TY - JOUR
T1 - Household finished flooring and soil-transmitted helminth and Giardia infections among children in rural Bangladesh and Kenya
T2 - a prospective cohort study
AU - Benjamin-Chung, Jade
AU - Crider, Yoshika S.
AU - Mertens, Andrew
AU - Ercumen, Ayse
AU - Pickering, Amy J.
AU - Lin, Audrie
AU - Steinbaum, Lauren
AU - Swarthout, Jenna
AU - Rahman, Mahbubur
AU - Parvez, Sarker M.
AU - Haque, Rashidul
AU - Njenga, Sammy M.
AU - Kihara, Jimmy
AU - Null, Clair
AU - Luby, Stephen P.
AU - Colford, John M.
AU - Arnold, Benjamin F.
N1 - Publisher Copyright:
© 2021 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license
PY - 2021/3
Y1 - 2021/3
N2 - Background: Soil-transmitted helminths and Giardia duodenalis are responsible for a large burden of disease globally. In low-resource settings, household finished floors (eg, concrete floors) might reduce transmission of soil-transmitted helminths and G duodenalis. Methods: In a prospective cohort of children nested within two randomised trials in rural Bangladesh and Kenya, we estimated associations between household finished flooring and soil-transmitted helminths and G duodenalis prevalence. In 2015–16, we collected stool samples from children aged 2–16 years in rural Bangladesh and Kenya. We detected soil-transmitted helminth infection using quantitative PCR (qPCR; Bangladesh n=2800; Kenya n=3094), and G duodenalis using qPCR in Bangladesh (n=6894) and ELISA in Kenya (n=8899). We estimated adjusted prevalence ratios (aPRs) using log-linear models adjusted for potential confounders. Findings: 7187 (92·2%) of 7795 children in Bangladesh and 9077 (93·7%) of 9686 children in Kenya provided stool specimens that were analysed by qPCR. At enrolment, 691 (10%) households in Bangladesh and 471 (5%) households in Kenya had finished floors. In both countries, household finished flooring was associated with lower Ascaris lumbricoides prevalence (Bangladesh aPR 0·33, 95% CI 0·14–0·78; Kenya 0·62, 0·39–0·98) and any soil-transmitted helminths (Bangladesh 0·73, 0·52–1·01; Kenya 0·57, 0·37–0·88). Household finished floors were also associated with lower Necator americanus prevalence in Bangladesh (0·52, 0·29–0·94) and G duodenalis prevalence in both countries (Bangladesh 0·78, 0·64–0·95; Kenya 0·82, 0·70–0·97). Interpretation: In low-resource settings, living in households with finished floors over a 2-year period was associated with lower prevalence of G duodenalis and some soil-transmitted helminths in children. Funding: Bill & Melinda Gates Foundation and Task Force for Global Health.
AB - Background: Soil-transmitted helminths and Giardia duodenalis are responsible for a large burden of disease globally. In low-resource settings, household finished floors (eg, concrete floors) might reduce transmission of soil-transmitted helminths and G duodenalis. Methods: In a prospective cohort of children nested within two randomised trials in rural Bangladesh and Kenya, we estimated associations between household finished flooring and soil-transmitted helminths and G duodenalis prevalence. In 2015–16, we collected stool samples from children aged 2–16 years in rural Bangladesh and Kenya. We detected soil-transmitted helminth infection using quantitative PCR (qPCR; Bangladesh n=2800; Kenya n=3094), and G duodenalis using qPCR in Bangladesh (n=6894) and ELISA in Kenya (n=8899). We estimated adjusted prevalence ratios (aPRs) using log-linear models adjusted for potential confounders. Findings: 7187 (92·2%) of 7795 children in Bangladesh and 9077 (93·7%) of 9686 children in Kenya provided stool specimens that were analysed by qPCR. At enrolment, 691 (10%) households in Bangladesh and 471 (5%) households in Kenya had finished floors. In both countries, household finished flooring was associated with lower Ascaris lumbricoides prevalence (Bangladesh aPR 0·33, 95% CI 0·14–0·78; Kenya 0·62, 0·39–0·98) and any soil-transmitted helminths (Bangladesh 0·73, 0·52–1·01; Kenya 0·57, 0·37–0·88). Household finished floors were also associated with lower Necator americanus prevalence in Bangladesh (0·52, 0·29–0·94) and G duodenalis prevalence in both countries (Bangladesh 0·78, 0·64–0·95; Kenya 0·82, 0·70–0·97). Interpretation: In low-resource settings, living in households with finished floors over a 2-year period was associated with lower prevalence of G duodenalis and some soil-transmitted helminths in children. Funding: Bill & Melinda Gates Foundation and Task Force for Global Health.
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U2 - 10.1016/S2214-109X(20)30523-4
DO - 10.1016/S2214-109X(20)30523-4
M3 - Article
C2 - 33607029
AN - SCOPUS:85101047791
SN - 2214-109X
VL - 9
SP - e301-e308
JO - The Lancet Global Health
JF - The Lancet Global Health
IS - 3
ER -