Table 3.

Descriptive Statistics (M ± SD or n (%)) for ESS Scores Across Demographic Variables

	N	ESS Total Score	p Value	ESS > 10	p Value
Total sample	3,055	6.1 ± 3.6		388 (12.7)
Age (y)
65–69	265	6.3 ± 3.7	.48	35 (13.2)	.53
70–74	1,046	6.2 ± 3.7		139 (13.3)
75–79	885	6.0 ± 3.6		100 (11.3)
80+	859	6.2 ± 3.6		114 (13.3)
Education
<High school	145	6.1 ± 3.9	.25	18 (12.4)	.34
High school	482	6.4 ± 3.9		75 (15.6)
Some college	688	6.0 ± 3.7		87 (12.7)
College	567	6.2 ± 3.5		66 (11.6)
Graduate education	1,173	6.1 ± 3.6		142 (12.1)
Race/ethnic group
White	2,752	6.1 ± 3.6	.02	343 (12.5)	.24
Minority	303	6.6 ± 3.9		45 (14.9)

Note: Higher scores indicate greater sleepiness; scores >10 indicate excessive daytime sleepiness. ESS = Epworth Sleepiness Scale.