TABLE 5.

Mean and standard deviation of Global Pittsburgh Sleep Quality Index (PSQI) scores of other university student populations.

	n	Global PSQI Mean (SD)	p-value
United States	243	5.6 (3.4)	1.73E-5**
Brazil	710	6.5 (2.6)	0.094
Belgium	621	4.802 (2.228)	ε**
Luxembourg and Germany	2831	7.22 (3.70)	0.077
Taiwan	4318	6.0 (2.5)	1.77E-5**
Indonesia	450	8.40 (3.64)	ε**
Nigeria	520	4.43 (2.67)	ε**
This study	140	6.86 (2.25)

**Denotes p < 0.01.