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  Key Food Hygiene Behaviors to Reduce Microbial Contamination of Complementary Foods in Rural Bangladesh

Müller-Hauser, A., Sobhan, S., Nurul Huda, T. M., Waid, J. L., Wendt, A., Islam, M. A., Rahman, M., Gabrysch, S. (2022): Key Food Hygiene Behaviors to Reduce Microbial Contamination of Complementary Foods in Rural Bangladesh. - American Journal of Tropical Medicine and Hygiene, 107, 3, 709-719.
https://doi.org/10.4269/ajtmh.21-0269

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 Creators:
Müller-Hauser, Anna1, Author           
Sobhan, Shafinaz1, Author           
Nurul Huda, Tarique Md.2, Author
Waid, Jillian Lee1, Author           
Wendt, Amanda1, Author           
Islam, Mohammad Aminul2, Author
Rahman, Mahbubur2, Author
Gabrysch, Sabine1, Author           
Affiliations:
1Potsdam Institute for Climate Impact Research, Potsdam, ou_persistent13              
2External Organizations, ou_persistent22              

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 Abstract: Microbial contamination of complementary foods puts young children at risk of developing intestinal infec-
tions and could be reduced by improved handwashing and food hygiene practices. We aimed to identify which promoted
food hygiene practices are associated with reduced complementary food contamination in a rural population in Bangla-
desh. We collected cross-sectional data on reported and observed maternal food hygiene behaviors and measured
Escherichia coli counts as an indicator of microbial contamination in complementary food samples from 342 children of
women enrolled in the Food and Agricultural Approaches to Reducing Malnutrition trial in Sylhet, Bangladesh. We used
multivariable logistic regression to examine associations of food hygiene behaviors with food contamination. Approxi-
mately 46% of complementary food samples had detectable levels of Escherichia coli. Handwashing with soap at critical
times and fresh preparation of food before feeding were strongly associated with reduced odds of food sample contami-
nation (odds ratio [OR]: 0.8, 95% confidence interval [CI]: 0.6–0.9 and OR: 0.3, 95% CI: 0.1–0.7, respectively); in contrast,
there was no or only weak evidence that reheating of stored food, safe food storage, and cleanliness of feeding utensils
reduced contamination. Reduction in food contamination could be more than halved only when several food hygiene
behaviors were practiced in combination. In conclusion, single food hygiene practices showed limited potential and a
combined practice of multiple food hygiene behaviors may be needed to achieve a substantial reduction of complemen-
tary food contamination.

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Language(s): eng - English
 Dates: 2022-07-252022-09
 Publication Status: Finally published
 Pages: 11
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.4269/ajtmh.21-0269
MDB-ID: No data to archive
PIKDOMAIN: RD2 - Climate Resilience
Organisational keyword: RD2 - Climate Resilience
Working Group: Climate Change and Health
Research topic keyword: Health
Regional keyword: Asia
Model / method: Quantitative Methods
OATYPE: Hybrid Open Access
 Degree: -

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Title: American Journal of Tropical Medicine and Hygiene
Source Genre: Journal, SCI, Scopus
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Pages: - Volume / Issue: 107 (3) Sequence Number: - Start / End Page: 709 - 719 Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/1476-1645
Publisher: American Society of Tropical Medicine and Hygiene