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The total population of 15-year-olds in Göteborg, Sweden, were screened in 1985 for anorexia nervosa using brief questionnaires, growth charts and individual school nurse reports. An accumulated frequency of anorexia of 0.84% for girls up to and including 15 years of age was obtained, with 85% of the cases fulfilling DSM-III-R criteria. Boys were affected just over one-tenth as often as girls. The frequency of anorexia nervosa appeared to be much higher in private than in comprehensive schools. The peak age of onset seemed to be 14 years.
Råstam et al. (Wed,) studied this question.
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