Factor | Coefficient | 95% CI | P-value |
---|---|---|---|
Sociodemographic | |||
Age in yeara | −0.001 | (− 0.002,0.001) | 0.289 |
Male | 0.037 | (0.006,0.069) | 0.019 |
Education (University or above) | |||
Primary or below | 0.022 | (−0.012,0.057) | 0.206 |
Middle School | 0.037 | (0.002,0.073) | 0.039 |
High School | 0.039 | (0.002,0.075) | 0.037 |
Occupation (Others) | |||
Retired | −0.006 | (−0.035,0.022) | 0.665 |
Working | 0.018 | (−0.007,0.042) | 0.153 |
Current smoker | −0.006 | (−0.023,0.012) | 0.516 |
Years since first smoking | −0.001 | (−0.002,0.001) | 0.348 |
Cigarettes per day (Heavy) | |||
Light | 0.013 | (−0.009,0.034) | 0.257 |
Moderate | 0.001 | (−0.017,0.019) | 0.936 |
Clinical | |||
Underweight or normal, BMI < 23 kg/m2 | −0.003 | (−0.021,0.014) | 0.718 |
Number of chronic diseases | 0.004 | (−0.006,0.014) | 0.450 |
Pulmonary Symptoms in BCSS scorea | − 0.018 | (−0.025,-0.011) | < 0.001 |
Airway obstruction | 0.010 | (−0.013,0.032) | 0.393 |