Geometric mean values of (CC16/creatinine) (μg/g) adjusted for all variables listed in the table, and centre, age, body mass index, and level of spirometric lung function (as FEV1/FVC)
| Yes | No | p value* | |
|---|---|---|---|
| *Between the two groups. | |||
| Female | 4.2 | ||
| Male | 9.4 | 0.01 | |
| Having asthma | 3.9 | 10.2 | 0.04 |
| Having COPD | 7.3 | 5.6 | 0.59 |
| History of myocardial infarction | 6.3 | 6.4 | 0.99 |
| Current exposure to environmental tobacco smoke at home | 5.0 | 7.9 | 0.22 |
| Being ex-smoker | 5.3 | 7.6 | 0.19 |