Table 1 Baseline characteristics of study subjects
Variable | Alzheimer’s disease | No Alzheimer’s disease | p-value | ||
|---|---|---|---|---|---|
(n = 5,906) | (n = 201,681) | ||||
No. | % | No. | % | ||
Age (year) | 79.36 ± 7.14 | 74.87 ± 6.89 | <.0001 | ||
Sex | 0.1496 | ||||
Men | 2,755 | 46.65 | 95,995 | 47.60 | |
Women | 3,151 | 53.35 | 105,686 | 52.40 | |
Income (NT$) | <.0001 | ||||
Dependent | 2,472 | 41.86 | 84,740 | 42.02 | |
1–20,000 | 1,518 | 25.70 | 44,260 | 21.95 | |
20,001-40,000 | 1,866 | 31.59 | 69,890 | 34.65 | |
>40,000 | 50 | 0.85 | 2,791 | 1.38 | |
Region | <.0001 | ||||
Area 1(Taipei) | 1,659 | 28.09 | 65,573 | 32.51 | |
Area 2 (Northern) | 868 | 14.70 | 26,761 | 13.27 | |
Area 3 (Central) | 1256 | 21.27 | 36,693 | 18.19 | |
Area 4 (Southern) | 1,247 | 21.11 | 34,690 | 17.20 | |
Area 5 (Kao-Ping) | 739 | 12.51 | 32,141 | 15.94 | |
Area 6 (Eastern) | 137 | 2.32 | 5,823 | 2.89 | |
Amalgam filling | 0.2274 | ||||
None | 5,046 | 85.44 | 171,162 | 84.87 | |
Yes | 860 | 14.56 | 30,519 | 15.13 | |