Table 3.
AD8 subitems based on age groups among the suspected dementia# participants.
| Age group years |
<65 (N = 888) |
65–74 (N = 667) |
75–84 (N = 426) |
≥85 (N = 90) |
P value |
|---|---|---|---|---|---|
| Number (n, %§) |
169 18.9% |
162 24.3% |
126 29.6% |
43 47.8% |
|
| Sex (female, %⊚) |
99 58.9% |
83 51.2% |
57 45.2% |
24 55.8% |
0.124 |
| AD8 score (median, IQR&) |
3, (2, 4) | 2, (2, 4) | 3, (2, 4) | 4, (2, 5) | 0.005※ |
| *AD8-1 | 47, 28.0% | 38, 23.6% | 33, 26.2% | 18, 41.9% | 0.016 |
| *AD8-2 | 81, 48.5% | 75, 46.3% | 56, 44.4% | 28, 65.1% | 0.385 |
| *AD8-3 | 73, 43.7% | 83, 51.6% | 68, 54.4% | 30, 69.8% | <0.013 |
| *AD8-4 | 34, 20.4% | 43, 26.5% | 36, 28.6% | 16, 37.2% | 0.002 |
| *AD8-5 | 50, 29.8% | 57, 35.2% | 56, 44.4% | 17, 39.5% | 0.220 |
| *AD8-6 | 37, 22.2% | 28, 17.3% | 23, 18.3% | 14, 32.6% | <0.001 |
| *AD8-7 | 57, 33.9% | 59, 36.7% | 54, 42.9% | 22, 51.2% | 0.018 |
| *AD8-8 | 142, 84.5% | 141, 87.0% | 108, 85.7% | 30, 69.77% | <0.001 |
#Defined as a total AD8 score of ≥2.
§Suspected dementia participants/total participants in this age group.
⊚ Female suspected dementia participants/suspected dementia participants in this age group.
&IQR: interquartile range.
※Obtained by the Kruskal-Wallis test.
*“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.