Table 2 Comparison of the differences in knowledge scores between pre- and post-DVD in intervention group and control group
Items | IG (n = 96) | CG (n = 95) | ||||
|---|---|---|---|---|---|---|
Pre- DVD mean (SD) | Post- DVD mean (SD) | t test | Pre- DVD mean (SD) | Post- DVD mean (SD) | t test | |
P & A (range 0–6) | 2.73 (1.41) | 4.04 (1.16) | t (95) = −8.29 p < 0.01 | 2.86 (1.37) | 2.83 (1.19) | t (94) = 0.28 p = 0.78 |
HE (range 0–6) | 2.66 (1.09) | 3.70 (1.00) | t (95) = −8.13 p < 0.01 | 2.81 (1.13) | 2.73 (1.19) | t (94) = 0.86 p = 0.39 |
Total (range 0–12) | 5.39 (2.03) | 7.74 (1.71) | t (95) = −10.95 p < 0.01 | 5.67 (1.70) | 5.56 (1.62) | t (94) = 0.85 p = 0.40 |