Table 2.

Mean ratings and standard deviation of depression among medical students as measured by ZDI.

Time	Group	Mean	SD	N
Pretest	Control	61.36	3.56	44
	Treatment	62.16	4.94	45
Post-test	Control	62.21	5.51	44
	Treatment	44.13	5.35	45
Follow-up	Control	54.34	2.69	44
	Treatment	43.22	5.56	45

SD = standard deviation, ZDI = Zung Depression Inventory.