Research Article
The Efficacy of Cognitive Training for Elderly Chinese Individuals with Mild Cognitive Impairment
Table 2
Distribution of MoCA scores according to demographic characteristics.
| Characteristic | Sample (N) | MoCA score (Mean ± SD) | t test/one-way ANOVA | Spearman correlation analysis | t/F value | value | Correlation coefficient (r) | value |
| Total | 2886 | 21.69 ± 4.64 | | | | | Gender | | | 7.893 | <0.001 | | | Male | 1201 | 22.47 ± 4.16 | | | | | Female | 1685 | 21.13 ± 4.89 | | | | | Age (years) | | | 145.736 | <0.001 | −0.418 | <0.001 | 60–64 | 284 | 24.02 ± 3.26 | | | | | 65–69 | 1356 | 23.07 ± 3.71 | | | | | 70–74 | 644 | 21.18 ± 4.07 | | | | | 75–79 | 343 | 18.98 ± 4.99 | | | | | ≧80 | 259 | 16.76 ± 5.68 | | | | | Education level (years of education) | | | 265.461 | <0.001 | 0.491 | <0.001 | Illiteracy (0 years) | 306 | 15.13 ± 4.96 | | | | | Primary school (6 years) | 934 | 20.72 ± 4.16 | | | | | Middle school (9 years) | 836 | 22.83 ± 3.52 | | | | | High school (12 years) | 508 | 23.99 ± 3.34 | | | | | College (≧13 years) | 302 | 24.32 ± 2.95 | | | | | Monthly income ($) | | | 86.302 | <0.001 | 0.361 | <0.001 | 0 | 399 | 18.36 ± 5.58 | | | | | 1–148 | 351 | 19.61 ± 4.83 | | | | | 149–297 | 596 | 21.48 ± 4.26 | | | | | 298–446 | 904 | 22.74 ± 3.91 | | | | | 447–595 | 364 | 23.63 ± 3.59 | | | | | ≧596 | 272 | 23.63 ± 3.35 | | | | | Sleep time (hours/day) | | | 29.271 | <0.001 | 0.132 | <0.001 | <4 | 129 | 17.88 ± 5.34 | | | | | <6 | 1394 | 21.55 ± 4.66 | | | | | <8 | 1097 | 22.09 ± 4.36 | | | | | ≧8 | 266 | 22.65 ± 4.41 | | | | | Exercise time (hours/week) | | | 85.422 | <0.001 | 0.275 | <0.001 | 0 | 502 | 18.74 ± 5.33 | | | | | <1 | 1650 | 21.95 ± 4.40 | | | | | ≧1 | 637 | 23.10 ± 3.74 | | | | | ≧2 | 97 | 23.29 ± 3.41 | | | | | Reading (times/week) | | | 114.360 | <0.001 | 0.318 | <0.001 | 0 | 1564 | 20.35 ± 4.89 | | | | | 1-2 | 707 | 22.93 ± 3.70 | | | | | 3–5 | 270 | 23.79 ± 3.77 | | | | | ≥6 | 345 | 23.59 ± 3.81 | | | | | Community activities (times/week) | | | 15.484 | <0.001 | 0.129 | <0.001 | 0 | 776 | 20.71 ± 5.24 | | | | | 1–3 | 1249 | 21.71 ± 4.47 | | | | | 4–6 | 627 | 22.60 ± 4.24 | | | | | 7–9 | 198 | 22.43 ± 3.94 | | | | | ≧10 | 36 | 22.31 ± 3.19 | | | | | Housework (times/week) | | | 13.404 | <0.001 | 0.082 | <0.001 | 0 | 287 | 19.80 ± 5.45 | | | | | 1-2 | 639 | 21.90 ± 4.24 | | | | | 3–5 | 546 | 21.75 ± 4.24 | | | | | ≧6 | 1414 | 21.96 ± 4.71 | | | | |
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