Table 2. Stepwise regression analysis of variables influencing CPAP adherence.

Variables	β (Standard error)	Odds ratio (95%CI)	P
AHI: ≥30 (vs. <30)	0.437 (0.146)	1.549 (1.163–2.062)	0.003
Body mass index (vs. <25 kg/m2)
≥25 and <30 kg/m2	0.580 (0.233)	1.786 (1.131–2.822)	0.01
≥30 kg/m2	0.570 (0.222)	1.768 (1.145–2.731)	0.01
Employment status (vs. employed)
Unemployed	−0.341 (0.284)	0.711 (0.407–1.242)	0.23
Retired	0.346 (0.129)	1.414 (1.097–1.821)	0.007
Marital status: Married or living as a couple (vs. living alone)	0.393 (0.158)	1.482 (1.088–2.019)	0.01

Abbreviations: CPAP, continuous positive airway pressure; AHI, apnea-hypopnea index;

CPAP adherence: CPAP use ≥4 h/night.

Significant level for p value: <0.05.

Area under the ROC: 0.607.