Skip to main content

Table 4 Comparison of changes in IES-R 1 scores from 6 months postdisaster (T1) to 24 months postdisaster (T2) among respondents with high level of posttraumatic stress at T1 (IES-R ≥33)

From: Posttraumatic stress and symptom improvement in Norwegian tourists exposed to the 2004 tsunami – a longitudinal study

  IES-R (T1) IES-R (T2) Improvement in IES-R
  Mean (95% CI) Mean (95% CI) Mean (95% CI) Statistical test2 p-value
Referred to a mental health specialist (n = 42) 50.4 (46.7-54.9) 45.3 (39.9-50.6) 5.10 (0.80-9.39) 2.40 0.021
Not referred (n = 171) 45.8 (44.0-47.5) 37.9 (35.4-40.3) 7.90 (5.56-10.2) 6.92 <0.001
  1. 1Impact of Event Scale Revised.
  2. 2Paired samples t-test.
  3. Table 4 shows mean of total IES-R score among respondents with high level of posttraumatic stress at T1 (IES-R ≥33, n = 213) stratified by whether they were referred to a mental health specialist or not. The decline in IES-R score in both groups is tested for statistical significance.