Functional capacity and performance outcomes
| Time (weeks) | Air mean (SD) | Oxygen mean (SD) | ANOVA: p Values | |||
| Treatment | Time | Interaction | ||||
| 6MWD (m) | Baseline | 341 (88.9) | 341 (93.2) | 0.843 | 0.055 | 0.685 |
| 4 | 359 (95.9) | 348 (99.9) | ||||
| 12 | 357 (100.0) | 352 (114.0) | ||||
| Stand/walk time (h/week) | Baseline | 3.7 (15.2) | 38.7 (15.2) | 0.341 | 0.325 | 0.344 |
| 4 | 37.8 (14.7) | 38.8 (15.7) | ||||
| 12 | 36.7 (15.5) | 40.2 (16.0) | ||||
| Outings time (h/week) | Baseline | 15.9 (10.4) | 19.2 (12.4) | 0.197* | 0.570 | 0.305 |
| 4 | 15.3 (10.1) | 19.1 (13.9) | ||||
| 12 | 16.4 (11.2) | 17.6 (12.8) | ||||
| Pedometer count (steps/week) | Baseline | 23491 (18549) | 24144 (19946) | 0.462† | 0.473 | 0.162 |
| 4 | 23877 (18591) | 24613 (20522) | ||||
| 12 | 23638 (18442) | 28002 (22387) | ||||
Community activity was measured subjectively (diary record of time spent standing or walking and on outings per week) and objectively (pedometer count of steps taken per week).
↵* ANOVA used square-root transformation.
↵† ANOVA used (natural) logarithm transformation.
ANOVA, analysis of variance; 6MWD, 6 minute walk distance breathing cylinder air at each testing occasion.