Objective To explore the determinants of growth and effects of breastfeeding for 4 months old infants. Methods The data collected in the Longitudinal Study of Chinese Breastfeeding Infants Growth and Development from birth to 4 months old in 6 well-being rural areas was used to construct the multilevel models of weight-for-age,length-for-age and BMI-for-age. Results The models showed that infant age,gender,birth weight,birth length,parity,mother age,parents' height,season,feeding patterns and the interaction effect of age and feeding patterns all had statistical significance (P<0.05). Conclusion Compared with infant general status,family and social demographic characteristics,parents' biological characteristics,perinatal these immutable factors,breastfeeding is the effective measure to promote growth of 4 months old infants in rural areas.
Key words
growth /
determinants /
rural areas /
infant
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