Table 3. Pairwise comparisons (pre and post) by group (n = 121, 3 times of comparison). Data are means ±SD.
| Variables | 
Exp_G (n = 41) | 
Exp_I (n = 40) | 
Ctrl (n = 40) | 
| Pre- | 
Post- | 
p-value | 
Pre- | 
Post- | 
p-value | 
Pre- | 
Post- | 
p-value | 
| Stress | 
87.17±7.41 | 
77.68±21.62 | 
0.021* | 
91.40±18.96 | 
87.88±15.59 | 
0.363 | 
93.30±23.95 | 
94.73±9.51 | 
0.752 | 
| EE | 
11.46±3.98 | 
7.61±1.34 | 
0.000** | 
11.75±3.31 | 
8.35±1.54 | 
0.000** | 
11.78±4.15 | 
10.70±3.00 | 
0.138 | 
| Cynicism | 
8.36±3.44 | 
5.83±1.26 | 
0.000** | 
8.78±3.92 | 
6.85±1.87 | 
0.004** | 
7.65±2.64 | 
9.08±3.32 | 
0.026* | 
| PE | 
20.32±7.34 | 
11.39±4.48 | 
0.000** | 
18.28±7.54 | 
13.53±3.27 | 
0.000** | 
20.23±7.79 | 
22.65±7.67 | 
0.100 | 
| Burnout | 
37.19±10.66 | 
24.83±4.63 | 
0.000** | 
39.28±11.42 | 
28.23±5.10 | 
0.000** | 
41.30±12.21 | 
42.43±11.21 | 
0.622 | 
| PH | 
26.71±2.13 | 
30.10±1.85 | 
0.000** | 
27.7±2.68 | 
28.95±1.84 | 
0.039* | 
27.23±3.47 | 
26.35±2.20 | 
0.154 | 
| Psy | 
23.19±2.50 | 
24.07±2.37 | 
0.115 | 
23.55±2.27 | 
23.15±1.78 | 
0.391 | 
23.67±2.59 | 
21.67±2.64 | 
0.002** | 
| SR | 
11.07±2.24 | 
12.85±1.57 | 
0.000** | 
10.75±1.59 | 
11.10±1.22 | 
0.213 | 
11.55±1.45 | 
11.45±1.75 | 
0.740 | 
| Env | 
30.05±3.77 | 
31.29±4.33 | 
0.124 | 
29.50±3.29 | 
31.96±1.95 | 
0.000** | 
29.50±4.05 | 
27.63±4.02 | 
0.006** | 
| HRQoL | 
91.02±6.95 | 
98.32±7.02 | 
0.000** | 
91.50±7.47 | 
95.13±3.67 | 
0.018* | 
91.95±9.58 | 
87.10±8.37 | 
0.009** | 
EE: emotional exhaustion, PE: professional efficacy, PH: physical health, Psy: psychological, SR: social relationships, Env: environment; M = mean, SD = standard deviation;** p < 0.01,* p < 0.05.