FEV1, FVC values, adjusted for age, height, weight, current smoking status, Depcat, and childhood group according to quintiles of corrected birth weight score*
| Men (n = 163) | Women (n = 160) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | FEV1 | Difference (95% CI) | FVC | Difference (95% CI) | n | FEV1 | Difference (95% CI) | FVC | Difference (95% CI) | |
| Forced expiratory volume in 1 second (FEV1) and forced vital capacity (FVC) values are shown as mean. | ||||||||||
| Corrected birth weight score (quintiles) | ||||||||||
| Lowest 20% | 31 | 3.19 | 4.39 | 33 | 2.25 | 3.04 | ||||
| 21–40% | 35 | 3.25 | 0.06 (−0.11 to 0.23) | 4.51 | 0.12 (−0.10 to 0.33) | 30 | 2.46 | 0.19 (0.07 to 0.35) | 3.27 | 0.23 (0.08 to 0.38) |
| 41–60% | 26 | 3.24 | 0.05 (−0.13 to 0.24) | 4.53 | 0.14 (−0.09 to 0.37) | 32 | 2.38 | 0.14 (−0.01 to 0.26) | 3.19 | 0.15 (0.01 to 0.30) |
| 61–80% | 39 | 3.33 | 0.14 (−0.03 to 0.31) | 4.63 | 0.24 (0.03 to 0.45) | 33 | 2.45 | 0.19 (0.06 to 0.33) | 3.27 | 0.23 (0.09 to 0.38) |
| Highest 20% | 32 | 3.35 | 0.16 (−0.01 to 0.34) | 4.65 | 0.26 (0.04 to 0.48) | 32 | 2.41 | 0.16 (0.02 to 0.30) | 3.24 | 0.20 (0.05 to 0.34) |
| β coefficient | 0.16 | 0.20 | 0.16 | 0.19 | ||||||
| p for trend | 0.04 | 0.01 | 0.04 | 0.02 | ||||||
| Adjusted for maternal smoking | ||||||||||
| β coefficient* | 0.16 | 0.27 | 0.25 | 0.20 | ||||||
| p for trend* | 0.04 | 0.01 | <0.01 | <0.01 | ||||||