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Faecal contamination of water and fingertip-rinses as a method for evaluating the effect of low-cost water supply and sanitation activities on faeco-oral disease transmission. II. A hygiene intervention study in rural north-east Thailand

Published online by Cambridge University Press:  15 May 2009

J. V. Pinfold
J. V. Pinfold
Affiliation:
Department of Civil Engineering, University of Leeds, Leeds LS2 9JT, England
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An intervention study was developed from risk-factors associated with faecooral transmission, based on the levels of contamination in stored water and fingertip-rinses from households in rural north-east Thailand. This was designed to improve: (a) handwashing, particularly before cooking/eating and after defecation; (b) washing dishes immediately after use. Verbal messages were administered to two intervention groups, one also received a plastic container with a tap to assist these activities. Indicators of compliance were the direct observation of soaking dishes and the presence of faecal streptococci from fingertip-rinses; the main outcome indicator was Escherichia coli contamination of stored water. The intervention group receiving the container was significantly better than the control for indicators of compliance (P < 0·001 and P < 0·01) and its stored water was significantly less contaminated (P < 0·001). There was no significant improvement to the other intervention group, although some features of the intervention had clearly been made available to the control group. Humidity was significantly correlated with fingertip contamination (r = 0·2; P < 0·001) and with the peak of reported diarrhoea around the beginning of the rainy season.

Type
Research Article
Information
Epidemiology & Infection , Volume 105 , Issue 2 , October 1990 , pp. 377 - 389
Copyright
Copyright © Cambridge University Press 1990

References

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