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Table 1 Characteristics of the shelter group and the general population sample 3 year after the Great East Japan Earthquake in 2011

From: Onset and remission of common mental disorders among adults living in temporary housing for three years after the triple disaster in Northeast Japan: comparisons with the general population

  Shelter group (n = 1089) General population in east Japan (n = 852) p for differencea
n % n %
Sex (females) 667 61.2 438 51.4 < 0.010
Age, years
 20–39 100 9.2 233 27.3 < 0.001
 40–64 357 32.8 427 50.1
 65+ 632 58.0 192 22.5
Marital status
 Married 628 57.7 615 72.2 < 0.001
 Divorced/separated 75 6.9 46 5.4
 Widowed 266 24.4 39 4.6
 Never married 120 11.0 152 17.8
 Education (high school or higher) 653 60.0 788 92.5 < 0.001
 ADL (limited) 57 5.2 1 0.1 < 0.001
Disaster experiences
 Own injury (any) 53 4.9 1 0.1 < 0.001
Bereavement during the disaster
 None 450 41.3 835 98.0 < 0.001
 Family/relative 313 28.7 5 0.6 < 0.001
 Friend/acquaintance 128 11.8 12 1.4 < 0.001
 Both 198 18.2 < 0.001
 House damage (any) 877 80.5 23 2.7 < 0.001
 Radiation anxiety (high) 326 29.9 118 13.8 < 0.001
Lifetime prevalence of mental disorders before the disaster
 Anyb 79 7.3 157 18.4 < 0.001
 Major depressive episode 13 1.2 32 3.8 < 0.001
 Manic episode 1 0.1 2 0.2 0.587
 GAD 6 0.6 16 1.9 0.008
 Panic disorder 4 0.4 4 0.5 0.736
 PTSD 4 0.4 3 0.4 1.000
 Alcohol use disorder 64 5.9 123 14.4 < 0.001
  1. aChi-square test for age and marital status; otherwise, Fisher exact test
  2. bAny of six mental disorders including major depressive episode, manic episode, generalized anxiety disorder (GAD), panic disorder, post-traumatic stress disorder (PTSD), and alcohol use disorder