Table 5.

Association of explanatory factors with lung function decline from Max_0-2.5 to follow-up in multiple linear regression.

Variable	Estimate (∆ml)	95% Confidence Interval	p-value
(Constant)	−22.39	−69.16 to 24.39	0.346
Physical activity over 240 min/day	17.90	8.00 to 27.80	<0.001
Sex (female)	13.12	3.08 to 23.16	0.011
Age at follow-up	−0.23	−0.59 to 0.13	0.209
BMI at follow-up	−1.01	−2.02 to −0.01	0.048
Not a daily ICS user at follow-up	1.40	−10.15 to 12.95	0.811
Atopy	−11.38	−21.72 to −1.04	0.031
Ever smoker at follow-up	−1.97	−11.70 to 7.76	0.690

n = 173 (outliers: n = 7, missing data: n = 21), BMI: body mass index, ICS: inhaled corticosteroid.