Table 2.
Changes in MoCA-B, STT-B, and FAQ scores (mean ± s.d) after 6 and 12 weeks of mahjong intervention.
| Baseline | 6 weeks after intervention | 12 weeks after intervention |
t/P-value base vs. 6 w |
t/P-value base vs. 12 w |
t/P-value 6 w vs. 12w |
|
|---|---|---|---|---|---|---|
| MoCA-B | ||||||
| Mahjong | 21.11 ± 2.22 | 21.3 ± 1.9 | 22.8 ± 1.7 | −1.000/0.326 | −6.971/0.001** | −6.162/0.001** |
| Control | 22.18 ± 2.39 | 22.1 ± 2.3 | 22.0 ± 1.9 | 0.493/0.626 | 0.895/0.379 | 0.593/0.558 |
| t/P-value | −1.74/ 0.09 | −1.47/0.15 | 1.63/0.11 | |||
| STT-B | ||||||
| Mahjong | 573.1 ± 113.8 | 555.1 ± 115.0 | 535.7 ± 111.7 | 8.88/ <0.001** | 8.59/0.001** | 5.79/ 0.001** |
| Control | 559.3 ± 95.9 | 561.4 ± 102.0 | 565.5 ± 93.0 | −0.28/0.783 | −1.71/0.66 | −0.45/0.098 |
| t/P-value | 0.49/ 0.62 | −0.22/0.83 | −1.084/0.283 | |||
| FAQ | ||||||
| Mahjong | 17.89 ± 4.64 | 16.9 ± 4.5 | 15.6 ± 4.8 | 5.50/ <0.001** | 5.44/ <0.001** | 2.86/ <0.01** |
| Control | 19.36 ± 3.81 | 19.5 ± 3.3 | 19.9 ± 3.6 | −0.87/0.39 | −1.89/0.07 | −1.8/0.083 |
| t/P-value | −1.291/ 0.20 | −2.61/0.012* | −3.74/0.00** | |||
*
P < 0.05, difference between mahjong and control groups or between different times after mahjong intervention within each group;
**
P < 0.001, difference between mahjong and control groups or between different times after mahjong intervention within each group; base, baseline; STT-B, the Shape Trail Test-B; FAQ, Functional Activities Questionnaire; MoCA-B, Montreal Cognitive Assessment—Beijing.