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Table 1 Characteristics of participants according to social trust on the first health survey after the GEJE

From: Social trust predicts sleep disorder at 6 years after the Great East Japan earthquake: data from a prospective cohort study

  Interpersonal trusta  
High Low  
(n = 840) (n = 453) p
Sex (%)
 Men 373 (44.4%) 220 (48.6%) 0.20
 Women 467 (55.6%) 233 (51.4%)  
Age, years (SD) 64.46 (14.35) 58.82 (13.48) < 0.01
Resident status (%)
 Same as before the GEJE 409 (48.7%) 185 (40.8%) < 0.05
 Relocation after the GEJEb 401 (47.7%) 261 (57.6%)  
Economic status
 very hard or hard 230 (27.4%) 211 (46.6%) < 0.05
 a little hard or normal 607 (72.3%) 241 (53.2%)  
History of stroke (%) 15 (1.8%) 10 (2.2%) 0.59
History of hypertension (%) 329 (39.2%) 167 (36.9%) 0.42
History of myocardial infaction (%) 43 (5.1%) 25 (5.5%) 0.76
History of diabetes mellitus (%) 60 (7.1%) 35 (7.7%) 0.70
Current Smoker (%) 149 (17.7%) 110 (24.3%) < 0.05
Current Drinker (%) 276 (32.9%) 161 (35.5%) 0.34
Time spent walking (%)
  ≤ 0.5 h/day 257 (30.6%) 133 (29.4%) 0.14
 0.5–1.0 h/day 301 (35.8%) 144 (31.8%)  
  ≥ 1 h/day 280 (33.3%) 175 (38.6%)  
AIS score (SD) 4.57 (3.60) 6.44 (3.94) < 0.01
K6 score (SD) 4.32 (4.08) 6.77 (4.99) < 0.01
LSNS-6 score (SD) 16.02 (5.66) 13.50 (5.73) < 0.01
  1. SD Standard deviation
  2. a Social trust measured by the responding, “People in my community can be trusted” (High; “Strongly agree” and“Somewhat agree”. Low; “Neither agree nor disagree”, “Somewhat disagree”, and “Strongly disagree”)
  3. b Relocation after the GEJE:shelter, temporary house, rental house, family house or friends house, and others