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Quantifying the Impact of Floods on Bacillary Dysentery in Dalian City, China, From 2004 to 2010

Part of: Floods collection

Published online by Cambridge University Press:  27 May 2016

Xin Xu ,
Guoyong Ding ,
Ying Zhang ,
Zhidong Liu ,
Qiyong Liu  and
Baofa Jiang
Xin Xu
Affiliation:
Department of Epidemiology, School of Public Health, Shandong University, Shandong Province, China Shandong University Climate Change and Health Center, Jinan, Shandong Province, China
Guoyong Ding
Affiliation:
Department of Occupational and Environmental Health, School of Public Health, Taishan Medical College, Taian, Shandong Province, China
Ying Zhang
Affiliation:
School of Public Health, China Studies Centre, The University of Sydney, New South Wales, Australia
Zhidong Liu
Affiliation:
Department of Epidemiology, School of Public Health, Shandong University, Shandong Province, China Shandong University Climate Change and Health Center, Jinan, Shandong Province, China
Qiyong Liu
Affiliation:
Shandong University Climate Change and Health Center, Jinan, Shandong Province, China State Key Laboratory for Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, China CDC, Beijing, China.
Baofa Jiang*
Affiliation:
Department of Epidemiology, School of Public Health, Shandong University, Shandong Province, China Shandong University Climate Change and Health Center, Jinan, Shandong Province, China
*
Correspondence and reprint requests to Baofa Jiang, PhD, Department of Epidemiology, School of Public Health, Shandong University, No 44 Wenhuaxi Rd, 250012, Jinan, China (e-mail: bjiang@sdu.edu.cn).
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Abstract

Objective

Studies quantifying relationships between floods and diarrheal diseases have mainly been conducted in low-latitude regions. It’s therefore increasingly important to examine these relationships in midlatitude regions, where they may have significant public health implications. This study aimed to examine the association between floods and bacillary dysentery in the city of Dalian, China.

Methods

A generalized additive mixed model was applied to examine the association between floods and bacillary dysentery. The relative risk (RR) of flood impact on bacillary dysentery was estimated.

Results

A total of 18,976 cases of bacillary dysentery were reported in Dalian during the study period. Two weeks’ lagged effect was detected from the impact of floods on bacillary dysentery. The RR of flood impact on bacillary dysentery was 1.17 (95% CI: 1.03-1.33).

Conclusions

Floods have significantly increased the risk of bacillary dysentery in Dalian. More studies should focus on the association between floods and infectious diseases in different regions. Our findings have significant implications for managing the negative health impact of floods in the midlatitude region of China. (Disaster Med Public Health Preparedness. 2017;11:190–195)

Keywords

floodsbacillary dysenterygeneralized additive mixed modelrelative risk
Type
Original Research
Information
Disaster Medicine and Public Health Preparedness , Volume 11 , Issue 2 , April 2017 , pp. 190 - 195
Copyright
Copyright © Society for Disaster Medicine and Public Health, Inc. 2016 

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