TABLE 2.
Proportions of demographic characteristics among obese individuals and nonobese individuals with chronic obstructive pulmonary disease (COPD) and without COPD, plus adjusted odds ratios for obesity among individuals with COPD and without COPD, using the 2005 Canadian Community Health Survey
| COPD | Non-COPD | |||||
|---|---|---|---|---|---|---|
|
|
|
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| Variable | Obese (n=858) | Nonobese (n=2611) | Adjusted* OR (95% CI) for obesity | Obese (n=15,781) | Nonobese (n=76,456) | Adjusted* OR (95% CI) for obesity |
| Sex | ||||||
| Male | 39.6 | 45.9 | 1.00 | 53.9 | 49.1 | 1.00 |
| Female | 60.4 | 54.1 | 1.23 (1.01–1.50) | 46.1 | 50.9 | 0.82 (0.78–0.87) |
| Age, years | ||||||
| 40–49† | 24.4 | 18.8 | 1.00 | 47.9 | 51.2 | 1.00 |
| 50–59 | 27.8 | 22.1 | 0.85 (0.61–1.19) | 25.5 | 21.2 | 1.23 (1.14–1.32) |
| 60–69 | 26.2 | 22.4 | 0.70 (0.50–0.97) | 15.9 | 13.8 | 1.04 (0.96–1.13) |
| 70–79 | 15.5 | 23.0 | 0.34 (0.24–0.50) | 8.2 | 9.3 | 0.73 (0.67–0.80) |
| ≥80 | 6.2 | 13.7 | 0.22 (0.14–0.35) | 2.4 | 4.5 | 0.42 (0.36–0.48) |
| Region of residence | ||||||
| Atlantic Canada | 11.6 | 9.5 | 1.21 (0.89–1.64) | 10.5 | 6.8 | 1.25 (1.16–1.34) |
| Quebec | 24.3 | 25.2 | 1.02 (0.77–1.36) | 22.1 | 24.9 | 0.76 (0.70–0.83) |
| Ontario | 34.9 | 38.9 | 1.00 | 38.4 | 38.8 | 1.00 |
| Western Canada | 29.0 | 26.1 | 1.24 (0.97–1.59) | 28.7 | 29.3 | 0.94 (0.89–1.01) |
| Territories | 0.2 | 0.2 | 1.64 (0.68–3.98) | 0.4 | 0.2 | 1.65 (1.41–1.93) |
| Race | ||||||
| White | 94.3 | 91.7 | 1.00 | 89.9 | 84.7 | 1.00 |
| Visible minority | 5.7 | 8.3 | 0.63 (0.39–1.01) | 10.1 | 15.3 | 0.78 (0.69–0.87) |
| Immigrant | ||||||
| Yes | 12.8 | 19.4 | 0.66 (0.46–0.94) | 16.8 | 24.6 | 0.67 (0.61–0.74) |
| No | 87.2 | 80.6 | 1.00 | 83.2 | 75.5 | 1.00 |
| Total household income/year, $ | ||||||
| <50,000 | 65.9 | 63.8 | 1.29 (0.92–1.80) | 40.5 | 37.8 | 1.07 (1.00–1.15) |
| 50,000–79,999 | 18.4 | 20.1 | 1.00 | 28.0 | 26.8 | 1.00 |
| ≥80,000 | 15.7 | 16.1 | 0.85 (0.59–1.23) | 31.5 | 35.4 | 0.84 (0.78–0.90) |
| Education level | ||||||
| <Secondary | 35.6 | 37.0 | 0.87 (0.58–1.30) | 22.2 | 16.8 | 1.33 (1.19–1.49) |
| Some secondary | 13.7 | 15.0 | 0.70 (0.45–1.09) | 15.8 | 15.4 | 0.94 (0.84–1.06) |
| Some postsecondary | 6.5 | 5.7 | 1.00 | 7.6 | 6.1 | 1.00 |
| Complete postsecondary | 44.2 | 42.3 | 0.76 (0.52–1.11) | 54.5 | 61.6 | 0.83 (0.75–0.91) |
| Smoking status | ||||||
| Current smoker | 26.5 | 34.4 | 0.47 (0.34–0.65) | 18.5 | 21.9 | 0.76 (0.70–0.82) |
| Former smoker | 55.6 | 49.6 | 1.00 (0.75–1.33) | 51.3 | 44.4 | 1.14 (1.07–1.21) |
| Never smoker | 17.9 | 16.0 | 1.00 | 30.2 | 33.7 | 1.00 |
Data presented as % unless otherwise indicated.
*
Regression equation included all of the variables listed;
†
This reference age group includes 30- to 49-year-olds for non-COPD only