TABLE 4

Final model from multivariable logistic regression

Adjusted odds ratio#
(95% CI)
Wald χ2DFp-value
HADS-Depression score
 0 to 21.013.7830.003
 3 to 42.59 (0.69–9.75)
 5 to 810.05 (2.5–40.0)
 ≥98.91 (2.1–37.8)
ESS score
 0 to 21.08.9030.03
 3 to 51.19 (0.33–4.25)
 6 to 85.64 (1.2–26.5)
 ≥84.47 (1.2–16.5)

HADS: Hospital Anxiety and Depression Scale; ESS: Epworth Sleepiness Scale; DF: degrees of freedom. #: adjusted for HADS-D and ESS; : reference category.