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Pediatrics. 2002 Feb;109(2):194-9.

Infant weight gain and childhood overweight status in a multicenter, cohort study.

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  • 1The Children's Hospital of Philadelphia, Division of Gastroenterology and Nutrition, Philadelphia, Pennsylvania 19104-4399, USA.



To determine whether a rapid rate of weight gain in early infancy is associated with overweight status in childhood.


Prospective, cohort study from birth to age 7 years.


Twelve sites across the United States.


Twenty-seven thousand, eight hundred ninety-nine (27 899) eligible participants born at full term between 1959 and 1965.


Overweight status at age 7 years, defined by a body mass index above the 95th percentile of the Centers for Disease Control and Prevention reference data.


In the 19 397 participants with complete data (69.6%), the prevalence of overweight status at age 7 years was 5.4%. The rate of weight gain during the first 4 months of life (as 100 g/month) was associated with being overweight at age 7 years, after adjustment for several confounding factors: odds ratio: 1.38; 95% confidence interval: 1.32-1.44. This association was present in each birth weight quintile, and remained significant after adjustment for the weight attained at age 1 year (odds ratio: 1.17; 95% confidence interval: 1.11-1.24).


A pattern of rapid weight gain during the first 4 months of life was associated with an increased risk of overweight status at age 7 years, independent of birth weight and weight attained at age 1 year. These findings may lead to new hypotheses regarding the cause of childhood obesity, which may contribute to our understanding of this increasing public health problem in the United States.

[PubMed - indexed for MEDLINE]
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