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Table 5 Between group comparisons of mean (SD) scores at T0, T1 and T2 in subgroups according to sex

From: Effectiveness of a single-session early psychological intervention for children after road traffic accidents: a randomised controlled trial

  Intervention Control group t* p
Girls     
IBS-KJ, T0 (total scores) 40.2 (27.2) 35.8 (29.2) 0.50 .62
IBS-KJ, T1 (total scores) 29.9 (23.8) 24.6 (20.4) 0.76 .45
IBS-KJ, T2 (total scores) 21.3 (20.6) 15.9 (13.8) 0.99 .33
DIKJ, T0 (total scores) 11.7 (6.4) 11.9 (7.6) -0.06 .95
DIKJ, T1 (total scores) 9.3 (6.6) 10.4 (6.5) -0.53 .60
DIKJ, T2 (total scores) 8.0 (5.7) 7.7 (5.4) 0.14 .89
CBCL, T0 (T-scores) 55.2 (9.5) 50.3 (9.8) 1.46 .15
CBCL, T1 (T-scores) 53.5 (7.9) 50.9 (12.9) 0.65 .52
CBCL, T2 (T-scores) 49.0 (6.7) 48.5 (9.4) 0.16 .88
Boys     
IBS-KJ, T0 (total scores) 21.9 (17.8) 19.5 (14.2) 0.56 .58
IBS-KJ, T1 (total scores) 15.9 (18.8) 14.1 (9.1) 0.47 .64
IBS-KJ, T2 (total scores) 12.2 (17.8) 12.8 (8.9) -0.15 .88
DIKJ, T0 (total scores) 9.0 (5.6) 8.0 (5.1) 0.76 .45
DIKJ, T1 (total scores) 7.4 (5.2) 7.2 (4.9) 0.11 .92
DIKJ, T2 (total scores) 6.8 (6.2) 7.6 (5.8) -0.55 .59
CBCL, T0 (T-scores) 52.3 (9.2) 50.8 (8.8) 0.62 .54
CBCL, T1 (T-scores) 47.9 (11.4) 49.4 (10.5) 0.48 .63
CBCL, T2 (T-scores) 46.3 (11.0) 48.0 (8.8) -0.55 .58
  1. *Independent two-sample t-test