Cross sectional study: selected characteristics of participants (the Aerobics Center Longitudinal Study, 1971–1995)
| Characteristic | Men (n = 19150) | Women (n = 5386) |
|---|---|---|
| Values are mean (SD) or number (%). Levels of physical activity were high (>20 miles a week), moderate (10–20 miles a week), low (<20 miles a week), other than running, and none (sedentary). | ||
| MTT, Maximal treadmill test; FEV1, forced expiratory volume in the first second; FVC, forced vital capacity; BMI, body mass index. | ||
| MTT (min) | 17.80 (4.96) | 12.88 (4.57 |
| FEV1 (litres) | 3.89 (0.67) | 2.80 (0.50) |
| FVC (litres) | 4.99 (0.79) | 3.51 (0.56) |
| FEV1/FVC% (%) | 78.25 (7.61) | 79.82 (8.15) |
| Age (years) | 40.86 (7.33) | 40.47 (7.77) |
| Height (cm) | 178.95 (6.37) | 164.41 (5.98) |
| Weight (kg) | 83.89 (13.22) | 60.81 (10.96) |
| BMI | 26.16 (3.69) | 22.50 (4.02) |
| Physical activity | ||
| High | 987 (5.15%) | 193 (3.58%) |
| Moderate | 1897 (9.91%) | 482 (8.95%) |
| Low | 3868 (20.20%) | 1,158 (21.50%) |
| Other | 209 (1.09%) | 100 (1.86%) |
| Sedentary | 12189 (63.65%) | 3453 (64.11%) |
| Current smoking | ||
| Yes | 3988 (20.83%) | 745 (13.83%) |
| No | 15162 (79.17%) | 4641 (86.17%) |
| Current drinking | ||
| Yes | 14103 (73.64%) | 3414 (63.39%) |
| No | 5047 (26.36%) | 1972 (36.61%) |