Table 2.
Mean, SD, distribution of the dependent variables by group and mean difference and effect sizes (Hedges’ g) of the comparison between groups.
| Non-students (N = 590) | Students (N = 486) | Mean difference [95%CI] | Hedges’ g [95%CI] | |
|---|---|---|---|---|
| CORE-OM total | ||||
| Mean (SD) | 0.99 (0.57) | 1.13 (0.62) | 0.14 [0.07,0.21] | − 0.24 [− 0.35, − 0.12] |
| Median [min, max] | 0.882 [0.03, 2.97] | 1.06 [0, 3.26] | ||
| CORE-OM non-risk (NR) | ||||
| Mean (SD) | 1.16 (0.64) | 1.32 (0.69) | 0.17 [0.08, 0.025] | − 0.25 [− 0.37, − 0.13] |
| Median [min, max] | 1.07 [0, 3.21] | 1.29 [0, 3.68] | ||
| CORE-OM risk | ||||
| Mean (SD) | 0.23 (0.39) | 0.24 (0.39) | 0.009 [− 0.04, 0.06] | − 0.02 [− 0.14, 0.09] |
| Median [min, max] | 0 [0, 2.67] | 0 [0, 2.00] | ||
| EQ-VAS | ||||
| Mean (SD) | 76.10 (22.3) | 70.20 (23.2) | − 5.88 [− 8.84, − 3.21] | 0.26 [0.14, 0.38] |
| Median [min, max] | 82.0 [1.00, 100] | 74.5 [1.00, 100] | ||
| EQ-index | ||||
| Mean (SD) | 0.95 (0.06) | 0.94 (0.07) | − 0.01 [− 0.02, − 0.01] | 0.27 [0.15, 0.39] |
| Median [min, max] | 0.96 [0.63, 1.00] | 0.96 [0.42, 1.00] | ||
| WGO positive | ||||
| Mean (SD) | 5.83 (1.27) | 5.65 (1.33) | − 0.17 [− 0.34, -0.02] | 0.14 [0.02, 0.26] |
| Median [min, max] | 6.00 [1.00, 7.00] | 6.00 [1.00, 7.00] | ||
| Missing | 78 (11.7%) | 13 (2.6%) | ||
| WGO negative | ||||
| Mean (SD) | 3.81 (1.76) | 3.61 (1.77) | − 0.20 [− 0.41, − 0.02] | 0.12 [− 0.005, 0.24] |
| Median [min, max] | 3.50 [1.00, 7.00] | 3.00 [1.00, 7.00] | ||
CORE-OM Clinical Outcomes in Routine Evaluation, NR Non-risk items score, EQ-Index EuroQol five-dimension-three-level Index, EQ-VAS EuroQol Visual Analogue Scale, WGO+ve What’s Going On score for “good things happened to me these last two months”, WGO−ve What’s Going On score for “bad things happened to me these last two months”.