Medical student depression and its correlates across three international medical schools

Table 3 Comparison of samples of medical students on emotional exhaustion (ANCOVA)¹

Survey items	a United States	b Middle Eastern country	c China	Paired comparison
	LS mean (SE)	LS mean (SE)	LS mean (SE)
I feel emotionally drained by my studies.	2.82 (0.07)	1.92 (0.08)	2.31 (0.07)	a > b, c; c > b
I feel used up at the end of a day in medical school.	3.44 (0.08)	3.05 (0.10)	2.84 (0.08)	a > b, c
I feel burned out from my studies.	2.83 (0.07)	2.81 (0.09)	2.41 (0.08)	a > c, b > c
I have become less interested in my studies since my enrollment in medical school.	2.51 (0.08)	2.40 (0.10)	2.07 (0.09)	a > c, b > c
Emotional exhaustion component	2.90 (0.05)	2.55 (0.07)	2.42 (0.06)	a > b, c

¹Adjusted for differences in Patient Health Questionnaire-2 total score. LS mean: Least square mean; SE: Standard error.