Table 1.
Descriptive statistics among men and women from Malmo Preventive Project (MPP)
| Total population (N = 3495) |
Men (N = 3330) |
Women (N = 165) |
|
|---|---|---|---|
| Age (years) | 46.4 ± 5.4 | 46.4 ± 5.3 | 49.4 ± 7.2 |
| Birth characteristics | |||
| Birth weight (gram) | 3529.6 ± 547.2 | 3537.3 ± 546 | 3373.8 ± 549.6 |
| Birth weight (z-score) | 0.11 ± 2.9 | 0.13 ± 2.9 | − 0.15 ± 1.3 |
| Birth length (cm) | 51.6 ± 2.5 | 51.6 ± 2.5 | 51.5 ± 2.9 |
| Gestational age (days) | 279 ± 16 | 279.3 ± 16.4 | 275.2 ± 13.8 |
| Education n (%) | |||
| Primary school | 746 (21.5) | 702 (43.2) | 44 (39.6) |
| Secondary school | 423 (12.2) | 403 (24.8) | 20 (18.1) |
| Higher level | 568 (16.3) | 521 (32) | 47 (42.3) |
| Missing | 1738 (50) | ||
| History of smoking n (%) | |||
| Yes | 1494 (42.7) | 1442 (43.3) | 52 (33.8) |
| No | 1990 (56.9) | 1888 (56.7) | 102 (66.2) |
| Missing | 11(0.3) | 0 | 11 |
| Adult antropometry | |||
| Body mass index (kg/m2) | 24.8 ± 3.2 | 24.8 ± 3.2 | 24.1 ± 4.6 |
| Lung function spirometry | |||
| FEV1 (l per 1 s) | 3.4 ± 0.7 | 3.4 ± 0.7 | 2.7 ± 0.5 |
| FEV1 (z-score) | − 1.07 ± 1.2 | − 1.07 ± 1.2 | − 0.6 ± 1.2 |
| FVC(l) | 4.4 ± 0.9 | 4.5 ± 0.9 | 3.4 ± 0.6 |
| FVC (z-score) | − 0.88 ± 1.2 | − 0.88 ± 1.2 | − 0.7 ± 1.1 |
| FEV1/FVC (%) | 76.9 ± 8.8 | 76.8 ± 8.8 | 81.4 ± 8.7 |
| FEV1/FVC (z-score) | − 0.37 ± 1.3 | − 0.38 ± 1.3 | 0.18 ± 1.4 |
Mean (SD) and proportions; frequency and percentage. FEV1- forced expiratory volume in one second; FVC- forced vital capacity; FEV1/FVC- ratio of FEV1 by FVC