Table 1.
Number and type of trauma experiences, PTSS at baseline, and change in PTSS from pre- to post-treatment among youth receiving TF-CBT
| Overalla (N = 1240) | Girls (N = 793) | Boys (N = 274) | Test of differenceb t-test/ exact chi square p-value | Cramer’s V / Cohen’s Dc | |
|---|---|---|---|---|---|
| Number of traumas | |||||
| Mean (SD) | 3.24 (1.41) | 3.30 (1.46) | 3.04 (1.27) | .459 | -0.05 (-0.19 – 0.09) |
| Median [Min, Max] | 3 [1.0, 6.0] | 3 [1.0, 6.0] | 3 [1.0, 6.0] | ||
| Sexual Abuse | 391 (31.5%) | 349 (44.0%) | 39 (14.2%) | < .001 | 0.28 (0.23–0.31) |
| Community Violence | 362 (29.2%) | 252 (31.8%) | 107 (39.1%) | .035 | 0.07 (0.01–0.13) |
| Severe bullying or threats | 433 (34.9%) | 321 (40.5%) | 109 (39.8%) | .742 | 0.01 (0.00–0.07) |
| Domestic Violence | 383 (30.9%) | 275 (34.7%) | 107 (39.1%) | .230 | 0.04 (0.00–0.10) |
| Accidents/Illness | 420 (33.9%) | 309 (39.0%) | 108 (39.4%) | .990 | 0.00 (0.00–0.07) |
| PTSS baseline | |||||
| Mean (SD) | 33.5 (9.74) | 34.8 (9.74) | 29.9 (9.11) | < .001 | -0.51 (-0.65—-0.37) |
| Median [Min, Max] | 33.0 [10.0, 67.0] | 35.0 [10.0, 67.0] | 29.0 [15.0, 56.0] | ||
| PTSS change (pre-post) | |||||
| Mean (SD) | 18.6 (11.6) | 18.9 (11.4) | 16.1 (11.9) | .010 | -0.24 (-0.42—-0.06) |
| Median [Min, Max] | 19.0 [-31.0, 52.0] | 19.0 [-13.0, 52.0] | 16.0 [-31.0, 50.0] | ||
| Missing | 520 (41.9%) | 354 (44.6%) | 105 (38.3%) | ||
aDue to missing data on gender, the overall mean differs from the mean for boys and girls, respectively
bTests refer to differences between the boys and girls
cCramer’s V estimate was used for categorical variables, Cohen’s D was used for continuous scores