Postdisaster PTSD over four waves of a panel study of Mexico's 1999 flood.

  title={Postdisaster PTSD over four waves of a panel study of Mexico's 1999 flood.},
  author={Fran H. Norris and Arthur D. Murphy and Charlene K. Baker and Julia L. Perilla},
  journal={Journal of traumatic stress},
  volume={17 4},
Samples of adults representative of Tezuitlán, Puebla and Villahermosa, Tobasco (combined N = 561), were interviewed 6, 12, 18, and 24 months after the devastating 1999 floods and mudslides in Mexico. Current DSM-IV PTSD and major depressive disorder (MDD) were assessed with the Composite International Diagnostic Interview. At Wave 1, PTSD was highly prevalent (24% combined), especially in Tezuitlán (46%), which had experienced mass casualties and displacement. Both linear and quadratic effects… CONTINUE READING
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