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Table 1 Characteristics of study sample of 3,533 individuals from 859 displaced households in Ampara, Sri Lanka due to the 2004 Indian Ocean tsunami.

From: Who died as a result of the tsunami? – Risk factors of mortality among internally displaced persons in Sri Lanka: a retrospective cohort analysis

   N (%)
Individual level Total 3,533  
   Sex male 1732 49.0%
   Location when tsunami hit indoors 3,128 88.5%
  outdoors 405 11.5%
   Pre-existing health problem yes 339 9.6%
   Status survived 3,076 87.1%
  died 446 12.6%
  missing 11 0.3%
Household level Total 859  
   Living area Karaitivu 475 55.3%
  Sainthamarthu 217 25.3%
  Kalmunai 167 19.4%
   Ethnicity Shinhalese 2 0.2%
  Tamil 474 55.2%
  Moor 383 44.6%
   Educational level (highest level among householder and spouse) no school 83 9.7%
  primary 198 23.1%
  secondary 513 59.7%
  higher 65 7.6%
   Occupation of householder farming 30 3.5%
  fishing 318 37.0%
  laborer 274 31.9%
  trader 35 4.1%
  professional 29 3.4%
  others 168 19.6%
  none 5 0.6%
   Household income (Rupee) nothing 49 5.7%
  -2999 308 35.9%
  3000- 309 36.0%
  6000- 127 14.8%
  10000- 52 6.1%
  15000- 14 1.6%
   House destruction less than half 48 5.6%
  more than half 73 8.5%
  totally 738 85.9%