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.

From: Risk of early-onset dementia among persons with tinnitus: a retrospective case–control study

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

  1. *Denotes p value for interaction term.