Table 1 Study population, basic characteristics at the recruitment (2002-2004)
From: Up-to-date on mortality in COPD - report from the OLIN COPD study
Category | Variable | COPD (n = 993) | No COPD (n = 993) |
|---|---|---|---|
Gender (n) | Men | 543 | 541 |
Women | 450 | 452 | |
Age group, year of birth (n) | -1920 | 113 | 113 |
1921-30 | 146 | 147 | |
1931-40 | 374 | 358 | |
1941-50 | 267 | 282 | |
1951-60 | 73 | 73 | |
1961- | 20 | 20 | |
Smoking (%) | Non smoker | 24.1 | 47.9 |
Ex smoker | 41.5 | 39.6 | |
Smoker | 34.4 | 12.6 | |
BMI (%) | < 20 | 3.9 | 1.6 |
20 - < 25 | 40.8 | 35.6 | |
25 - < 30 | 39.9 | 46.5 | |
≥ 30 | 15.3 | 16.4 | |
Heart disease (%) | Yes | 16.9 | 14.6 |