Prevalence of Obesity, Leanness and Anorexia nervosa in Japanese Boys and Girls Aged 12–14 Years

Authors:
  • KHKeiichi Hanaki
    Keiichi Hanaki
  • HMHiroko Motozumi
    Hiroko Motozumi
  • NINobuo Ishitani
    Nobuo Ishitani
  • HMHiroko Matsuda-Ohtahara
    Hiroko Matsuda-Ohtahara
  • MSMayumi Sunaguchi
    Mayumi Sunaguchi
  • KSKazuo Shiraki
    Kazuo Shiraki
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Abstract
Body weight and height of Japanese boys and girls aged 12–14 years were measured to calculate the prevalence of obesity, leanness and anorexia nervosa. In boys, the prevalence of obesity as well as leanness was significantly higher in the areas where population density was lower and among the boys who attended schools with smaller numbers of pupils. In the girls, these findings were similar to the boys. On the other hand, anorexia nervosa was found in girls only more commonly in the areas with higher population density and in the larger schools. These results suggest that higher prevalence of obesity in certain subjects may be associated with increased numbers of leanness but not with anorexia nervosa.

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