Table 4
Adjusted odds ratios relating television viewing, computer use, physical activity level, and fruit and vegetable consumption to obesity, by sex, household population aged 20 to 64 years, Canada, 2007

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  Obese (body mass index ≥ 30 kg/m2)
Men Women
Adjusted odds ratio 95% confidence interval Adjusted odds ratio 95% confidence interval
Television viewing (hours per week)
5 or fewer† 1.0 … 1.0 …
6 to 10 1.2* 1.0 to 1.5 1.4* 1.2 to 1.6
11 to 14 1.3* 1.1 to 1.6 1.3* 1.1 to 1.6
15 to 20 1.8* 1.4 to 2.1 1.6* 1.3 to 2.0
21 or more 1.8* 1.5 to 2.1 1.7* 1.4 to 2.0
Computer use (hours per week)
5 or fewer† 1.0 … 1.0 …
6 to 10 1.2* 1.1 to 1.5 1.3* 1.1 to 1.5
11 or more 1.2* 1.0 to 1.4 1.4* 1.1 to 1.6
Leisure-time physical activity level‡
Active (3 or more KKD)† 1.0 … 1.0 …
Moderately active (1.5 to 2.9 KKD) 1.2* 1.0 to 1.4 1.5* 1.2 to 1.7
Inactive (Less than 1.5 KKD) 1.4* 1.2 to 1.7 2.3* 2.0 to 2.7
Daily fruit and vegetable consumption
Less than 3 times 1.0 0.9 to 1.3 1.0 0.9 to 1.2
3 to less than 5 times 1.0 0.9 to 1.2 0.9 0.8 to 1.1
5 or more times† 1.0 … 1.0 …
† reference category
‡ includes time spent walking or bicycling to work/school
* significantly different from estimate for reference category (p < 0.05)
Notes: Adjusted for age group, marital status, education, household income, population size of place of residence, immigrant status, and variables in this table. KKD is kilocalories per kilogram per day.
Source: 2007 Canadian Community Health Survey.