Table 2

Baseline comparisons of scores on outcome measures and mediators
Intervention condition Waitlist condition T (df) P ICC
(N = 153) (N = 176)
Mean SD Mean SD
Outcomes PTSD symptoms 15.62 9.42 16.30 7.35 −0.738 (327) 0.461 0.035
Depressive symptoms 9.97 4.82 11.28 5.08 −2.396 (327) 0.017* 0.036
Hope 15.97 5.77 15.03 5.81 1.471 (327) 0.142 0.038
Function impairment 13.97 5.01 14.49 5.12 −0.934 (327) 0.351 0.035
Mediators Coping repertoire 7.72 2.57 8.92 2.40 −4.354 (325) 0.000** 0.036
Coping satisfaction 17.68 7.01 19.66 5.84 −2.793 (325) 0.006** 0.036
Social support 10.51 5.10 12.63 4.46 −4.024 (327) 0.000** 0.031

df, degrees of freedom; ICC, intra cluster correlation; PTSD, posttraumatic stress disorder; SD, standard deviation; *: statistically significant at α 0.01-0.05, **: statistically significant at α <0.01.

Tol et al.

Tol et al. BMC Medicine 2014 12:56   doi:10.1186/1741-7015-12-56

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