Table S1. Pairwise comparisons of demographic information and cognitive test scores between the young group, middle-early age group, middle-late age group, and old group.
| Characteristics | Young vs. early-middle | Young vs. late-middle | Young vs. old | Early-middle vs. late-middle | Early-middle vs. old | Late-middle vs. old |
|---|---|---|---|---|---|---|
| Gender (F/M)& | 0.462 | 0.297 | 0.692 | 0.163 | 0.887 | 0.143 |
| Education (years) # | 1.000 | 1.000 | 1.000 | 0.955 | 1.000 | 0.560 |
| Immediate recall# | 0.499 | 0.588 | <0.001** | 1.000 | 0.032* | 0.016* |
| Delayed recall# | 0.735 | 1.000 | 0.001** | 1.000 | 0.584 | 0.019* |
| MMSE# | 1.000 | 1.000 | <0.001** | 1.000 | <0.001** | <0.001** |
&, Chi-square test; #, the expressed data is P value of the pairwise comparisons between groups, using Bonferroni method. *P<0.05, **P<0.01. MMSE, Mini-Mental State Exam.