Canadian guidelines for body weight classification in adults: application in clinical practice to screen for overweight and obesity and to assess disease risk

Since 1985, the number of obese adults in Canada has doubled. 11 According to 2003 data from Statistics Canada (www. statcan. ca/english/freepub/82-221-XIE/00604/tables/html/1228₀3. htm2), 15% of adults are obese (body mass index BMI > 30 kg/m2) and 33% are overweight (BMI 25– 29. 9 kg/ m2)