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Article: Measuring exposure in hurricane katrina: a meta-analysis and an integrative data analysis

TitleMeasuring exposure in hurricane katrina: a meta-analysis and an integrative data analysis
Authors
Issue Date2014
PublisherPublic Library of Science. The Journal's web site is located at http://www.plosone.org/home.action
Citation
PLoS One, 2014, v. 9 n. 4, p. e92899 How to Cite?
AbstractTo date there is no consensus on the operationalization of exposure severity in the study of the impact of natural disasters. This is problematic because incomplete and inconsistent measurement of exposure limits the internal and external validity of disaster studies. The current paper examined the predictive validity of severity measures in two interrelated studies of Hurricane Katrina survivors. First, in a meta-analysis of eight studies that measured both exposure severity and posttraumatic stress, the effect size was estimated to be r = .266. The moderating effects of sample and study characteristics were examined and we found that minority status and number of stressors assessed were significant moderators. Second, in an integrative data analysis of five independent samples of Hurricane Katrina survivors, the impact of specific disaster-related stressors on mental health was compared. Threat to physical integrity of self and others were found to have the strongest association with posttraumatic stress (PTS) and general psychological distress (GPD). The lack of basic necessities, such as food, water, and medical care, and loss of pet were also found to be strongly associated with both PTS and GPD. The results from the two studies are integrated and their implication for disaster research and relief are discussed.
Persistent Identifierhttp://hdl.handle.net/10722/196854
ISSN
2015 Impact Factor: 3.057
2015 SCImago Journal Rankings: 1.395
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChan, CSen_US
dc.contributor.authorRhodes, JEen_US
dc.date.accessioned2014-04-29T03:46:09Z-
dc.date.available2014-04-29T03:46:09Z-
dc.date.issued2014en_US
dc.identifier.citationPLoS One, 2014, v. 9 n. 4, p. e92899en_US
dc.identifier.issn1932-6203-
dc.identifier.urihttp://hdl.handle.net/10722/196854-
dc.description.abstractTo date there is no consensus on the operationalization of exposure severity in the study of the impact of natural disasters. This is problematic because incomplete and inconsistent measurement of exposure limits the internal and external validity of disaster studies. The current paper examined the predictive validity of severity measures in two interrelated studies of Hurricane Katrina survivors. First, in a meta-analysis of eight studies that measured both exposure severity and posttraumatic stress, the effect size was estimated to be r = .266. The moderating effects of sample and study characteristics were examined and we found that minority status and number of stressors assessed were significant moderators. Second, in an integrative data analysis of five independent samples of Hurricane Katrina survivors, the impact of specific disaster-related stressors on mental health was compared. Threat to physical integrity of self and others were found to have the strongest association with posttraumatic stress (PTS) and general psychological distress (GPD). The lack of basic necessities, such as food, water, and medical care, and loss of pet were also found to be strongly associated with both PTS and GPD. The results from the two studies are integrated and their implication for disaster research and relief are discussed.en_US
dc.languageengen_US
dc.publisherPublic Library of Science. The Journal's web site is located at http://www.plosone.org/home.action-
dc.relation.ispartofPLoS Oneen_US
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleMeasuring exposure in hurricane katrina: a meta-analysis and an integrative data analysisen_US
dc.typeArticleen_US
dc.identifier.emailChan, CS: shaunlyn@hku.hken_US
dc.identifier.authorityChan, CS=rp01645en_US
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1371/journal.pone.0092899en_US
dc.identifier.pmid24713851-
dc.identifier.pmcidPMC3979656-
dc.identifier.hkuros228593en_US
dc.identifier.volume9en_US
dc.identifier.issue4-
dc.identifier.spagee92899-
dc.identifier.epagee92899-
dc.identifier.isiWOS:000334160900009-
dc.publisher.placeUnited States-

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