Table 6B.
Number of answers of subjects aged ≥55 years in cognitive tests
| Item | Numerical item | Group | Baseline |
Week 4 |
Week 8 |
p (Inter-group) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |||||||
| Word memory test | Immediate recall | Measured value | P | 4.5 | 0.7 | 4.8 | 0.9 | 4.6 | 0.9 | |||
| A | 4.6 | 0.9 | 5.0 | 0.9 | 4.8 | 0.7 | ||||||
| Amount of change | P | 0.3 | 1.0 | 0.1 | 1.1 | 0.906 | ||||||
| A | 0.4 | 1.0 | 0.2 | 1.3 | ||||||||
| Immediate recall + cued recall | Measured value | P | 5.7 | 0.8 | 5.5 | 1.2 | 5.9 | 0.8 | ||||
| A | 5.9 | 1.0 | 5.9 | 1.0 | 6.1 | 0.7 | ||||||
| Amount of change | P | –0.2 | 1.3 | 0.3 | 1.1 | 0.883 | ||||||
| A | –0.1 | 1.2 | 0.1 | 1.4 | ||||||||
| Recall after 5 min | Measured value | P | 3.4 | 1.5 | 3.9 | 1.8 | 4.0 | 1.4 | ||||
| A | 4.6 | 1.2 | 4.2 | 1.2 | 4.4 | 1.3 | ||||||
| Amount of change | P | 0.5 | 2.4 | 0.6 | 2.1 | 0.343 | ||||||
| A | –0.4 | 1.2 | –0.2 | 1.9 | ||||||||
| Recall after 5 min + cued recall | Measured value | P | 4.6 | 1.2 | 4.7 | 1.6 | 4.9 | 1.3 | ||||
| A | 5.4 | 1.0 | 4.8 | 1.2 | 5.8 | 0.8 | ||||||
| Amount of change | P | 0.1 | 1.8 | 0.3 | 2.1 | 0.428 | ||||||
| A | –0.6 | 1.2 | 0.4 | 1.4 | ||||||||
| Verbal fluency test | Names of vegetables | Measured value | P | 15.7 | 3.2 | 15.1 | 5.1 | 16.2 | 3.5 | |||
| A | 16.1 | 3.6 | 16.1 | 3.5 | 17.3 | 4.4 | ||||||
| Amount of change | P | –0.6 | 3.6 | 0.5 | 3.4 | 0.837 | ||||||
| A | 0.0 | 3.1 | 1.2 | 3.0 | ||||||||
| Words that begin with “a” | Measured value | P | 13.4 | 3.8 | 15.1* | 5.1 | 14.3 | 3.3 | ||||
| A | 13.5 | 4.1 | 13.6 | 3.8 | 15.5 | 3.7 | ||||||
| Amount of change | P | 1.7 | 2.2 | 0.9 | 3.2 | 0.198 | ||||||
| A | 0.1 | 4.0 | 2.0 | 4.4 | ||||||||
| Animal words | Measured value | P | 16.9 | 5.8 | 19.4 | 6.3 | 19.8 | 6.4 | ||||
| A | 16.8 | 4.0 | 18.3 | 4.3 | 18.6* | 4.3 | ||||||
| Amount of change | P | 2.5 | 5.8 | 2.8 | 5.0 | 0.756 | ||||||
| A | 1.5 | 3.4 | 1.8 | 2.6 | ||||||||
| Stroop test | Step 1 | Measured value | P | 58.1 | 6.2 | 57.6 | 7.3 | 59.5 | 8.7 | |||
| A | 56.3 | 6.3 | 59.5* | 7.5 | 61.0** | 6.2 | ||||||
| Amount of change | P | –0.5 | 5.6 | 1.4 | 5.7 | 0.110 | ||||||
| A | 3.2 | 4.9 | 4.7 | 4.1 | ||||||||
| Step 2 | Measured value | P | 47.8 | 6.0 | 49.6 | 4.5 | 50.6 | 7.8 | ||||
| A | 48.1 | 6.2 | 51.1* | 6.3 | 52.7** | 5.3 | ||||||
| Amount of change | P | 1.8 | 4.7 | 2.8 | 7.0 | 0.619 | ||||||
| A | 3.0 | 4.9 | 4.6 | 5.0 | ||||||||
| Step 3 | Measured value | P | 38.3 | 3.5 | 38.8 | 3.7 | 41.2** | 4.2 | ||||
| A | 38.8 | 3.7 | 41.5** | 4.3 | 41.8** | 4.3 | ||||||
| Amount of change | P | 0.5 | 3.1 | 2.8 | 3.2 | 0.160 | ||||||
| A | 2.6 | 3.2 | 3.0 | 3.6 | ||||||||
| Step 4 | Measured value | P | 33.5 | 4.1 | 34.8 | 3.4 | 36 | 4.4 | ||||
| A | 33.4 | 4.5 | 34.2 | 4.1 | 35.4 | 5.0 | ||||||
| Amount of change | P | 1.3 | 2.7 | 2.5 | 4.1 | 0.946 | ||||||
| A | 0.8 | 5.2 | 1.9 | 5.6 | ||||||||
Group P: n = 12, group A: n = 17. Intra-group comparison at baseline *p<0.05 and **p<0.01 (1-sample t test). Inter-group comparison with group P (two-way-repeated measures of ANOVA).