Table 4. Determinants of OSAS Patients Accepting CPAP Treatment among Low Income and Average/High Income Strata.

Variable	Low Income (N = 113)			Average/High Income (N = 145)
	OR	95% CI	Pv	OR	95% CI	Pv
Financial Incentive (yes vs. no)	3.43	1.09–10.85	0.036	1.07	0.44–2.61	0.882
Age (+1 year)	1.10	1.03–1.17	0.002	1.02	0.98–1.06	0.469
BMI (+1)	1.02	0.95–1.10	0.539	0.99	0.92–1.09	0.950
AHI (≥30 vs. <30)	4.87	1.56–15.2	0.006	3.16	1.14–8.75	0.027
Gender (male vs. female)	0.43	0.13–1.43	0.168	0.87	0.22–3.35	0.842
Family and/or friends have positive experience with CPAP (yes vs. no)	4.29	1.05–17.51	0.042	1.11	0.45–2.73	0.827
Living with Partner (yes/no)	0.33	0.08–1.29	0.110	8.82	1.03–75.8	0.047
Tobacco Smoking (+1 packs years)	1.01	0.99–1.03	0.461	1.01	0.99–1.02	0.631
High Income (vs. Average Income)				0.36	0.12–1.05	0.062

AHI – apnea-hypopnea index, BMI – body mass index, CPAP – continuous positive airway pressure, CVD – cardiovascular disease, ESS – Epworth Sleepiness Scale, Financial Incentive – received financial support, HTN – hypertension.

Area under the ROC 81.0% and 69.3% for low income and average/high income patients, respectively.