conclusions: Although breastfeeding has been previously reported to protect against childhood obesity, we were unable to find a significant association between obesity and either longer duration of breastfeeding or later introduction to solid foods in our sample.