Table 4 Means and standard deviations for measurement indicators of the SSI
Variable | Mean (SD) | F | df | Cohen’s d | p |
|---|---|---|---|---|---|
PPI | |||||
 T0 – T1 (n = 82) | 7.8 (1.7) vs 6.7 (2.2) | 32.32 | 67 | 0.89 |  < 0.0001 |
 T1 – T2 (n = 82) | 6.7 (2.2) vs 6.9 (2.5) | 0.18 | 59 | 0.07 | 0.610 |
 T0 – T2 (n = 64) | 7.8 (1.7) vs 6.9 (2.5) | 11.89 | 60 | 0.58 | 0.0003 |
K6 | |||||
 T0 – T1 (n = 82) | 13.6 (4.5) vs 8.8 (4.5) | 94.17 | 67 | 1.51 |  < 0.0001 |
 T1 – T2 (n = 82) | 8.8 (4.5) vs 8.7 (4.5) | 0.10 | 59 | 0.05 | 0.798 |
 T0 – T2 (n = 64) | 13.6 (4.5) vs 8.7 (4.5) | 72.15 | 60 | 1.42 |  < 0.0001 |
WHO-5 | |||||
 T0 – T1 (n = 82) | 39.3 (20.1) vs 57.9 (22.4) | 73.91 | 67 | 1.34 |  < 0.0001 |
 T1 – T2 (n = 82) | 57.9 (22.4) vs 49.4 (21.3) | 8.76 | 59 | 0.49 | 0.001 |
 T0 – T2 (n = 64) | 39.3 (20.1) vs 49.4 (21.3) | 23.23 | 60 | 0.80 |  < 0.0001 |