Association between maternal smoking during and after pregnancy and children’s lung function at 21 years (females only)
| Maternal smoking | Lung function tests | |||||
| FVC (litre) | FEV1 (litre) | FEF25–75 (litre/s) | ||||
| Univariate | Multivariate | Univariate | Multivariate | Univariate | Multivariate | |
| First clinic visit | −0.013 (0.03) | −0.024 (0.07) | −0.023 (0.03) | −0.037 (0.05) | −0.066 (0.05) | −0.076 (0.10) |
| 6 months | −0.002 (0.03) | 0.028 (0.06) | −0.007 (0.03) | 0.042 (0.05) | −0.057 (0.05) | 0.016 (0.10) |
| 5 years | −0.023 (0.04) | −0.026 (0.06) | −0.022 (0.03) | −0.004 (0.05) | −0.029 (0.05) | 0.058 (0.10) |
| 14 years | 0.001 (0.04) | 0.022 (0.06) | −0.023 (0.03) | −0.021 (0.05) | −0.066 (0.05) | −0.077 (0.09) |
Values are regression coefficients (SE).
FVC, forced vital capacity; FEF25–75, forced expiratory flow between 25% and 75%; FEV1, forced expiratory volume in 1 s.