Table 2 Factors of dementia using Cox regression and the Fine–Gray competing risk model

Toxoplasmosis (reference: without)

2.570

1.511

4.347

 < 0.001

2.878

1.709

4.968

 < 0.001

Male (reference: female)

1.841

1.123

3.018

0.001

1.989

1.235

3.310

 < 0.001

Age ≥  65 (reference: age 40–59)

1.685

1.240

2.006

 < 0.001

1.703

1.259

2.034

 < 0.001

CCI_R

1.286

1.032

1.537

0.029

1.335

1.050

1.682

0.007