Outcomes | Model 1 β, (95% CI) | Model 2 β, (95% CI) | Model 3 β, (95% CI) |
---|---|---|---|
WWI | 0.003 (0.002, 0.004) | 0.021 (0.019, 0.022) | 0.016 (0.015, 0.017) |
Quartiles of asthma duration (years) | |||
 Q1 (0–9) | Reference | Reference | Reference |
 Q2 (10–19) | − 0.048 (− 0.097, 0.001) | 0.157 (0.110, 0.204) | 0.122 (0.078, 0.166) |
 Q3 (20–38) | − 0.126 (− 0.173, − 0.079) | 0.337 (0.286, 0.388) | 0.270 (0.222, 0.319) |
 Q4 (39–79) | 0.125 (0.077, 0.172) | 0.868 (0.808, 0.928) | 0.641 (0.580, 0.702) |
P for trend |  < 0.01 |  < 0.01 |  < 0.01 |
BMI (kg/m2) | − 0.006 (− 0.016, 0.003) | − 0.031 (− 0.045, − 0.018) | − 0.098 (− 0.112, − 0.085) |
Quartiles of asthma duration (years) | |||
 Q1 (0–9) | Reference | Reference | Reference |
 Q2 (10–19) | − 0.994 (− 1.516, − 0.472) | − 1.252 (− 1.786, − 0.719) | − 1.626 (− 2.121, − 1.130) |
 Q3 (20–38) | − 0.434 (− 0.934, 0.067) 0.08929 | − 1.315 (− 1.896, − 0.735) | − 2.160 (− 2.706, − 1.613) |
 Q4 (39–79) | − 0.501 (− 1.008, 0.006) | − 1.794 (− 2.482, − 1.106) | − 4.705 (− 5.393, − 4.017) |
P for trend |  < 0.01 |  < 0.01 |  < 0.01 |