Daytime Sleepiness in Patients Diagnosed with Sarcoidosis Compared with the General Population

Table 1

ESS items and global mean scores.

	Patients		General population		d		rit	Alpha del.
	M	(SD)	M	(SD)
1 Sitting/reading	1.43	(1.01)	1.09	(0.89)	0.36	<0.001	0.63	0.78
2 Watching TV	1.97	(0.99)	1.77	(0.93)	0.21	<0.001	0.49	0.81
3 Public place	1.21	(0.97)	0.92	(0.82)	0.32	<0.001	0.66	0.78
4 Car passenger	1.21	(1.05)	0.81	(0.92)	0.41	<0.001	0.56	0.80
5 Afternoon	2.41	(0.85)	2.06	(0.91)	0.40	<0.001	0.36	0.82
6 Sitting/talking to someone	0.39	(0.60)	0.13	(0.40)	0.52	<0.001	0.58	0.80
7 After lunch	1.45	(1.02)	1.01	(0.87)	0.47	<0.001	0.61	0.79
8 Traffic	0.32	(0.62)	0.14	(0.41)	0.35	<0.001	0.48	0.81
ESS total score	10.43	(4.87)	7.95	(3.73)	0.58	<0.001	–	0.82

Note. M: mean; SD: standard deviation; d: effect size; p: significance; r_it: part-whole-corrected test-item correlation; alpha del.: Cronbach’s alpha if item is deleted.