Table 2 Hazard ratio and 95% confident intervals for dementia and its subtypes, according to the facial age status

Dementia

 younger than your age (ref.)

4088/1,760,025

1 (ref.)

1 (ref.)

 about age

1466/530,949

1.21(1.14 ~ 1.28)

< 0.001

1.16(1.09 ~ 1.23)

< 0.001

 older than your age

105/25,424

1.97(1.62 ~ 2.39)

< 0.001

1.61(1.33 ~ 1.96)

< 0.001

 P trend

< 0.001

< 0.001

Alzheimer’s Disease

 younger than your age (ref.)

1762/1,765,141

1 (ref.)

1 (ref.)

about age

635/532,763

1.22(1.11 ~ 1.34)

< 0.001

1.19(1.09 ~ 1.31)

< 0.001

 older than your age

32/25,592

1.43(1.01 ~ 2.04)

0.04

1.23(0.87 ~ 1.75)

0.24

 P trend

< 0.001

< 0.001

Vascular Dementia

 younger than your age (ref.)

951/1,767,045

1 (ref.)

1 (ref.)

 about age

358/533,458

1.26(1.11 ~ 1.42)

< 0.001

1.17(1.04 ~ 1.33)

0.01

 older than your age

27/25,601

2.12(1.45 ~ 3.12)

< 0.001

1.55(1.06 ~ 2.28)

0.03

 P trend

< 0.001

0.001

Other and unspecified dementia

 younger than your age (ref.)

2862/1,763,301

1 (ref.)

1 (ref.)

 about age

1034/532,190

1.21(1.13 ~ 1.30)

< 0.001

1.16(1.08 ~ 1.25)

< 0.001

 older than your age

81/25,506

2.16(1.73 ~ 2.69)

< 0.001

1.74(1.40 ~ 2.18)

< 0.001

 P trend

< 0.001

< 0.001