Table 3

Results of outcome measures of T1 and T2
Measures Groups Mean difference (T1-T2) Within-groups Effect size Between-groups Effect size
95% CI df t df F
IES-R Avoidance NET 8.55 (3.85 to 13.24) 10 4.05** 1.09 1,19 28.99*** 1.46
WL −0.36 (1.54 to 0.81) 10 −0.69 0.09
IES-R Intrusion NET 8.18 (4.40 to 11.97) 10 4.82** 1.35 1,19 22.20*** 1.58
WL 1.36 (−0.02 to 2.75) 10 2.19 0.35
IES-R Hyperarousal NET 5.64 (4.04 to 7.23) 10 7.68*** 1.30 1,19 57.30*** 1.99
WL −0.55 (−2.02 to 0.94) 10 −0.82 0.16
GHQ-28 NET 6.45 (4.72 to 8.19) 10 8.29*** 1.44 1,19 33.33*** 2.17
WL −0.36 (−3.85 to 3.11) 10 −0.23 0.06
HADS Anxiety NET 3.18 (2.06 to 4.30) 10 6.35*** 0.90 1,19 21.38*** 1.01
WL 0.91 (−0.58 to 2.40) 10 1.36 0.20
HADS Depression NET 4.00 (1.83 to 6.17) 10 4.11** 1.13 1,19 14.57** 1.05
WL 0.00 (−1.62 to 1.62) 10 0.00 0.00
CiOQ Positive NET −2.09 (−3.19 to −0.99) 10 4.23** 0.65 1,19 3.86a 0.07
WL 0.09 (−1.39 to 1.58) 10 0.14 0.04
CiOQ Negative NET 4.73 (2.50 to 6.96) 10 4.72** 0.66 1,19 32.14*** 0.61
WL −0.82 (−1.97 to 0.34) 10 −1.58 0.12
MSPSS NET −1.36 (−4.20 to 1.48) 10 1.07 0.11 1,19 4.25b 0.33
WL 2.09 (−0.86 to 5.04) 10 1.60 0.31
SCSQ Active NET −1.64 (−3.85 to 0.58) 10 −1.65 0.21 1,19 5.21* 0.31
WL 2.59 (−0.65 to2.83) 10 1.40 0.18
SCSQ Passive NET 0.91 (−0.38 to 2.20) 10 1.57 0.23 1,19 4.44* 0.45
WL −0.27 (−0.95 to 0.41) 10 −0.90 0.10

Means difference, 95% CI, paired t-test, within group effect sizes, ANCOVA analysis, and between group effect sizes.

*p<0.05; **p<0.01; ***p<0.001.

a.p=0.06.

b.p=0.05.

Zang et al.

Zang et al. BMC Psychiatry 2013 13:41   doi:10.1186/1471-244X-13-41

Open Data