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Comparison of bone mineral density between the two groups of college students before and after the experiment (n = 50,‾x ± S).
| Test group (n = 21) | Control group (n = 29) | Time F value (η2) | Time × group F value (η2) | |||
|---|---|---|---|---|---|---|
| Pretest | Posttest | Pretest | ||||
| BMD(g/cm3) | 0.43 ± 0.07 | 0.44 ± 0.07 | 0.41 ± 0.05 | 0.44 ± 0.06 | 6 (0.11)* | 0.20 (<0.01) |
| Z (g/cm3) | −0.79 ± 1.01 | −0.51 ± 1.24 | −1.05 ± 0.72 | −0.64 ± 0.94 | 5.64 (0.11)* | 0.19 (<0.01) |
Note: *p < 0.05.
