Table 4.

Comparison of descriptive values of the AIS, ESS, and ISI with the respondents’ group of origin

scale	UTA n = 108			UHS/UPP n = 74			p
	$\overline{x}$	SD	Me	$\overline{x}$	SD	Me
AIS	7.04	4.54	6	7.43	5.01	6	0.738
ESS	6.37	4.88	5	6.28	3.75	6	0.529
ISI	8.71	5.78	8	9.08	5.47	8	0.669

Abbreviations: AIS Athens Insomnia Scale, ESS Epworth Sleepiness Scale, ISI Insomnia Severity Index, $\overline{x}$ mean, Me median, p p-value, SD standard deviation, UHS University of Healthy Senior, UPP University of Psychogeriatric Prophylactics, UTA University of the Third Age