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

Int J Med Educ. 2017; 8:116-122; doi: 10.5116/ijme.58ba.7d8b