Prevalence of PTSD at 2 months, 9 months and 3 years.
The prevalence of PTSD among affected children in Phang Nga were 12.4% in the first assessment, 10.6% in the second assessment, and 5.2% in the third assessment respectively. The prevalence of depression was 13.3% in the first assessment, 8.6% in the second assessment, and 6.1% in the third assessment respectively (Table 2). Suicidal ideation among children with
depression was 42.9% (9/26) in the first assessment, 53.8% (7/13) in the second assessment, and 71.4% (5/7) in the third assessment respectively. Suicidal ideation among individuals with PTSD was 23.1% (6/26) in the first assessment, 30.8% (4/13) in the second assessment, and 50.0% (3/6) in the third assessment respectively. In the first assessment, the co-morbidity of depression among PTSD was 34.6% (9/26). One third of depressive children had PTSD.