Table 2 Characteristics of Veterans with COPD who volunteered for PA studies
From: Pain in Veterans with COPD: relationship with physical activity and exercise capacity
| Â | Group 1 Exposed to web-based PA intervention | Group 2 Unexposed to web-based PA intervention | Combined cohorts | P-value |
|---|---|---|---|---|
N | 111 | 262 | 373 | Â |
Age—year (SD) | 69 (8) | 71 (8) | 70 (8) | 0.0545 |
Male gender—no. (%) | 108 (97) | 256 (98) | 364 (98) | 0.8123 |
White race—no. (%) | 103 (93) | 243 (93) | 346 (93) | 0.8984 |
Married no. (%) | 52 (47) | 129 (49) | 181 (49) | 0.5047 |
BMI—kg/m2 (SD) | 30 (6) | 29 (6) | 29 (6) | 0.0871 |
Pack-years (SD) (n = 369) | 58 (35) | 64 (39) | 62 (38) | 0.1403 |
FEV1% predicted—avg (SD) (n = 367) | 62 (21) | 58 (21) | 59 (21) | 0.0833 |
Supplemental oxygen use—no. (%) | 22 (20) | 60 (23) | 82 (22) | 0.5341 |
MMRC—no. (%) | 0.1957 | |||
 0–2 | 74 (67) | 156 (60) | 230 (62) | |
 3–4 | 37 (33) | 106 (40) | 143 (38) | |
6MWT distance—meters (SD) | ||||
 Baseline | 380.54 (89.61) | 373.75 (98.57) | 375.77 (95.93) | 0.5327 |
 3 months (n = 283) | 385.50 (95.65) | 377.70 (102.60) | 380.48 (100.06) | 0.5298 |
 ∆ 6MWT (n = 283) | 0.47 (47.61) | 0.17 (44.33) | 0.28 (45.44) | 0.9576 |
Daily step counts—steps (SD) | ||||
 Baseline | 3296 (2361) | 3112 (2367) | 3167 (2364) | 0.4927 |
 3 months (n = 275) | 4024 (2479) | 3054 (2302) | 3403 (2408) | 0.0013* |
 ∆ steps (n = 275) | 678 (1857) | − 180 (1470) | 129 (1669) | 0.0001* |
Bodily pain—avg (SD) | ||||
 Baseline | 61.11 (25.14) | 59.87 (26.54) | 60.24 (26.11) | 0.6770 |
 3 months (n = 284) | 65.73 (22.99) | 60.47 (24.63) | 62.36 (24.15) | 0.0783 |
 ∆ Bodily pain (n = 284) | 3.12 (22.37) | − 2.64 (18.07) | − 0.57 (19.88) | 0.0273* |