Table 4 Study of univariate and multivariate association of change in CCQ score from exacerbation to stable state

Type of exacerbation (inpatient vs. outpatient RC)

−1.44

−1.56 to −1.32

<0.001

Gender (men vs. women RC)

−1.27

−1.38 to −1.17

<0.001

BMI

−0.004

−0.008 to −0.0002

<0.001

Smoking (current vs. former-smoker RC)

1.33

1.57 to 1.09

<0.001

Lives with smokers (yes vs. no RC)

1.44

1.12 to 1.75

<0.001

−0.25

−0.44 to −0.06

0.010

Exacerbations previous year

−0.25

−0.28 to −0.22

<0.001

0.04

0.01 to 0.07

0.007

FEV1 (%)

−0.023

−0.043 to 0.003

<0.001

CAT at inclusion

−0.057

−0.06 to −0.05

<0.001

CCQ at inclusion

0.84

0.80 to 0.87

<0.001

−0.46

−0.52 to −0.04

<0.001