Table 2.
The effects of Tai Chi on weight and BMI change of participants
| Variables | All (n = 238) | Tai Chi group (n = 120) | Aerobic exercise group (n = 118) | t/Z | P value |
|---|---|---|---|---|---|
| Weight (kg) | |||||
| At baseline | 60.0 (13.0) | 60.0 (13.0) | 60.0 (14.3) | -0.705 | 0.481 |
| Week 12 | 55.0 (10.0) | 55.0 (10.0) | 55.0 (10.0) | -0.366 | 0.714 |
| Weight difference | 3.0 (3.0) | 4.0 (3.0) | 2.0 (2.0) | -4.930 | < 0.001 |
| BMI (kg/m2) | |||||
| At baseline (Mean ± SD) a | 23.26 ± 3.35 | 23.54 ± 0.34 | 22.97 ± 0.27 | 1.297 | 0.196 |
| Week 12 | 21.85 (3.71) | 21.48 (4.03) | 22.16 (3.31) | -0.616 | 0.538 |
| BMI difference | 1.06 (1.10) | 1.60 (1.15) | 0.83 (0.80) | -5.046 | < 0.001 |
Note: SD Standard deviation, BMI Body mass index
a BMI (at baseline) was described as Mean ± SD, other variables were described as median and inter-quartile
Independent t-test and Mann–Whitney U test were used