Table 2 Comparison of the mean score of stress and anxiety between intervention and control groups in nurses of ICUs before and after the intervention
Group | Stage | Intervention | Control | Test, value, df, P-value | Cohens’d |
|---|---|---|---|---|---|
Variable | Mean (SD) | Mean (SD) | |||
Stress | Pre-test | 10.77 ± 3.33 | 10.10 ± 2.19 | *U = 427.000 P = 0.731 | 0.90 |
Post-test | 9.00 ± 1.66 | 10.73 ± 2.15 | **t = 3.496 df = 58 0.001 = P | ||
Test, value, df, P-value | ***Z=-3.766 0.0001 > P | ***Z=-2.933 P = 0.002 |  |  | |
Anxiety | Pre-test | 9.43 ± 3.35 | 9.10 ± 1.63 | *U = 405.000 P = 0.498 | 1.69 |
Post-test | 7.93 ± 0.98 | 10.23 ± 1.65 | *U = 95.500 0.001 > P | ||
Test, value, df, P-value | ***Z=-3.333 0.0001 > P | ***Z=-3.794 0.0001 > P |  |  |