Self-regulation and Rapid Weight Gain in Children From Age 3 to 12 Years
Lori A. Francis, PhD;
Elizabeth J. Susman, PhD
Arch Pediatr Adolesc Med. 2009;163(4):297-302.
Objective To examine the extent to which self-regulatory capacities, measured behaviorally at ages 3 and 5 years, were linked to rapid weight gain in children from age 3 to 12 years. Self-regulation failure, or the inability to control an impulse or behavior, has been implicated as a mechanism in the development of overweight.
Design Prospective longitudinal cohort study.
Setting Home and laboratory-based settings in 10 sites across the United States.
Participants Data were drawn from 1061 children as part of the National Institute of Child Health and Human Development Study of Early Child Care and Youth Development.
Main Exposure Self-regulatory capacity was measured in 2 behavioral protocols; children participated in a self-control procedure at age 3 years and a delay of gratification procedure at age 5 years.
Main Outcome Measures Age- and sex-specific body mass index (BMI) z scores were calculated based on measured BMI at 6 points.
Results Mixed-modeling analyses were used to examine differences in the rate of weight gain over time based on the extent to which children exhibited the ability to self-regulate in the behavioral procedures. Compared with children who showed high self-regulation in both behavioral protocols at ages 3 and 5 years, children who exhibited a compromised ability to self-regulate had the highest BMI z scores at each point and the most rapid gains in BMI z scores over the 9-year period. Effects of pubertal status were also noted for girls.
Conclusion Self-regulation failure in early childhood may predispose children to excessive weight gain through early adolescence.
Author Affiliations: Department of Biobehavioral Health (Drs Francis and Susman), Center for Human Development and Family Research in Diverse Contexts (Dr Francis), and School of Nursing (Dr Susman), The Pennsylvania State University, State College.
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