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. 2013 May 25;13:149. doi: 10.1186/1471-244X-13-149

Table 2.

Between group comparison for the participants with higher and lower SDQ-20 (than median)

  Mean lower
Mean higher
MW- test Z MW- test p r
<22 N = 130 ≥22 N = 120
SDQ-20
20.44 ± 0.66
26.21 ± 4.66
−13.42
0
1.11
TSC-40
12.47 ± 8.36
23.36 ± 11.38
−7.79
10−14
0.96
BDI-II
5.62 ± 6.3
9.97 ± 6.94
−5.40
0.00000006
0.58
SAS
30.09 ± 5.81
36.70 ± 8.73
−6.40
0.0000000001
0.77
TAS-20 43.81 ± 8.09 48.32 ± 10.07 −3.51 0.0004 0.47

Note. Mean lower (or higher) represents mean score in the subgroup with SDQ-20 score lower or higher (or equal) with respect to median of SDQ-20; Somatoform Dissociation Questionnaire (SDQ-20); TSC-40- Trauma Symptoms Checklist; BDI-II- Beck Depression Inventory; Zung’s Self-Rating Anxiety Scale (SAS); Toronto Alexithymia Scale (TAS-20); r- standardized effect size- type I error rate alpha < 0.05.