Table 3.

Multivariable analysis for increased dyspnea

	OR (95% CI)	p value	OR adjusted (95% CI)	p value
Change atmospheric pressure	1.000 (0.996–1.005)	0.862	1.001 (0.996–1.005)	0.7
Age	0.990 (0.983–0.997)	0.004	0.988 (0.980–0.996)	0.002
Sex
Woman	Reference
Men	1.054 (0.913–1.217)	0.5	1.083 (0.917–1.279)	0.3
Smoking currently
No	Reference
Yes	2.306 (1.924–2.763)	< 0.001	1.887 (1.525–2.334)	< 0.001
Asthma
No	Reference
Yes	1.964 (1.618–2.384)	< 0.001	1.526 (1.198–1.944)	0.001
COPD
No	Reference
Yes	2.271 (1.715–3.007)	< 0.001	1.248 (0.874–1.782)	0.2
Heart attack
No	Reference
Yes	1.019 (0.733–1.418)	0.9	0.859 (0.578–1.275)	0.5
mMRC ≥ 2
No	Reference
Yes	3.819 (3.027–4.818)	< 0.001	3.643 (2.713–4.890)	< 0.001
Reduced lung function
No	Reference
Yes	2.067 (1.727–2.474)	< 0.001	0.118 (1.022–1.604)	0.03
Airway infection visit 2
No	Reference
Yes	6.860 (5.865–8.024)	< 0.001	6.858 (5.777–8.141)	< 0.001