|
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 |
|
| Never smoked |
63 (18%) |
| Current smoker |
108 (30%) |
| Ex-smoker |
184 (52%) |
| Educational attainment |
|
| High school or less |
112 (32%) |
| Some college |
151 (43%) |
| College or graduate degree |
92 (26%) |
Eisner et al. Respiratory Research 2007 8:7 doi:10.1186/1465-9921-8-7 |
|