Table 4.

The adjusted odds ratio (OR) for prior tinnitus of early-onset dementia patients vs. controls stratified by sex, age group and the presence of co-morbidities.

Variable	Presence of early-onset dementia
	Adjusted OR	95% CI	p value
Sex			0.135*
Males	1.298	0.911–1.849	0.148
Females	1.800	1.385–2.341	< 0.001
Age			0.664*
< 45 years old	0.957	0.206–4.448	0.956
≥ 45 years old	1.658	1.340–2.051	< 0.001
Hyperlipidemia			0.688*
Yes	1.673	1.247–2.244	0.001
No	1.591	1.178–2.149	0.002
Diabetes			0.001*
Yes	0.903	0.613–1.331	0.606
No	2.082	1.614–2.685	< 0.001
Hypertension			0.404*
Yes	1.512	1.127–2.027	0.006
No	1.827	1.345–2.482	< 0.001
Coronary heart disease			0.291*
Yes	1.428	0.945–2.158	0.091
No	1.746	1.364–2.236	< 0.001
Hearing loss			0.289*
Yes	3.004	1.051–8.601	0.040
No	1.563	1.262–1.938	< 0.001

*Denotes p value for interaction term.