Table 2 Changes in knowledge status between comparison and intervention group at pre- and post-assessments

I am familiar with the DSM-IV criteria for depression

 Comparison group

1.9 (0.9)

1.9 (0.4)

0.0 (0.9)

0.957

<0.001

 Intervention group

2.1 (1.2)

3.5 (0.7)

1.4 (1.4)

0.003

 P*

0.783

<0.001

Depression symptoms scale

 Comparison group

65.0 (14.1)

89.7 (6.1)

24.7 (13.8)

<0.001

0.591

 Intervention group

71.6 (16.1)

96.0 (6.8)

24.4 (18.1)

<0.001

 P*

0.162

0.002