Table 4.

Analyses of risk factors for benign paroxysmal positional vertigo in patients with depressive disorders

Predictive variables	Univariate analysis		Multivariate analysis
	HR (95% CI)	P value	HR (95% CI)	P value
Age, years (≥65 = 1, <65 = 0)	1.75 (0.78 to 3.93)	0.174
Sex (female=1, male=0)	1.10 (0.60 to 2.04)	0.752
Comorbidities
Hypertension	0.88 (0.41 to 1.90)	0.747
Diabetes mellitus	0.98 (0.39 to 2.49)	0.969
Dyslipidemia	1.97 (0.99 to 3.89)	0.053
Coronary artery disease	2.93 (0.40 to 21.26)	0.288
Hyperthyroidism	3.74 (1.67 to 8.38)	<0.001	3.75 (1.67 to 8.42)	0.001
Hypothyroidism	2.17 (0.30 to 15.75)	0.444
Cerebrovascular disease	2.31 (0.91 to 5.85)	0.079
Systemic lupus erythematosus	3.58 (1.11 to 11.56)	0.033	3.47 (1.07 to 11.22)	0.038
Degree of urbanisation
Urban	Reference
Suburban	1.53 (0.82 to 2.86)	0.180
Rural	0.31 (0.04 to 2.28)	0.249
Income group
Low income	Reference
Medium income	1.33 (0.71 to 2.52)	0.377
High income	1.24 (0.50 to 3.11)	0.644