. Author manuscript; available in PMC: 2019 Mar 4.

Published in final edited form as: Exp Brain Res. 2015 Nov 13;234(2):587–595. doi: 10.1007/s00221-015-4490-7

Table 1.

Participant demographics, questionnaire information, and sleep architecture

	OA (n = 61)	YA (n = 64)	p
Age (years)	63.89 ± 7.69	21.19 ± 2.79	–
Female (%)	75.47	67.24	–
Education (years)	15.43 ± 1.81	17.09 ± 3.86	.01^*
PSQI	4.43 ± 2.08	4.37 ± 2.51	.89
SSS1	1.93 ± 1.13	2.67 ± 0.87	<.001^*
SSS2	2.33 ± 1.08	2.33 ± 1.09	.978
MEQ	43.58 ± 8.052	58.67 ± 8.989	<.001^*
ESS	6.07 ± 3.11	6.70 ± 3.94	.35

OA older adults, YA young adults; PSQI Pittsburgh Sleep Quality Index, SSS Stanford Sleepiness Scale at Sessions 1 and 2, MEQ Morningness–Eveningness Questionnaire, ESS Epworth Sleepiness Scale

p value <.05. Values are mean ± SD