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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Epidemiol Psychiatr Sci. 2012 Mar;21(1):35–45. doi: 10.1017/s2045796011000758

Table 2.

Prevalence of exposure to natural disaster in the WHO World Mental Health Surveys (n = 56 872)

Country by income category Prevalence of lifetime exposure to natural disaster
Proportion of respondents exposed to natural disaster with related trauma in the same yeara
Prevalence of lifetime exposure to complex natural disaster traumab
(n)
% (se) % (se) % (se)
Low/lower-middle income
 Colombia 9.9 (1.1) 1.8 (0.4) 18.5 (3.3) (2381)
 India (Pondicherry) 0.0 (0.0) 0.0 (0.0) NA NA (1373)
 Nigeria 2.4 (0.4) 0.6 (0.1) 23.0 (6.8) (2143)
 China (Beijing/Shanghai) 18.9 (1.6) 0.9 (0.3) 4.7 (1.8) (1628)
 Ukraine 2.9 (0.7) 0.2 (0.1) 5.6 (2.5) (1720)
 Total 7.0 (0.4) 0.8 (0.1) 11.3 (1.6) (9245)
Upper-middle income
 Brazil (Sao Paolo) 0.0 (0.0) 0.0 (0.0) NA NA (2942)
 Bulgaria 1.3 (0.3) 0.2 (0.1) 15.4 (9.2) (2233)
 Lebanon 5.9 (1.2) 0.6 (0.5) 10.1 (7.8) (1031)
 Mexico 12.2 (1.3) 1.1 (0.3) 9.0 (2.5) (2362)
 Romania 5.1 (0.5) 0.5 (0.2) 10.4 (4.0) (2357)
 South Africa 4.1 (0.5) 0.7 (0.2) 15.8 (3.4) (4315)
 Total 4.4 (0.3) 0.5 (0.1) 11.4 (1.8) (15 240)
High income
 Belgium 4.4 (1.3) 0.1 (0.1) 2.8 (2.3) (1043)
 France 7.8 (1.3) 0.8 (0.3) 9.7 (4.4) (1436)
 Germany 5.5 (0.7) 0.2 (0.2) 3.9 (3.1) (1323)
 Israel 1.6 (0.2) 0.3 (0.1) 18.9 (4.2) (4859)
 Italy 7.8 (1.3) 0.4 (0.2) 5.7 (2.2) (1779)
 Japan 5.4 (0.7) 0.6 (0.2) 10.8 (4.1) (1682)
 Netherlands 3.9 (1.1) 0.3 (0.2) 6.5 (4.3) (1094)
 New Zealand 9.6 (0.6) 1.0 (0.2) 11.0 (1.7) (7312)
 Northern Ireland 1.4 (0.6) 0.6 (0.5) 44.6 (20.7) (1986)
 Portugal 4.2 (0.5) 0.3 (0.1) 7.6 (2.8) (2060)
 Spain 2.9 (0.5) 0.2 (0.1) 8.1 (3.4) (2121)
 United States 17.4 (1.0) 1.9 (0.2) 11.2 (1.1) (5692)
 Total 7.5 (0.3) 0.8 (0.1) 10.7 (0.8) (32 387)
Total 6.6 (0.2) 0.7 (0.1) 10.9 (0.7) (56 872)
a

Proportion of respondents exposed to a natural disaster who also experienced an additional related trauma in the same year as the natural disaster. See Methods section for details.

b

Total proportion of respondents exposed to complex natural disaster trauma. Complex natural disaster trauma involves exposure to a natural disaster and at least one additional related trauma in the same year as the natural disaster. See Methods section for details.