Table 1.
Demographic and Clinical Characteristics of the Sample
| N (%) | Variable |
|---|---|
| Gender | |
| 212 (53.9) | Male |
| 181 (46.1) | Female |
| Age | |
| 86 (21.8) | Less than 60 |
| 74 (18.8) | 60 to 64 |
| 92 (23.4) | 65 to 69 |
| 71 (18.0) | 70 to 74 |
| 71 (18.0) | 75 or more |
| Race/ethnicity | |
| 352 (89.3) | Caucasian non-Hispanic |
| 16 (4.1) | Black non-Hispanic |
| 22 (5.6) | Hispanic |
| 4 (1.0) | Other |
| Education | |
| 36 (9.2) | Some high school or less |
| 99 (25.4) | High school graduate |
| 158 (40.5) | Some college or technical school |
| 97 (24.9) | College graduate |
| Income | |
| 105 (27.9) | Less than $15,000 |
| 44 (11.7) | Between $15,001 and $25,000 |
| 64 (17.0) | Between $25,001 and $35,000 |
| 52 (13.8) | Between $35,001 and $50,000 |
| 53 (14.1) | Between $50,001 and $75,000 |
| 59 (15.6) | $75,001 or more |
| Using oxygen for COPD | |
| 136 (35.1) | No |
| 252 (64.9) | Yes |
| M (SD) | Variable |
| 26.9 (5.9) | Body mass index |
| 1.7 (1.1) | Number of comorbid conditions |
| 55.4 (27.5) | Pack-years |
| 6.2 (4.9) | Number of years had COPD |
| 3.4 (1.9) | Number of medications for COPD |