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Table 6 Evaluation of concurrent validity: average symptom scale scores by different numbers of reported traumatic events experienced

From: Validation of the UCLA Child Post traumatic stress disorder-reaction index in Zambia

  Total number of different types of traumatic events*, categorized
  0-1
N = 134
2
N = 86
3
N = 69
4 +
N = 55
p-value**
PTSD-RI symptom scale, mean (SD) 13.13 (15.20) 14.36 (16.82) 17.36 (17.99) 23.13 (20.09) 0.002
Locally-specific symptom scale, mean (SD) 11.18 (14.12) 13.20 (17.0) 13.58 (15.64) 20.59 (20.08) 0.005
Total symptom scale, mean (SD) 24.31 (28.39) 27.56 (33.02) 30.94 (32.77) 43.72 (39.31) 0.003
  1. *8 records dropped from analysis due to missing trauma event information
  2. ** p-value for test of difference in means across groups using ANOVA