A Systematic Review and Meta-Analysis of the Association between Self-Reported Diarrheal Disease and Distance from Home to Water Source

Xia Wang School of Medicine, Health Policy, and Practice, University of East Anglia, Norwich, United Kingdom

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Paul R. Hunter School of Medicine, Health Policy, and Practice, University of East Anglia, Norwich, United Kingdom

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The aim of this study was to identify whether there was a relationship between the distance that people have to carry water home and ill health. We conducted a systematic review for papers that reported on the association between diarrheal risk and distance. Six papers were identified for inclusion in the meta-analysis. These were all observational studies, and only two reported effect sizes that adjusted for possible confounding. Multiple different types of water sources supplied the study communities. The combined odds ratio (OR) showed a significant increase in illness risk in people living farther away from their water source (OR = 1.45; 95% confidence interval [CI] = 1.04–1.68). There is a need for better designed studies to further elucidate the health impacts on having to carry water home.

Author Notes

*Address correspondence to Paul R. Hunter, School of Medicine, Health Policy, and Practice, University of East Anglia, Norwich NR4 7TJ, UK. E-mail: Paul.Hunter@uea.ac.uk

Disclosure: P.R.H. is Chair of the Board of Directors of the Institute of Public Health and Water Research and Chair of the Science Advisory Council to Suez Environment plc. This statement is made in the interest of full disclosure and not because the author considers this to be a conflict of interest.

Authors' addresses: Xia Wang and Paul R. Hunter, School of Medicine, Health Policy, and Practice, University of East Anglia, Norwich, UK, E-mails: X.Wang@uea.ac.uk and Paul.Hunter@uea.ac.uk.

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