Table 3 Risk ratio of early life risk factors for developing pulmonary function test trajectories
Variables | Male participants | Female participants | ||||||
|---|---|---|---|---|---|---|---|---|
Low FVC-trajectory (n = 661) | Low FEV1-trajectory (n = 501) | Low FEV1/FVC trajectory (n = 480)a | Low and medium FEF25–75% trajectories (n = 480) | Low FVC-trajectory (n = 654) | Low FEV1-trajectory (n = 468)a | Low FEV1/FVC trajectory (n = 733) | Low and medium FEF25–75% trajectories (n = 542) | |
Risk Ratio (95% CI) | Risk Ratio (95% CI) | Risk Ratio (95% CI) | Odds Ratios (95%CI) | Risk Ratio (95% CI) | Risk Ratio (95% CI) | Risk Ratio (95% CI) | Odds Ratios (95%CI) | |
Birth weight (change in risks/odds per kilogram) | 0.87 (0.78, 0.96) | 0.87 (0.78, 0.97) | 0.71 (0.52, 0.98) | Low vs. high: 0.27 (0.13, 0.55) medium vs. high 0.36 (0.18, 0.75) | 0.78 (0.70, 0.86) | 0.69 (0.57, 0.83) | – | Low vs. high: 0.48 (0.29, 0.8) medium vs. high 0.73 (0.47, 1.14) |
Duration of breastfeeding (change in risks/odds per week) | 0.995 (0.991, 0.999) | – | – | – | – | |||
Eczema in the first year of life | – | – | – | – | 1.35 (1.12, 1.63) | 1.39 (1.11, 1.75) | 1.66 ¥ (1.001–2.77) | Low vs. high: 3.55 (1.36, 9.26) medium vs. high 1.6 (0.63, 4.03) |
Skin prick test positivity at age 4 | – | – | 1.64 (1.14–2.36) | – | 1.32 (1.07, 1.63) | – | ||
Asthma at four 4 of age | – | 1.15 (1.01, 1.32) | 1.68 (1.17, 2.43) | – | – | |||