Number of participants | 2633 | 2442 | 1346 | 1301 |
Men, N (%) | 1312 (50) | 1224 (50) | 668 (50) | 647 (50) |
Mean (SD) age (years) | 44.4 (13.6) | 44.7 (13.5) | 56.1 (12.4) | 56.1 (12.3) |
Mean (SD) height (m) | 1.68 (0.1) | 1.68 (0.1) | 1.68 (0.1) | 1.68 (0.1) |
Mean (SD) BMI (kg/m2) | 25.5 (4.0) | 25.5 (4.0) | 26.8 (4.4) | 26.8 (4.4) |
n = 2614 | n = 2425 | | |
Smoking status, N (%) | | | | |
Never | 1306 (50) | 1201 (49) | 680 (51) | 654 (50) |
Ex | 730 (28) | 681 (28) | 510 (38) | 494 (38) |
Current | 597 (23) | 560 (23) | 156 (12) | 153 (12) |
Mean (SD) FEV1 (l) | 3.19 (0.92) | 3.18 (0.93) | 2.84 (0.85) | 2.84 (0.85) |
| | N = 1343 | N = 1298 |
Mean (SD) FEV1 in 1991 (l) | – | – | 3.2 (0.84) | 3.18 (0.85) |
Mean (SD) FVC (l) | 3.94 (1.08) | 3.94 (1.08) | 3.67 (1.01) | 3.67 (1.01) |
| | N = 1342 | N = 1297 |
Mean (SD) FVC in 1991 (l) | – | – | 3.94 (1.00) | 3.94 (1.01) |
Wheeze in past 12 months, n (%) | 632 (24) | 596 (24) | 343 (25) | 271 (21) |
Median (IQR) CRP (mg/l) | – | 1.14 (0.55–2.42) | – | 1.69 (0.80–3.79) |
Response in 2000 by deciles of CRP in 1991 (% total) | | | | |
1 | | | 116 (9.4) |
2 | | | 129 (10.4) |
3 | | | 123 (10.0) |
4 | | | 132 (10.7) |
5 | | | 125 (10.1) |
6 | | | 133 (10.8) |
7 | | | 129 (10.4) |
8 | | | 125 (10.1) |
9 | | | 115 (9.3) |
10 | | | 107 (8.7) |