Table 3c:

Odds of objective sleepiness (MWT < 20 minutes) at baseline

Variable	MWT < 20 (n=521)	MWT = 20 (n=565)	Odds Ratio	P
Age (years)	49.6 ± 12.6	53.8 ± 11.3	0.972	0.000*
Gender (Female), n (%)	196 (34.7%)	178 (34.2%)	0.977	0.868
BMI (kg/m2)	33.1 ± 7.4	31.2 ± 6.6	1.018	0.064
Baseline AHI >30, n (%)	354 (62.7%)	249 (47.8%)	1.858	<0.001*
HAMD Total Score ≥8, n (%)	123 (21.9%)	79 (15.2%)	1.500	0.016*
Chronic Pain, n (%)	91 (16.1%)	81 (15.5%)	1.081	0.664
GERD, n (%)	161 (28.5%)	149 (28.6%)	0.921	0.563

MWT: Maintenance of Wakefulness Test

BMI: Body Mass Index

AHI: Apnea-Hypopnea Index

HAMD: Hamilton Rating Scale for Depression

GERD: Gastroesophageal Reflux Disease