Table 2 Results of PTSD prevalence rates in individual studies (total n = 30,458)
Study (author/year) | Country (HDIa) | Event/year | N | Assessment tool | Time point measured | PTSD prevalence |
|---|---|---|---|---|---|---|
Cross sectional studies | ||||||
 Caldera et al. 2001 [26] | Nicaragua (medium) | Storm, Hurricane Mitch, 1998 | 496 | Harvard Trauma Questionnaire (HTQ) | 6 months post | 5.8 % |
 Goenjian et al. 2001 [25] | Nicaragua (medium) | Storm, Hurricane Mitch, 1998 | 158 students | Child Posttraumatic Stress Reaction Index (CPTS-RI) | 6 months post | 90 %, 55 %, 14 %b |
 Huang et al. 2010 [27] | China (medium) | Flood, 1998 | 25,478 | Questionnaire | 24 months post | 9.2 % |
 Kar et al. 2004 [33] | India (medium) | Storm, super-cyclone, 1999 | 540 | Post traumatic symptom scale (PSS) & Self-Reporting Questionnaire (SRQ) | 5 months post | 44.3 % |
 Kar & Bastia 2006 [34] | India (medium) | Storm, super-cyclone, 1999 | 108 students | Clinical examination & Mini international Neuropsychiatric Interview for children/adolescents (MINI-KID) | 14 months post | 26.9 % |
 Kar et al. 2007 [30] | India (medium) | Storm, super-cyclone, 1999 | 447 students | Clinical examination & ICD-10-symptom check-list & semi-structured questionnaire | 12 months post | 30.6 % |
 Kohn et al. 2005 [44] | Honduras (medium) | Storm, Hurricane Mitch, 1998 | 800 | Composite International Diagnostic Interview Schedule (CIDI); Impact of Event Scale (IES) | 2 months post | 8.9 %, 11.6 %, 13.6 %c |
 Norris et al. 2006 [28] | Mexico (high) | Flood due to storm, 1999 | 666 | Modified version of CIDI | 6 months post | 24 % |
 Wu et al. 2011 [29] | China (medium) | Storm, snowstorm, 2008 | 968 students | IES (revised version) | 3 months post | 14.5 % |
Cohort study | ||||||
 Amstadter et al. 2009 [24] | Vietnam (medium) | Storm, Typhoon Xangsan, 2006 | 797 | Pre: SRQ; Post: National Women’s Study PTSD Module | 3 months post | 2.6 % |