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Tsunami mortality in Aceh Province, Indonesia.

Shannon Doocy1, Abdur Rofi, Claire Moodie

  • 1Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21153, USA.

Bulletin of the World Health Organization
|June 5, 2007
PubMed
Summary

The 2004 Asian tsunami caused high mortality in Aceh, Indonesia, with risk varying by location, age, and sex. Females and the very young and old faced the greatest risk, with a lasting female deficit expected.

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Area of Science:

  • Disaster epidemiology
  • Public health
  • Demography

Background:

  • The 2004 Indian Ocean tsunami devastated coastal regions, particularly Aceh, Indonesia.
  • Understanding mortality patterns is crucial for disaster response and preparedness.

Purpose of the Study:

  • To characterize tsunami mortality in nine affected districts of Aceh, Indonesia.
  • To identify demographic and geographic factors influencing mortality risk.

Main Methods:

  • A two-stage cluster survey methodology was employed.
  • 1653 tsunami-displaced households (10,063 individuals) were surveyed between February and August 2005.

Main Results:

  • Overall mortality was 17% (1642 deaths/missing).
  • Mortality rates varied geographically, highest in Aceh Jaya (23.6%) and lowest on the east coast (5.3%).
  • Highest risk was observed in children (0-9 years) and older adults (70+), with females experiencing greater mortality risk than males, especially between ages 10-69.

Conclusions:

  • Tsunami mortality risk was significantly influenced by geographic location, age, and sex.
  • Aceh Jaya, Banda Aceh, and Aceh Besar districts faced the highest mortality.
  • The study highlights a significant and potentially long-lasting female deficit in the affected population.