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. 2021 Dec 22;13(1):2003993. doi: 10.1080/20008198.2021.2003993

Table 3.

Mean impact of event scale – revised (IES-r) scores at baseline and follow-up

  Baseline
One-week follow-up
IES-r subscale Lifeline Control Lifeline Control
Intrusions 6.6 (6.1) 6.8 (7.1) 5.3 (5.1) 5.9 (5.5)
Avoidance 6.9 (7.1) 7.4 (6.2) 5.1 (6.0) 6.3 (6.3)
Hyperarousal 2.8 (4.4) 2.7 (3.7) 1.9 (3.2) 2.1 (3.0)
Total PTSD symptoms 16.4 (15.7) 17.2 (15.5) 12.6 (11.7) 14.5 (13.1)

IES-r = impact of event scale, revised. Values in brackets denote standard deviations.