Table 3. Factors Associated With Adherence to Positive Airway Pressure Therapy at 3 Months in Multivariable Analysis^a.

Variable	OR (95% CI)	P value
Wait time to treatment	0.99 (0.98-0.99)	.04
Age	0.97 (0.92-1.02)	.32
Sex	1.72 (0.51-5.82)	.38
No. of comorbidities	0.66 (0.39-1.14)	.14
Cardiovascular disease	1.26 (0.26-6.14)	.78
No. of medications	1.14 (0.96-1.35)	.14
Neuropsychiatric medication	1.15 (0.51-2.58)	.74
Narcotic use	0.41 (0.12-1.41)	.16
Smoking history	0.77 (0.41-1.45)	.42
Study group	1.44 (0.52-3.93)	.48
Baseline
Apnea-hypopnea index score on polysomnogram	1.01 (0.99-1.02)	.40
Respiratory event index during home sleep apnea testing	1.01 (0.99-1.03)	.31
Epworth Sleepiness Scale score	0.97 (0.89-1.06)	.56
Missed appointment for polysomnogram	0.38 (0.32-4.43)	.44

Abbreviation: OR, odds ratio.

^aAdherence was defined as positive airway pressure use for at least 4 hours on at least 70% of nights.