Impacts of Tropical Cyclones and Accompanying Precipitation on Infectious Diarrhea in Cyclone Landing Areas of Zhejiang Province, China

Zhengyi Deng, Huanmiao Xun, Maigeng Zhou, Baofa Jiang, Songwang Wang, Qing Guo, Wei Wang, Ruihua Kang, Xin Wang, Gifty Marley and Wei Ma
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Zhengyi Deng: Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, 44 West Wenhua Road, Jinan 250012, China
Huanmiao Xun: Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, 44 West Wenhua Road, Jinan 250012, China
Maigeng Zhou: National Center for Chronic and Noncommunicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 155 Changbai Road, Changping District, Beijing 102206, China
Baofa Jiang: Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, 44 West Wenhua Road, Jinan 250012, China
Songwang Wang: National Center for Public Health Surveillance and Information Services, Chinese Center for Disease Control and Prevention, 155 Changbai Road, Changping District, Beijing 102206, China
Qing Guo: National Center for Public Health Surveillance and Information Services, Chinese Center for Disease Control and Prevention, 155 Changbai Road, Changping District, Beijing 102206, China
Wei Wang: Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, 44 West Wenhua Road, Jinan 250012, China
Ruihua Kang: Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, 44 West Wenhua Road, Jinan 250012, China
Xin Wang: Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, 44 West Wenhua Road, Jinan 250012, China
Gifty Marley: Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, 44 West Wenhua Road, Jinan 250012, China
Wei Ma: Department of Epidemiology and Health Statistics, School of Public Health, Shandong University, 44 West Wenhua Road, Jinan 250012, China

IJERPH, 2015, vol. 12, issue 2, 1-15

Abstract: Background : Zhejiang Province, located in southeastern China, is frequently hit by tropical cyclones. This study quantified the associations between infectious diarrhea and the seven tropical cyclones that landed in Zhejiang from 2005–2011 to assess the impacts of the accompanying precipitation on the studied diseases. Method : A unidirectional case-crossover study design was used to evaluate the impacts of tropical storms and typhoons on infectious diarrhea. Principal component analysis (PCA) was applied to eliminate multicollinearity. A multivariate logistic regression model was used to estimate the odds ratios (ORs) and the 95% confidence intervals (CIs). Results : For all typhoons studied, the greatest impacts on bacillary dysentery and other infectious diarrhea were identified on lag 6 days (OR = 2.30, 95% CI: 1.81–2.93) and lag 5 days (OR = 3.56, 95% CI: 2.98–4.25), respectively. For all tropical storms, impacts on these diseases were highest on lag 2 days (OR = 2.47, 95% CI: 1.41–4.33) and lag 6 days (OR = 2.46, 95% CI: 1.69–3.56), respectively. The tropical cyclone precipitation was a risk factor for both bacillary dysentery and other infectious diarrhea when daily precipitation reached 25 mm and 50 mm with the largest OR = 3.25 (95% CI: 1.45–7.27) and OR = 3.05 (95% CI: 2.20–4.23), respectively. Conclusions : Both typhoons and tropical storms could contribute to an increase in risk of bacillary dysentery and other infectious diarrhea in Zhejiang. Tropical cyclone precipitation may also be a risk factor for these diseases when it reaches or is above 25 mm and 50 mm, respectively. Public health preventive and intervention measures should consider the adverse health impacts from tropical cyclones.

Keywords: tropical cyclone; precipitation; infectious diarrhea; bacillary dysentery; risk factor (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2015
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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