Daytime Sleepiness among Medical Colleges’ Students in Jordan: Impact on Academic Performance

Table 2

ESS scores values and their interpretations.

No.	Variable	Statistics
1	ESS scores	7.7 ± 4.6
	Normal (0-9)	629 (65.6%)
	Abnormal (≥10)	330 (34.4%)
2	ESS scores interpretation
	Normal (0-9)	629 (65.6%)
	Borderline daytime sleepiness (10-11)	118 (12.3%)
	Medical advice should be sought (12-24)	212 (22.1%)

Percentages represents the frequency for categorial variables and the means ± SD for continuous variables.. ESS: Epworth Sleepiness Scale.