Objective To explore the risk factors of overweight and obesity for infants,and to provide evidences of the early intervention of child obesity. Methods 2 139 infant were selected by stratified-clustered sampling when they were one month old.Normal group and overweight group were divided by BMI.Meanwhile,related factors were investigated using a standardized questionnaire.The data were analyzed by mono-factorial and multi-factorial conditional logistic regression with SPSS 11.5 software. Results The rate of overweight was 15.96% for 18 months infants.High birth weight(OR=2.07),father overweight (OR=1.07),meat and vegetables consumpution≥7 times/week(OR=1.04、OR=1.05),sweet drinks consumpution＞1 time/week(OR=0.90) were risk factors for obesity. Conclusion High birth weight,genetic and eating habits are the maior risk factors,they should be early and synthetic intervented.
Key words
infant /
overweight /
obesity /
risk factors
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