Assessing the impact of drinking water and sanitation on diarrhoeal disease in low- and middle-income settings: Systematic review and meta-regression

Wolf, Jennyfer, Prüss-Ustün, Annette, Cumming, Oliver, Bartram, Jamie, Bonjour, Sofie, Cairncross, Sandy, Clasen, Thomas, Colford, John M., Curtis, Valerie, De France, Jennifer, Fewtrell, Lorna, Freeman, Matthew C., Gordon, Bruce, Hunter, Paul R. ORCID: https://orcid.org/0000-0002-5608-6144, Jeandron, Aurelie, Johnston, Richard B., Mäusezahl, Daniel, Mathers, Colin, Neira, Maria and Higgins, Julian P. T. (2014) Assessing the impact of drinking water and sanitation on diarrhoeal disease in low- and middle-income settings: Systematic review and meta-regression. Tropical Medicine & International Health, 19 (8). pp. 928-942. ISSN 1360-2276

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Abstract

Objective: To assess the impact of inadequate water and sanitation on diarrhoeal disease in low- and middle-income settings. Methods: The search strategy used Cochrane Library, MEDLINE & PubMed, Global Health, Embase and BIOSIS supplemented by screening of reference lists from previously published systematic reviews, to identify studies reporting on interventions examining the effect of drinking water and sanitation improvements in low- and middle-income settings published between 1970 and May 2013. Studies including randomised controlled trials, quasi-randomised trials with control group, observational studies using matching techniques and observational studies with a control group where the intervention was well defined were eligible. Risk of bias was assessed using a modified Ottawa-Newcastle scale. Study results were combined using meta-analysis and meta-regression to derive overall and intervention-specific risk estimates. Results: Of 6819 records identified for drinking water, 61 studies met the inclusion criteria, and of 12 515 records identified for sanitation, 11 studies were included. Overall, improvements in drinking water and sanitation were associated with decreased risks of diarrhoea. Specific improvements, such as the use of water filters, provision of high-quality piped water and sewer connections, were associated with greater reductions in diarrhoea compared with other interventions. Conclusions: The results show that inadequate water and sanitation are associated with considerable risks of diarrhoeal disease and that there are notable differences in illness reduction according to the type of improved water and sanitation implemented.

Item Type: Article
Uncontrolled Keywords: water,sanitation,diarrhoea,global burden of disease,risk estimates,sdg 3 - good health and well-being ,/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being
Faculty \ School: Faculty of Medicine and Health Sciences > Norwich Medical School
University of East Anglia Research Groups/Centres > Theme - ClimateUEA
UEA Research Groups: Faculty of Medicine and Health Sciences > Research Groups > Epidemiology and Public Health
Faculty of Medicine and Health Sciences > Research Groups > Public Health and Health Services Research (former - to 2023)
Faculty of Social Sciences > Research Centres > Water Security Research Centre
Faculty of Medicine and Health Sciences > Research Centres > Population Health
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Depositing User: Pure Connector
Date Deposited: 21 Jan 2015 12:34
Last Modified: 19 Oct 2023 01:25
URI: https://ueaeprints.uea.ac.uk/id/eprint/51912
DOI: 10.1111/tmi.12331

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