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Risk Assessment for Earthquake Survivors: Evaluation of Generation Difference

Published online by Cambridge University Press:  08 April 2013

Tomoyuki Kawada
Tomoyuki Kawada*
Affiliation:
Department of Hygiene and Public Health, Nippon Medical School, Tokyo, Japan.
*
Correspondence: Tomoyuki Kawada, MD, Department of Hygiene and Public Health, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo 113-8602, Japan (e-mail: kawada@nms.ac.jp).
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Information

Type
Letters to the Editor
Information
Disaster Medicine and Public Health Preparedness , Volume 6 , Issue 4 , December 2012 , pp. 325
Copyright
Copyright © Society for Disaster Medicine and Public Health, Inc. 2012

To the Editor:

I have read with much interest the timely paper by Hashmi et al dealing with effects of earthquakes using questionnaires.Reference Hashmi, Petraro and Rizzo1 The great East Japan disaster struck on March 11, 2011. This disaster encompassed multiple components, including the earthquake, the consequent tsunami, and the nuclear power plant accident. Approximately 20 000 persons died or are still missing.

The authors used the Posttraumatic Stress Disorder Checklist (PCL) ScaleReference Ventureyra, Yao, Cottraux, Note and De Mey-Guillard2 and the Hopkins Symptom Checklist (HSCL) scaleReference Halepota and Wasif3 to evaluate posttraumatic stress disorder (PTSD) and anxiety-depression in the survivors. They reported that half of the survivors had symptoms of PTSD, and that more than three-fourths of the survivors still had symptoms of anxiety 6 months after the incident. Their research, however, had a cross-sectional design. A continuous follow-up of the 361 survivors enrolled would have clarified the change in the prevalence of PTSD, anxiety, and depression with time.

Johannesson et al repeatedly used the Impact of Event Scale-Revised (IES-R)Reference Weiss, Marmar, Wilson and Keane4 and the General Health Questionnaire, 12-item version (GHQ-12),Reference Goldberg, Gater and Sartorius5 to evaluate PTSD and general mental health.Reference Johannesson, Lundin, Fröjd, Hultman and Michel6 These authors reported on a comparison of the IES-R scores and GHQ-12 scores that were evaluated at 14 months and 3 years, respectively, after a disaster. While the GHQ-12 score increased in the subjects who were 40 years or younger, the score decreased in the subjects who were older than 40 years; the IES-R score decreased in all age groups. The PTSD score did not change in parallel with the general mental health. As a result, special attention should be paid to the younger generation to provide mental support for victims of natural disasters.

Although Hashmi et al classified the survivors in their study into 2 groups by age, using 45 years as the cutoff point, they found no significant contribution of age class on anxiety, depression, or PTSD in the subjects. Based on these findings, I recommend that Hashmi et al conduct a longitudinal follow-up of the survivors to clarify the long-term health effects of the great disaster.

References

REFERENCES

1.Hashmi, SPetraro, PRizzo, T, et alSymptoms of anxiety, depression, and posttraumatic stress among survivors of the 2005 Pakistani earthquake. Disaster Med Public Health Prep. 2011;5(4)293–299.Google Scholar
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