The article aimed to find the causes of microbial contamination of drinking water source, by exploring the influencing factors of water on the incidence of diarrhea in children. Random stratified-cluster sampling was used to study Li and Han communities of rural Lingshui County with regard to water quality and environmental sanitation. Water samples were evaluated for microbial contamination using National Standard of the People's Republic of China and World Health Organization drinking water standards. Data were compared between ethnic groups. Li communities had more contamination than Han. The correlation between the frequency of diarrhea among children and the presence of microorganisms in the water was positive, for both total coliforms and Escherichia coli (E. coli). Regression analysis showed the substandard risk factors of total coliforms for source water were type of water supply (OR = 3.508) and garbage disposal methods (OR = 2.430). For E. coli, risk factors included the source of water supply (OR = 2.417); depth of wells (OR = 0.536) and distance of wells from the cesspit (OR = 0.723). The content of bacterium in drinking water source was high in the rural county. Water from open wells had higher contamination rates than water from centralized systems and tube-well sources. Improvement of water supply and environmental hygiene would decrease diarrheal diseases among children under five.
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Research Article|
May 04 2016
Microbial contamination and environmental factors of drinking water source for households with children under five years old in two South China ethnic groups Available to Purchase
Wen Fang Long;
Wen Fang Long
1School of Public Health Hainan Medical University, No. 3 Xueyuan Road, Longhua District, HaiKou 571199, Hainan Province, China
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Spencer Lloyd;
Spencer Lloyd
2Infectious Disease Fellow, Division of Infectious Diseases, Department of Internal Medicine, University of Utah School of Medicine, 30 North 1900 East, Room 4B319, Salt Lake City, UT 84132, USA
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Fan Zhang;
Fan Zhang
1School of Public Health Hainan Medical University, No. 3 Xueyuan Road, Longhua District, HaiKou 571199, Hainan Province, China
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Qiao Li;
Qiao Li
1School of Public Health Hainan Medical University, No. 3 Xueyuan Road, Longhua District, HaiKou 571199, Hainan Province, China
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HaiRong Huang;
HaiRong Huang
1School of Public Health Hainan Medical University, No. 3 Xueyuan Road, Longhua District, HaiKou 571199, Hainan Province, China
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Cong Yi
1School of Public Health Hainan Medical University, No. 3 Xueyuan Road, Longhua District, HaiKou 571199, Hainan Province, China
E-mail: [email protected]
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Water Supply (2016) 16 (6): 1514–1518.
Article history
Received:
September 28 2015
Accepted:
April 22 2016
Citation
Wen Fang Long, Spencer Lloyd, Fan Zhang, Qiao Li, HaiRong Huang, Cong Yi; Microbial contamination and environmental factors of drinking water source for households with children under five years old in two South China ethnic groups. Water Supply 1 December 2016; 16 (6): 1514–1518. doi: https://doi.org/10.2166/ws.2016.079
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