Table 2.
AD8 subitems for the nonsuspected and suspected dementia participants.
| AD8 subitems | Nonsuspected | Suspected# | P value |
|---|---|---|---|
| Number | 1571 | 500 | |
| (N, %) | 75.9% | 24.1% | |
| Age, years | 65, (60, 73) | 70, (62, 77) | <0.001※ |
| (median, IQR&) | |||
| <65 | 719, 45.8% | 169, 33.8% | <0.001 |
| 65–74 | 505, 32.1% | 162, 32.4% | |
| 75–84 | 300, 19.1% | 126, 25.2% | |
| ≥85 | 47, 3.0% | 43, 8.6% | |
| Female | 822 | 263 | 0.914 |
| (n, %) | 52.3% | 52.6% | |
| AD8 score (median, IQR&) | 0, (0, 1) | 3, (2, 4) | <0.001※ |
| *AD8-1 (n, %) | 21, 1.3% | 137, 27.4% | <0.001 |
| *AD8-2 | 111, 7.1% | 240, 48.0% | <0.001 |
| *AD8-3 | 87, 5.5% | 254, 50.8% | <0.001 |
| *AD8-4 | 8, 0.5% | 129, 25.8% | <0.001 |
| *AD8-5 | 25, 1.6% | 180, 36.0% | <0.001 |
| *AD8-6 | 9, 0.6% | 102, 20.4% | <0.001 |
| *AD8-7 | 17, 1.1% | 192, 38.5% | <0.001 |
| *AD8-8 | 227, 14.5% | 422, 84.4% | <0.001 |
#Defined as a total AD8 score ≥2.
※Obtained by the Wilcoxon rank sum test.
&IQR: interquartile range.
*“Change” in each AD8 subitem (number and percentage in that area).
AD8-1: problems with judgment; AD8-2: reduced interest in hobbies/activities; AD8-3: repeating questions, stories, or statements; AD8-4: difficulty in learning how to use a tool, appliance, or gadget; AD8-5: forgetting the correct month or year; AD8-6: difficulty in handling complicated financial affairs; AD8-7: difficulty in remembering appointments; AD8-8: consistent problems with thinking and/or memory.