Table 1.
Baseline characteristics of patients with chronic obstructive pulmonary disease in the e-Vita study.
| Participants | Group 1 (high) | Group 2 (medium) | Group 3 (none) | Total | |||
| Assistance | High n=36 |
Low n=46 |
High n=44 |
Low n=52 |
n=37 | n=215 | |
| Age, years, (IQRa) | 66.3 (61.0-79.2) | 65.6 (61.3-73.4) | 68.7 (64.0-78.3) | 66.8 (60.3-75.1) | 64.1 (61.5-69.2) | 66.6 (61.4-74.7) | |
| Males, n (%) | 19 (52.8) | 32 (69.6) | 17 (38.6) | 24 (46.2) | 20 (54.1) | 112 (52.1) | |
| Education level, n (%) | |||||||
| Low | 4 (28.6) | 8 (38.1) | 5 (22.7) | 8 (42.1) | 7 (53.8) | 32 (36.0) | |
| Medium | 7 (50.0) | 8 (38.1) | 11 (50.0) | 8 (42.1) | 4 (30.8) | 38 (42.7) | |
| High | 3 (21.4) | 5 (23.8) | 6 (27.3) | 3 (15.8) | 2 (15.8) | 19 (21.3) | |
| Questionnaire, median (IQR) | |||||||
| CCQb | 1.0 (0.6-1.9) | 1.2 (0.8-1.6) | 1.3 (0.9-2.1) | 1.4 (1.1-2.1) | 1.3 (0.6-1.8) | 1.2 (0.8-1.9) | |
| MRCc | 1.0 (1.0-3.0) | 1.0 (1.0-2.0) | 2.0 (1.0-3.0) | 2.0 (1.0-2.0) | 1.0 (1.0-1.0) | 1.0 (1.0-2.0) | |
| GSESd | 3.4 (3.1-3.7) | 3.3 (3.0-3.8) | 3.3 (2.8-3.5) | 3.3 (3.1-3.7) | 3.4 (3.3-3.7) | 3.3 (3.0-3.7) | |
| EQ-5De | 0.85 (0.7-1.0) | 0.89 (0.81-1.0) | 0.85 (0.72-1.0) | 0.84 (0.71-1.0) | 0.9 (0.84-1.0) | 0.86 (0.78-1.0) | |
aIQR: interquartile range.
bCCQ: Clinical COPD Questionnaire.
cMRC: Modified Medical Research Council Dyspnea score.
dGSES: Generalized Self-Efficacy Scale.
eEQ-5D: EuroQoL 5-Dimension Questionnaire.