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Characteristics for the aerobic exercise and stretching control groups
| Characteristic | Aerobic exercise | Stretching control |
| n | 60 | 60 |
| Age (y), mean (SD) | 67.6 (5.81) | 65.5 (5.44) |
| Sex (% female) | 73 | 60 |
| Attendance (%), mean (SD) | 79.5 (13.70) | 78.6 (13.61) |
| Fitness improvement (%), mean (SD) | 7.78 (12.7) | 1.11 (13.9) |
