Eating behavior and childhood overweight among population-based elementary schoolchildren in Japan

Hirotaka Ochiai1, Takako Shirasawa, Rimei Nishimura

  • 1Department of Public Health, Showa University School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan. h-ochiai@med.showa-u.ac.jp

Insights

Thoroughly chewing food and avoiding eating until full are linked to lower childhood overweight risk. These eating behaviors may help prevent obesity in elementary schoolchildren.

Area of Science:

  • Pediatrics
  • Nutritional Science
  • Public Health

Background:

  • Childhood overweight is a significant public health concern.
  • Understanding the influence of eating behaviors on childhood overweight is crucial for prevention strategies.

Purpose of the Study:

  • To investigate the association between specific eating behaviors (eating until full, chewing thoroughly) and the prevalence of overweight in Japanese elementary schoolchildren.
  • To identify potential behavioral interventions for childhood overweight prevention.

Main Methods:

  • Cross-sectional study involving 4027 fourth-grade schoolchildren (9-10 years old) in Japan.
  • Data collected via self-administered questionnaires on eating behaviors and direct measurements of height and weight.
  • Overweight status determined using International Obesity Task Force criteria.

Main Results:

  • Chewing thoroughly was significantly associated with a decreased odds ratio for being overweight.
  • Eating until full was significantly associated with an increased odds ratio for being overweight, particularly in boys (OR: 1.50).
  • The association between eating until full and overweight was stronger in boys who did not chew thoroughly (OR: 2.02).

Conclusions:

  • Eating habits, specifically eating until full and insufficient chewing, are associated with childhood overweight.
  • Promoting thorough chewing may be a viable strategy for preventing overweight and obesity in children.

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