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Table 1 Comparative characteristics of IDPs and non-IDPs and total sample descriptive statistics

From: Determinants of psychological morbidity in survivors of the earthquake and tsunami in Aceh and Nias

  IDP
group
N = 616
non-IDP
group
n = 167
Statistical
Outcome
Total
Sample
N = 783
Demographics     
   Mean Age (sd) 34.5 (13.5) 33.2 (12.7) ns1 34.2 (13.4)
   Sex (% male) 46.3 50.9 ns2 47.3
   Mean Education (sd) 1.86 (1.21) 2.75 (1.31) ***3 2.05 (1.28)
   Muslim (%) 88.0 92.2 ns5 88.9
Living in (% in)    *** 4  
   House 23.9 100   40.1
   Camp 72.1 0   56.7
   Hospital 4.1 0   3.2
Tsunami exposure (% yes)     
   In disaster zone/saw wave 93.2 6.0 ***6 74.6
   Experienced wave/earthquake 84.9 34.7 ***7 74.2
   Physically injured 33.3 1.2 ***8 26.4
   Death immediate family 40.9 17.4 ***9 35.9
   Missing immediate family 32.0 16.2 ***10 28.6
   Death extended family 68.0 61.1 ns11 65.5
   Missing extended family 55.0 58.7 ns12 55.8
   Property loss 92.5 18.6 ***13 76.8
   Swept by wave/almost killed 39.4 0.0 ***14 31.0
   Mean sum exposures (sd) 5.39 (1.94) 2.13 (1.47) ***15 4.70 (2.28)
Tsunami impact (% yes)     
   On job 54.2 32.9 ***16 49.7
   Household activities 40.9 23.9 ***17 37.3
   Friendships 31.9 24.4 ns18 30.3
   Recreation 44.2 40.9 ns19 43.5
   School/study 13.6 14.0 ns20 13.7
   On family relationships 25.3 15.2 **21 23.2
   Sexual activity 27.1 8.5 ***22 23.2
   Life in general 52.7 39.6 **23 49.9
   Daily activities 41.7 41.5 ns24 41.7
   Mean sum impact (sd) 3.28 (2.34) 2.37 (2.22) ***25 3.08 (2.35)
Resilience beliefs     
   Psychological 2.29 (1.22) 2.31 (1.22) ns26 2.30 (1.22)
   Physical 2.38 (1.31) 2.41 (1.28) ns27 2.39 (1.30)
Psychopathology     
   Mean total SRQ-20 10.32 (4.51) 6.43 (4.69) ***28 9.49 (4.91)
   Mean total post-traumatic symptoms 2.24 (1.62) 1.50 (1.53) ***29 2.08 (1.63)
   Increased alcohol use (%yes) 3.2 1.8 ns30 2.9
   Someone will harm one (%yes) 7.5 3.6 ns31 6.6
   Interference in thoughts (%yes) 24.8 13.8 **32 22.5
   Hearing voices (%yes) 26.5 12.0 ***33 23.4
  1. 1 t(781) = 1.12, p = .263
  2. 2 c2(1) = 1.13, p = .288
  3. 3 t(781) = 8.25, p < .001
  4. 4 c2(2) = 317.06, p < .001
  5. 5 c2(1) = 2.38, p = .123
  6. 6 c2(1) = 526.94, p < .001
  7. 7 c2(1) = 172.77, p < .001
  8. 8 c2(1) = 69.44, p < .001
  9. 9 c2(1) = 31. 65, p < .001
  10. 10c2(1) = 16.09, p < .001
  11. 11 c2(1) = 2.84, p = .092
  12. 12 c2(1) = .71, p = .400
  13. 13 c2(1) = 402.92, p < .001
  14. 14 c2(1) = 95.52, p < .001
  15. 15 c2(1) = 23.36, p < .001
  16. 16 t(339.5) = 23.61, p < .001
  17. (unequal variances assumed)
  18. 17 c2(1) = 16.17, p < .001
  19. 18 c2(1) = 3.41, p = .065
  20. 19 c2(1) = .579, p = .447
  21. 20 c2(1) = .017, p = .896
  22. 21 c2(1) = 7.32, p < .01
  23. 22 c2(1) = 25.00, p < .001
  24. 23 c2(1) = 8.84, p < .01
  25. 24 c2(1) = .003, p = .955
  26. 25 t(781) = 4.50, p < .001
  27. 26 t(777) = .177, p = .859
  28. 27 t(777) = 4.50, p = .797
  29. 28 t(781) = 9.57, p < .001
  30. 29 t(781) = 5.25, p < .001
  31. 30 c2(1) = .97, p = .325
  32. 31 c2(1) = 3.18, p = .074
  33. 32 c2(1) = 9.23, p < .01
  34. 33 c2(1) = 15.39, p < .001