Table 2.

The associations between the likelihood of OSA and covariates in univariate and multivariate logistic regression analyses

Covariates	Univariate		Multivariatea
	OR (95% CI)	P	OR (95% CI)	P
Age (per increase in 10 years)	1.70 (1.22 to 2.49)	0.003	1.46 (0.94 to 2.36)	0.1
Gender
female	1.00 (reference)
male	1.79 (0.71 to 4.44)	0.2
BMI (kg/m2)
≤21	1.00 (reference)		1.00 (reference)
>21	7.00 (2.61 to 18.8)	0.0001	10.2 (3.27–37.0)	0.0002
eGFR (per decrease in 10 ml/min per 1.73 m2)	1.39 (1.14 to 1.75)	0.001	1.42 (1.08 to 1.97)	0.02
Diabetes mellitus
no	1.00 (reference)
yes	2.48 (0.94–6.55)	0.07	1.57 (0.53–4.93)	0.4
Pre-existing CVD
no	1.00 (reference)
yes	1.48 (0.57, 3.83)	0.4

OR, odds ratio; CI, confidence interval.

^aModels adjusted for age, BMI, eGFR, and diabetes mellitus.