Tai chi intervention adherence
| Phase 1 (baseline to 12 weeks) | Phase 2 maintenance (12–24 weeks) | ||
| Mean (SD) | |||
| Tai chi class 2x/week (n=50) | Tai chi class 1 x/week (n=25) | No additional classes (n=25) | |
| Classes attended (N) | 17.3 (6.9) | 7.1 (4.6) | – |
| Class time (min/week) | 86.7 (34.7) | 35.6 (22.8) | – |
| Home practice time (min/week) | 94.4 (75.8) | 52.1 (50.4) | 68.8 (58.6) |
| Home practice frequency (sessions/week) | 2.9 (1.6) | 1.8 (1.5) | 0.6 (0.4) |
| Total minutes of tai chi (min/week) | 181.1 (98.3) | 87.7 (66.1) | 68.8 (58.6) |