. 2018 Jul 7;8(3):200–207. doi: 10.15171/hpp.2018.27

Table 7. Comparisons among two subgroups of adolescents in different the daytime Sleepiness class .

	Low-risk Daytime sleepiness (n=595)	High-risk Daytime sleepiness (n=771)	Overall test P value
Age in year, mean (SE)	15.37 (0.06)	15.64 (0.07)	0.002
Gender (female%)^a	20.46 (0.01)	28.45 (0.01)	<0.001
ISI total score	14.93(0.21)	16.28(0.23)	0.002
Father’s education, mean (SE)	5.65 (0.04)	7.86 (0.04)	0.001
ESS total score	7.48(0.16)	8.48 (0.20)	<0.001

Abbreviations: ISI, Insomnia Severity Index; ESS, Epworth Sleepiness Scale.

^a P < 0.001.