Table 1 Baseline characteristics of 355 adult patients with COPD in the FLOW cohort study
Characteristic | N (%) or Mean (sd) |
|---|---|
Age (years) | 58 (6.2) |
Sex (female) | 212 (60%) |
Race (white, non-hispanic) | 229 (64%) |
Smoking history | Â |
Never smoked | 63 (18%) |
Current smoker | 108 (30%) |
Ex-smoker | 184 (52%) |
Educational attainment | Â |
High school or less | 112 (32%) |
Some college | 151 (43%) |
College or graduate degree | 92 (26%) |