BMI in early childhood

There is concern about obesity in childhood throughout the world. There has been a focus on changes in weight and BMI in early childhood as a predictor of later obesity. Many national data sets, such as NHANES in the US, are cross-sectional. These data sources leave open the question of longitudinal trends. In this volume of The Journal, Jabakhanji et al use data from the nationally representative, longitudinal Growing Up in Ireland study to evaluate height, weight, and BMI at 9 months, 3 years, and 5 years of age to evaluate change over time.

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