Altered neurophysiological responses during empathy for pain in insomnia: evidence from an EEG study in non-clinical samples

Table 1 Demography of participants in the control and insomnia groups

	Controls (N = 20)		Insomnia (N = 21)		t	p
	M	SD	M	SD
Male	8		7
Female	12		14
Age	20.7	2.01	21.7	2.82	− 0.86	0.4
Years of education	14.8	2.41	16.2	2.32	− 0.98	0.52
PSQI	3.3	1.63	11.71	2.8	− 11.7	< 0.001
ISI	2.7	2.01	12.71	2.76	− 13.13	< 0.001
BDI-II	6.89	3.13	8.23	3.57	− 2.67	< 0.05

M mean, SD standard deviation, PSQI Pittsburgh Sleep Quality Index, ISI Insomnia Severity Index, BDI-II Beck Depression Inventory-II

ISSN: 1880-6805