Longitudinal evaluation of milk type consumed and weight status in preschoolers
- 18 March 2013
- journal article
- research article
- Published by BMJ in Archives of Disease in Childhood
- Vol. 98 (5), 335-340
- https://doi.org/10.1136/archdischild-2012-302941
Abstract
Objective To evaluate relationships between type of milk consumed and weight status among preschool children. Design Longitudinal cohort study. Setting The Early Childhood Longitudinal Study, Birth Cohort, a representative sample of US children. Participants 10 700 US children examined at age 2 and 4 years. Main outcome measures Body mass index (BMI) z score and overweight/obese status as a function of milk type intake. Results The majority of children drank whole or 2% milk (87% at 2 years, 79.3% at 4 years). Across racial/ethnic and socio-economic status subgroups, 1%/skim milk drinkers had higher BMI z scores than 2%/whole milk drinkers. In multivariable analyses, increasing fat content in the type of milk consumed was inversely associated with BMI z score (pConclusions Consumption of 1%/skim milk is more common among overweight/obese preschoolers, potentially reflecting the choice of parents to give overweight/obese children low-fat milk to drink. Nevertheless, 1%/skim milk does not appear to restrain body weight gain between 2 and 4 years of age in this age range, emphasising a need for weight-targeted recommendations with a stronger evidence base.Keywords
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