Table 2.

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

	No competing risk in the model				Competing risk in the model
Variables	Adjusted HR	95% CI	95% CI	P-value*	Adjusted HR	95% CI	95% CI	P-value*
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

*Chi-square/Fisher exact test for categorical variables and t-test for continuous variables, HR hazard ratio, CI confidence interval, Adjusted HR adjusted variables listed in the Table 1, CCI_R Charlson Comorbidity Index, dementia and HIV removed