Table 3.

Correlations between Chinese version of THAT score and other subjective scales

	CES-D	PSQI	AIS
7-item one-factor	−0.45**	− 0.40**	− 0.45**

^**P < 0.01. THAT Toronto Hospital Alertness Test, CES-D Center for Epidemiological Studies Depression Scale, PSQI Pittsburgh Sleep Quality Index, AIS Athens Insomnia Scale