Table 4. Comparison of depression, anxiety and stress rated by male and female medical students in the DASS-21.

DASS subscales	Male (n=238)	Female (n=239)	t(df), p
	Mean (SD)	Mean (SD)
Depression	4.13(3.75)	4.25(4.12)	0.34(475), 0.72
Anxiety	3.33(2.89)	3.40(3.32)	0.24(475), 0.80
Stress	5.67(3.29)	5.74(3.92)	0.22(475), 0.82
subscale corrected for DIF
Stress*	4.68(2.86)	4.76(3.37)	0.26(475), 0.78

*Stress score corrected for item 6 with asymmetric non-uniform DIF