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Table 1 IES-R total and subscale mean scores by subgroups

From: Stress reactions after a patient suicide and their relations to the profile of mental health professionals

Subgroup Impact Total IES-R mean score [SD] Intrusion mean score [SD] Avoidance mean score [SD] Hyperarousal mean score [SD] Total IES-R score ≥25 Size (n) Size (%)
A Low 8.6 [8.3] 5.2 [4.2] 2.3 [2.9] 1.0 [2.6] 3.2 % 63 9.5 %
B Low 9.8 [9.6] 5.3 [4.6] 3.1 [4.2] 1.5 [2.8] 8.8 % 151 22.7 %
C Low 11.1 [11.7] 6.0 [5.2] 3.7 [5.0] 1.4 [3.3] 9.7 % 157 23.6 %
D Moderate 16.0 [11.9] 9.4 [6.0] 4.3 [4.5] 2.3 [3.1] 19.0 % 244 36.6 %
E High 21.2 [13.4] 11.4 [6.4] 6.2 [5.0] 3.6 [4.4] 33.3 % 51 7.7 %
Total   13.1 [11.7] 7.4 [5.8] 3.8 [4.5] 1.9 [3.2] 14.0 % 666 100.0 %
Differences between subgroups (p)   <0.001a <0.001a <0.001a <0.001a <0.001b   
  1. IES-R scores are the criterion, subgroup membership is the predictor
  2. aone-way analysis of variance
  3. bchi-square test
  4. Percentages may not total 100 due to rounding