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. 2014 Mar 3;2(1):E18–E26. doi: 10.9778/cmajo.20130016

Table 3: National and provincial prevalence (%) of body mass index categories in adults (≥ 18 yr), and percentage changes for 2000/01 and 2011, by age (yr).

BMI category,* year, age Provincial
National
NL PEI NS NB QC ON MB SK AB BC
Normal











2000/2001











18–39
44.3
46.2
49.2
47.8
59.9
54.6
52.4
50.0
53.4
58.5
55.4
40–59
33.7
36.3
37.0
37.6
47.2
42.3
39.9
38.1
42.6
50.2
44.0
≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2011











18–39
32.3
58.9
46.5
46.9
56.1
53.5
47.0
47.2
52.6
60.5
54.0
40–59
28.1
34.9
31.3
35.8
42.5
41.2
37.1
34.6
39.4
47.4
41.2
≥ 60
30.0
33.0
34.2
33.1
41.5
38.9
34.2
33.2
40.3
44.0
39.6
% change 18–39
–27.1
27.5
–5.5
–1.9
–6.3
–2.0
–10.3
–5.6
–1.5
3.4
–2.5
% change 40–59
–16.6
–3.9
–15.4
–4.8
–10.0
–2.6
–7.0
–9.2
–7.5
–5.6
–6.4
% change ≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Overweight











2000/2001











18–39
33.9
35.5
30.6
32.5
25.7
28.8
30.0
31.7
29.5
26.7
28.3
40–59
42.6
41.1
37.7
36.5
36.2
37.8
38.3
37.3
37.1
33.7
36.8
≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2011











18–39
34.7
23.8
34.2
27.7
39.5
41.8
48.7
50.9
43.5
35.0
41.8
40–59
45.7
37.3
37.5
34.9
55.6
57.7
62.5
63.9
59.5
50.8
57.5
≥ 60
44.1
41.7
41.5
41.6
56.5
59.8
65.3
65.6
58.0
54.1
58.9
% change 18–39
2.4
–33.0
11.8
–14.8
53.7
45.1
62.3
60.6
47.5
31.1
47.7
% change 40–59
7.3
–9.2
–0.5
–4.4
53.6
52.6
63.2
71.3
60.4
50.7
56.3
% change ≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Obese











2000/2001











18–39
20.1
16.5
17.8
17.6
10.5
12.6
15.9
15.0
13.8
10.1
12.5
40–59
23.0
22.3
24.5
24.6
14.5
18.2
20.9
23.8
19.3
14.3
17.8
≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2011











18–39
32.1
17.1†
16.2
21.6
13.4
14.1
16.6
17.7
15.3
10.8
14.3
40–59
25.9
27.4
30.8
28.0
19.4
22.1
27.5
25.5
22.9
17.2
21.7
≥ 60
25.5
25.0
22.5
25.0
17.8
19.6
20.8
23.8
21.1
15.6
19.3
% change 18–39
59.7
3.6%†
–9.0
22.7
27.6
11.9
4.4
18.0
10.9
6.9
14.4
% change 40–59
12.6
22.9
25.7
13.8
33.8
21.4
31.6
7.1
18.7
20.3
21.9
% change ≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Obese class l











2000/2001











18–39
14.3
11.6
11.8
12.4
7.7
9.3
11.9
10.2
9.9
7.7
9.2
40–59
17.6
17.1
17.4
18.6
11.0
13.4
13.9
17.1
14.9
10.6
13.0
≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2011











18–39
25.2
12.2
10.8†
11.8
10.4
9.6
11.1
11.1
11.5
7.5
10.1
40–59
16.3
21.3†
19.2
18.2
15.2
14.9
19.9
19.6
15.2
12.7
15.2
≥ 60
21.3
19.6
16.2
18.3
14.0
14.7
14.6
17.5
14.8
12.3
14.6
% change 18–39
76.22
5.17
–8.47†
–4.84
35.06
3.23
–6.72
8.82
16.16
–2.60
9.78
% change 40–59
–7.39
24.56†
10.34
–2.15
38.18
11.19
43.17
14.62
2.01
19.81
16.92
% change ≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
Obese class ll











2000/2001











18–39
4.5†
3.1†
4.0†
3.6†
2.1
2.3
2.7
3.4
3.0
1.6
2.4
40–59
3.7
3.7†
5.4
3.9
2.6
3.4
4.9
5.2
2.8
2.7
3.2
≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2011











18–39
4.7†
—‡
3.7†
6.0†
1.9†
3.0
3.4†
4.1†
2.6†
1.7†
2.7
40–59
5.7†
—‡
8.5
7.7†
2.9†
5.2
4.5†
3.8†
6.0†
3.7†
4.7
≥ 60
—‡
—‡
4.4†
3.9†
2.5
3.5
4.2†
5.4†
5.1
2.1
3.3
Obese class lll











2000/2001











18–39
1.3†
—‡
2.1†
1.7†
—‡
1.0
1.3†
1.4†
0.9†
0.8†
1.0
40–59
1.8†
1.5†
1.8†
2.0†
0.9†
1.5
2.0†
1.5†
1.6
1.0
1.3
≥ 60
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
2011











18–39
—‡
—‡
1.8
3.9†
1.1†
1.5†
—‡
2.5†
1.2†
1.6†
1.5
40–59
—‡
—‡
3.1†
—‡
1.3†
2.0
3.0†
2.2†
1.8†
0.9†
1.8
≥ 60 —‡ —‡ —‡ 2.7† 1.2† 1.4† 2.0† —‡ 1.3† —‡ 1.4

Note: BMI = body mass index, NA = not applicable. 
Data source: Statistics Canada, Canadian Community Health Survey, Share File, 2000/01 (20–64 years), 2003, 2005, 2007–2008, 2009–2010, and 2011 for 18+ years (compiled by the Newfoundland and Labrador, Centre for Health Information).
*BMI categories: normal (BMI 18.5–24.9), overweight (BMI 25.0–29.9), obese (BMI ≥ 30.0), obese class I (BMI 30.0–34.9), obese class II (BMI 35.0–39.9) and obese class III (BMI ≥ 40.0).
†Data with a coefficient of variation from 16.6%–33.3% should be interpreted with caution. 
‡Data suppressed because of extreme sampling variation.