Table 4.

Risk factors for dementia (multivariate analysis Cox model with all-cause mortality as a competing risk)

	HR	95% CI	p value
Age	1.058	1.054–1.062	<0.001
Male sex	0.910	0.860–0.963	0.001
Unmarried	1.300	1.222–1.383	<0.001
Smoking	0.936	0.855–1.024	0.150
Obesity	0.841	0.784–0.903	<0.001
Diabetes mellitus	1.289	1.210–1.373	<0.001
Hypertension	1.058	0.998–1.121	0.057
Atrial fibrillation/flutter	1.011	0.948–1.078	0.743
Hyperlipidemia	0.877	0.830–0.926	<0.001
Depression	1.913	1.810–2.021	<0.001
Hypothyroidism/hyperthyroidism	1.051	0.905–1.221	0.513
Chronic renal failure	0.788	0.660–0.940	0.008
Malignancy	0.812	0.668–0.987	0.037
Cerebrovascular accident	1.394	1.296–1.500	<0.001
Parkinson disease	1.619	1.450–1.808	<0.001
Anemia	1.060	0.996–1.128	0.0690