Table 1
Body mass index (BMI) classification for individuals aged 3 to 17 and 18 to 19 years
Classification | Aged 3 to 17 years: percentile | Aged 18 or 19 years: BMI value |
---|---|---|
Underweight | 5th percentile and below | Less than 18.50 |
Normal range | 6th percentile up to and including the 85th percentile | 18.50 to 24.99 |
Overweight | 86th percentile up to and including the 94th percentile | 25.00 to 29.99 |
Obesity | 95th percentile and above | 30.00 or higher |
Sources: Centers for Disease Control and Prevention (ages 3 to 17 years), Health Canada (ages 18 and 19 years). BMI for children and youth aged 3 to 17 years: BMI growth charts developed by the Centers for Disease Control and Prevention in the United States. (Ogden CL, Flegal KM. Changes in terminology for childhood overweight and obesity. National Health Statistics Report 2010; (25): 1-5.). BMI for respondents aged 18 or 19: Health Canada’s Canadian Guidelines for Body Weight Classification in Adults. (Health Canada. Canadian guidelines for body weight classification in adults. Ottawa: Health Canada, 2003. Adapted from: Obesity: Preventing and managing the global epidemic. Report of a WHO consultation. Geneva: World Health Organization, 1999. Available at: www.canada.ca/en/health-canada/services/food-nutrition/healthy-eating/healthy-weights/canadian-guidelines-body-weight-classification-adults/body-mass-index-nomogram.html.) |
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