Table 3 Comparison of differences in confidence scores between pre- and post-DVD in intervention group and control group
| Items | IG (n = 69) | CG (n = 66) | ||||
|---|---|---|---|---|---|---|
|
Pre- DVD mean (SD) |
Post- DVD mean (SD) | p-value |
Pre- DVD mean (SD) |
Post- DVD Mean (SD) | p-value | |
|
P & A (range 0–60) | 49.93 (8.48) |
53.90 (6.93) |
t (68) = −4.79 p < 0.01 |
50.68 (8.62) |
50.82 (8.89) |
t (65) = −0.36 p = 0.72 |
|
HE (range 0–20) | 16.57 (3.29) | 17.91 (2.51) |
t (68) = −4.12 p < 0.01 | 17.59 (2.85) | 17.49 (2.77) |
t (67) = 0.49 p = 0.62 |
|
Total (range 0–80) | 66.49 (11.27) | 71.81 (9.33) |
t (68) = −4.92 p < 0.01 | 68.33 (11.08) |
68.35 (11.40) |
t (65) = −0.25 p = 0.98 |