Table 2.

Demographics of participants.

	Total (n = 241)	Male (n = 92)	Female (n = 149)
Age	51.09 ± 18.16	51.82 ± 18.22	50.64 ± 18.16
Sleep medication (+), n (%)	139 (57.7)	55 (59.8)	84 (56.4)
Diagnosis by ICD-10
F0, n (%)	19 (7.9)	9 (9.8)	10 (6.7)
F1, n (%)	1 (0.4)	0 (0)	1 (0.7)
F2, n (%)	47 (19.5)	13 (14.1)	34 (22.8)
F3, n (%)	102 (42.3)	44 (47.8)	58 (38.9)
F4, n (%)	41 (17.0)	9 (9.8)	32 (21.5)
F5, n (%)	10 (4.1)	4 (4.3)	6 (4.0)
F7, n (%)	2 (0.8)	0 (0)	2 (1.3)
F8, n (%)	19 (7.9)	13 (14.1)	6 (4.0)

ICD-10: International Classification of Diseases, 10th revision. None of the patients were diagnosed with F6 or F9.