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Table 5 Overweight and obesity prevalence by gender in Hong Kong children and adolescents using different cut-offs, for data from 1993 and 2006

From: Secular changes in height, weight and body mass index in Hong Kong Children

  Boys Girls Total
  1993 2005/6 1993 2005/6 1993 2005/6
International Obesity Task Force cut-offs[9]
Overweight only (equivalent to adult BMI 25–30) 10.4% 15.8% 7.7% 10.1% 9.0% 13.0%
Obese only (equivalent to adult BMI >= 30) 3.4% 5.1% 1.8% 2.4% 2.6% 3.7%
Overweight and obesity (equivalent to adult BMI >= 25) 13.8% 20.9% 9.5% 13.5% 11.6% 16.7%
Overweight and obese defined as >= 120% median weight-for-height
Total sample 12.0% 17.4% 9.4% 11.0% 10.7% 14.2%
Sub-sample of students reporting attendance to Student Health Service during previous year (n = 8199) (see text) - 18.1% - 10.7% - 14.4%
Student Health Service estimate * - - - - - 18.4%
Percentiles based on 1993 data
>= 85 th percentile 16.7% 25.2% 16.7% 20.6% 16.7% 22.9%
>= 95 th percentile 7.7% 11.8% 6.6% 8.4% 7.1% 10.1%
  1. * KH Mak, Student Health Service, Department of Health, Personal Communication