Associations between inhibitory control and body weight in German primary school children

Tamara Wirt1, Verena Hundsdörfer2, Anja Schreiber1

  • 1Division of Sports and Rehabilitation Medicine, Ulm University Medical Centre, Frauensteige 6, 89075 Ulm, Germany.

Eating Behaviors
|January 14, 2014
PubMed

Insights

Children with lower inhibitory control are at higher risk for obesity. This study found that poor self-control in primary school children predicts higher body weight, even beyond other factors.

Area of Science:

  • Child Psychology
  • Pediatric Health
  • Behavioral Science

Background:

  • Inhibitory control deficits are a suspected risk factor for overweight.
  • Limited research exists on this link in non-clinical childhood populations.

Purpose of the Study:

  • To examine the relationship between inhibitory control and body weight in a large sample of primary school children.
  • To determine if inhibitory control predicts body weight independently of other factors.

Main Methods:

  • Utilized baseline data from 498 primary school children (grades 1-2) in Germany.
  • Assessed inhibitory control using a Go-Nogo task.
  • Measured height and weight to calculate BMI percentiles; collected sociodemographic and behavioral data via parental questionnaire.

Main Results:

  • Inhibitory control was significantly associated with body weight.
  • Lower inhibitory control predicted higher body weight, even after accounting for parental education, migration background, parental weight, TV consumption, and breakfast habits.
  • Obese children showed significantly lower inhibitory control compared to non-overweight and overweight peers.

Conclusions:

  • Deficits in inhibitory control are a significant risk factor for pediatric obesity.
  • This suggests that improving self-control may be a potential strategy for preventing childhood obesity.