Detecting spatiotemporal clusters of accidental poisoning mortality among Texas counties, U.S., 1980 - 2001
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Nkhoma, Ella T, et al. Detecting Spatiotemporal Clusters of Accidental Poisoning Mortality Among Texas Counties, U.s., 1980 - 2001. BioMed Central Ltd, 2004. https://doi.org/10.17615/v0pp-9q55APA
Nkhoma, E., Ed Hsu, C., Hunt, V., & Harris, A. (2004). Detecting spatiotemporal clusters of accidental poisoning mortality among Texas counties, U.S., 1980 - 2001. BioMed Central Ltd. https://doi.org/10.17615/v0pp-9q55Chicago
Nkhoma, Ella T, Chiehwen Ed Hsu, Victoria I Hunt, and Ann Harris. 2004. Detecting Spatiotemporal Clusters of Accidental Poisoning Mortality Among Texas Counties, U.s., 1980 - 2001. BioMed Central Ltd. https://doi.org/10.17615/v0pp-9q55- Creator
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Nkhoma, Ella T
- Affiliation: Gillings School of Global Public Health, Department of Epidemiology
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Ed Hsu, Chiehwen
- Other Affiliation: Department of Public and Community Health, University of Maryland College Park, 2371 HHP Building, Valley Drive, College Park, Maryland, 20742, USA
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Hunt, Victoria I
- Other Affiliation: Department of Health Management and Policy, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, Texas, 76107, USA
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Harris, Ann
- Other Affiliation: Department of Environmental and Occupational Health, University of North Texas Health Science Center, 3500 Camp Bowie Blvd, Fort Worth, Texas, 76107, USA
- Abstract
- Abstract Background Accidental poisoning is one of the leading causes of injury in the United States, second only to motor vehicle accidents. According to the Centers for Disease Control and Prevention, the rates of accidental poisoning mortality have been increasing in the past fourteen years nationally. In Texas, mortality rates from accidental poisoning have mirrored national trends, increasing linearly from 1981 to 2001. The purpose of this study was to determine if there are spatiotemporal clusters of accidental poisoning mortality among Texas counties, and if so, whether there are variations in clustering and risk according to gender and race/ethnicity. The Spatial Scan Statistic in combination with GIS software was used to identify potential clusters between 1980 and 2001 among Texas counties, and Poisson regression was used to evaluate risk differences. Results Several significant (p < 0.05) accidental poisoning mortality clusters were identified in different regions of Texas. The geographic and temporal persistence of clusters was found to vary by racial group, gender, and race/gender combinations, and most of the clusters persisted into the present decade. Poisson regression revealed significant differences in risk according to race and gender. The Black population was found to be at greatest risk of accidental poisoning mortality relative to other race/ethnic groups (Relative Risk (RR) = 1.25, 95% Confidence Interval (CI) = 1.24 – 1.27), and the male population was found to be at elevated risk (RR = 2.47, 95% CI = 2.45 – 2.50) when the female population was used as a reference. Conclusion The findings of the present study provide evidence for the existence of accidental poisoning mortality clusters in Texas, demonstrate the persistence of these clusters into the present decade, and show the spatiotemporal variations in risk and clustering of accidental poisoning deaths by gender and race/ethnicity. By quantifying disparities in accidental poisoning mortality by place, time and person, this study demonstrates the utility of the spatial scan statistic combined with GIS and regression methods in identifying priority areas for public health planning and resource allocation.
- Date of publication
- October 27, 2004
- DOI
- Identifier
- Resource type
- Article
- Rights statement
- In Copyright
- Rights holder
- Ella T Nkhoma et al.; licensee BioMed Central Ltd.
- License
- Journal title
- International Journal of Health Geographics
- Journal volume
- 3
- Journal issue
- 1
- Page start
- 25
- Language
- English
- Is the article or chapter peer-reviewed?
- Yes
- ISSN
- 1476-072X
- Bibliographic citation
- International Journal of Health Geographics. 2004 Oct 27;3(1):25
- Publisher
- BioMed Central Ltd
- Access right
- Open Access
- Date uploaded
- September 5, 2012
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