The Role of Daytime Sleepiness in Psychosocial Outcomes after Treatment for Obstructive Sleep Apnea

Table 2

Comparison between the OSA group treated with CPAP and the control group in sleep and mood questionnaires.

	OSA; (𝑛=37)	Controls; (𝑛=27)	𝑡 (df = 62)	P	d
Epworth sleepiness scale (ESS)	8.3 (4.5)^a	6.6 (4.7)	1.48	.144	0.38
Pittsburg sleep quality index (PSQI)
Global score	4.4 (2.4)	4.6 (2.8)	0.29	.776	0.08
Subjective sleep quality	0.7 (0.6)	0.8 (0.7)	0.64	.526	0.17
Sleep latency	0.4 (0.6)	0.7 (0.6)	1.87	.066	0.50
Sleep duration	0.6 (0.8)	0.6 (0.7)	0.15	.880	0
Habitual sleep efficiency	0.3 (0.7)	0.6 (0.9)	1.38	.173	0.43
Sleep disturbances	1.2 (0.5)	1.2 (0.5)	0.47	.641	0
Use of sleep medication	0.2 (0.6)	0.1 (0.5)	0.29	.771	0.17
Daytime dysfunction	0.9 (0.7)	0.6 (0.6)	2.14	.036*	0.43
Beck Depression Inventory (BDI)	2.8 (4.7)^a	2.9 (2.4)	0.01	.989	0.02
Profile of Mood States (POMS)
Global score	67.4 (24.0)	60.3 (18.2)	1.29	.204	0.30
Tension anxiety	6.1 (5.0)	5.0 (4.7)	0.89	.375	0.22
Depression dejection	5.0 (7.1)	5.2 (6.1)	0.11	.913	0.03
Anger hostility	4.7 (6.2)	3.7 (4.0)	0.74	.465	0.16
Vigor activity	17.5 (6.7)	19.0 (5.2)	0.96	.342	0.22
Fatigue inertia	7.4 (6.2)	4.7 (4.9)	1.89	.064	0.44
Confusion bewilderment	6.2 (4.6)	5.3 (4.5)	0.78	.436	0.20
Functional Outcomes of Sleep Questionnaire (FOSQ)
Total score	17.6 (2.2)	18.4 (1.5)	1.61	.113	0.36
Activity level	3.3 (0.6)	3.7 (0.3)	2.99	.004**	0.67
Vigilance	3.4 (0.5)	3.5 (0.5)	0.96	.341	0.20
Intimacy	3.6 (0.6)	3.8 (0.5)	1.04	.304	0.33
General productivity	3.6 (0.5)	3.8 (0.3)	1.48	.143	0.40
Social outcome	3.7 (0.5)	3.7 (0.5)	0.06	.953	0

Higher scores indicate more difficulties in all questionnaires, except for FOSQ.
^aMean (SD); *P < .05; **P < .01.