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Table 3. Percentage distribution of body mass index (BMI), by sex and race, household population aged 18 or older, Canada excluding territories (2004) and United States (1999-2002)
  Both sexes Men Women
All races White All races White All races White
Canada
%		 US
%		 Canada
%		 US
%		 Canada
%

US
%

Canada
%		 US
%		 Canada
%		 US
%		 Canada
%		 US
%
Underweight
2.0
2.1
1.7
2.3
1.42
1.22
1.12
1.12
2.5
3.0
2.2
3.51
Normal weight
38.9
34.01
36.6
35.3
33.6
31.4
29.9
30.6
44.1
36.41
43.1
40.0
Overweight (not obese)
36.1
34.3
36.5
33.51
42.0
40.8
43.4
40.9
30.2
28.0
29.9
26.31
Obese Class I
15.2
17.41
16.5
17.2
16.5
17.6
18.3
18.5
14.0
17.21
14.7
15.8
Obese Class II
5.1
7.61
5.6
7.41
4.8
5.8
5.3
5.6
5.5
9.31
5.8
9.21
Obese Class III
2.7
4.71
3.1
4.31
1.6
3.21
1.92
3.31
3.8
6.11
4.2
5.2
Overweight and obese (BMI ≥ 25)
59.1
64.01
61.7
62.4
65.0
67.5
69.0
68.3
53.4
60.61
54.7
56.5
Obese (BMI ≥ 30)
23.1
29.71
25.2
28.91
22.9
26.71
25.5
27.4
23.2
32.61
24.8
30.31
Average BMI
27.0
27.91
27.3
27.71
27.2
27.71
27.6
27.9
26.7
28.11
27.1
27.6
Note: The 1999-2002 NHANES estimates were age-standardized to the 2004 CCHS population.
1. Significantly different from estimate for Canada (p < 0.05)
2. Coefficient of variation between 16.6% and 33.3% (interpret with caution)
Data sources: 2004 Canadian Community Health Survey: Nutrition; 1999-2002 National Health and Nutrition Examination Survey (NHANES)