Table 1.
—Sample Characteristics (N = 148)
| Variables | Results |
| Sociodemographics | |
| Age, mean (SD), y | 66.5 (8.8) |
| Female sex | 33 (22) |
| Education | |
| High school or less | 38 (26) |
| Some college or more | 110 (74) |
| Income, USD | |
| < 20,000/y | 68 (47) |
| ≥ 20,000/y | 79 (53) |
| Marital status | |
| Partnered | 79 (53) |
| Unpartnered | 69 (47) |
| Live alone | 37 (25) |
| BMI, mean (SD), kg/m2 | 28.2 (6.4) |
| Disease severity | |
| FEV1/FVC, mean (SD) | 0.44 (0.12) |
| FEV1 % predicted, mean (SD) | 41.7 (15.7) |
| O2 supplementation | 59 (40) |
| ≥ 5 y since COPD diagnosis | 76 (51) |
| Number of comorbidities, mean (SD) | 0.75 (0.91) |
| Physical functioning, mean (SD) | |
| 6MWT, ft | 1,059 (416) |
| Total steps/d | 6,079 (3,718) |
| Psychologic well-being, mean (SD) | |
| HADS-D score, 0-21 | 5.3 (4.0) |
| HADS-A score, 0-21 | 5.5 (4.1) |
| Symptoms, mean (SD) | |
| Shortness of Breath Questionnaire score, 0-120 | 28.5 (17.7) |
Data given as No. (%) unless otherwise indicated. 6MWT = 6-min walk test; HADS = Hospital Anxiety and Depression Scale; HADS-A = Hospital Anxiety and Depression Scale-Anxiety; HADS-D = Hospital Anxiety and Depression Scale-Depression; O2 = oxygen; USD = US dollars.