Table 4 Comparison of the mean and standard deviation of the attitude score before and after the intervention in the intervention and control groups
Group | Pre-intervention | Post-intervention | Paired t-test | Difference of means |
|---|---|---|---|---|
M ± SD | M ± SD | |||
Intervention group | 25.1 ± 18.99 | 29.0 ± 38.46 | t = − 19.98 df = 79 P < 0.0001 | 4.2 ± 65.08 |
Control group | 25.1 ± 16.98 | 25.1 ± 13.96 | t = − 1.42 df = 79 P < 0.15 | 0.0 ± 1.11 |
Independent T-test | t = − 0.07 df = 158 P 0.93 | t = − 20.81 df = 158 P < 0.0001 | – | t = − 20.03 df = 158 P < 0.0001 |