Diet and hygiene practices influence morbidity in schoolchildren living in Schistosomiasis endemic areas along Lake Victoria in Kenya and Tanzania-A cross-sectional study
Since 2011, cohorts of schoolchildren in regions bordering Lake Victoria in Kenya and Tanzania have been investigated for morbidity caused by Schistosoma mansoni infection. Despite being neighbouring countries with similar lifestyles and ecological environments, Tanzanian schoolchildren had lower S....
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| description | Since 2011, cohorts of schoolchildren in regions bordering Lake Victoria in Kenya and Tanzania have been investigated for morbidity caused by Schistosoma mansoni infection. Despite being neighbouring countries with similar lifestyles and ecological environments, Tanzanian schoolchildren had lower S. mansoni prevalence and intensity and they were taller and heavier, fewer were wasted and anaemic, and more were physical fit compared to their Kenyan peers. The aim of the present study was to evaluate whether diet and school-related markers of socioeconomic status (SES) could explain differences in morbidity beyond the effect of infection levels.
Parasitological and morbidity data from surveys in 2013-2014 were compared with information on diet and school-related markers of SES collected in 2015 using questionnaires. A total of 490 schoolchildren (163 Kenyans and 327 Tanzanians) aged 9-11 years provided data. A higher proportion of Tanzanian pupils (69.4%, 95% CI: 64.3-74.5) knew where to wash hands after toilet visits compared to Kenyan pupils (48.5%, 95% CI: 40.9-56.1; P |
| doi_str_mv | 10.1371/journal.pntd.0006373 |
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Parasitological and morbidity data from surveys in 2013-2014 were compared with information on diet and school-related markers of SES collected in 2015 using questionnaires. A total of 490 schoolchildren (163 Kenyans and 327 Tanzanians) aged 9-11 years provided data. A higher proportion of Tanzanian pupils (69.4%, 95% CI: 64.3-74.5) knew where to wash hands after toilet visits compared to Kenyan pupils (48.5%, 95% CI: 40.9-56.1; P<0.0005). Similar proportions of children in the two countries ate breakfast, lunch and dinner, but the content of the meals differed. At all three meals, a higher proportion (95% CI) of Tanzanian pupils consumed animal proteins (mostly fish proteins) compared to their Kenyan peers (35.0% (28.3-41.7) vs. 0%; P<0.0005 at breakfast; 69.0% (63.9-74.1) vs. 43.6% (35.8-51.4); P<0.0005 at lunch; and 67.2% (62.1-72.3) vs. 53.4% (45.8-61.0); P = 0.003 at dinner). Multivariable analyses investigating risk factors for important morbidity markers among individuals revealed that after controlling for schistosome and malaria infections, eating animal proteins (fish) and knowing where to wash hands after toilet visits were significant predictors for both haemoglobin levels and physical fitness (measured as VO2 max).
These results suggest that the differences in morbidity may be affected by factors other than S. mansoni infection alone. Diet and hygiene practice differences were associated with health status of schoolchildren along Lake Victoria in Kenya and Tanzania.
Trials Registration numbers: ISRCT 16755535 (Kenya), ISRCT 95819193 (Tanzania).</description><identifier>ISSN: 1935-2735</identifier><identifier>ISSN: 1935-2727</identifier><identifier>EISSN: 1935-2735</identifier><identifier>DOI: 10.1371/journal.pntd.0006373</identifier><identifier>PMID: 29590175</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Analysis ; Anemia ; Biology and Life Sciences ; Care and treatment ; Children ; Cohorts ; Countries ; Cross-sectional studies ; Diet ; Elementary school students ; Fish ; Fitness ; Health aspects ; Hemoglobin ; Human diseases ; Hygiene ; Infections ; Influence ; Inland waters ; Lakes ; Malaria ; Markers ; Meals ; Medical research ; Medicine and Health Sciences ; Morbidity ; Oxygen consumption ; Parasitology ; People and Places ; Physical fitness ; Proteins ; Risk analysis ; Risk factors ; Schistosoma ; Schistosoma mansoni ; Schistosomiasis ; Social class ; Social Sciences ; Socioeconomic factors ; Socioeconomics ; Studies ; Surveys ; Systematic review ; Tropical diseases ; Vector-borne diseases</subject><ispartof>PLoS neglected tropical diseases, 2018-03, Vol.12 (3), p.e0006373-e0006373</ispartof><rights>COPYRIGHT 2018 Public Library of Science</rights><rights>2018 Public Library of Science. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited: Mohamed I, Kinung’hi S, Mwinzi PNM, Onkanga IO, Andiego K, Muchiri G, et al. (2018) Diet and hygiene practices influence morbidity in schoolchildren living in Schistosomiasis endemic areas along Lake Victoria in Kenya and Tanzania-A cross-sectional study. PLoS Negl Trop Dis 12(3): e0006373. https://doi.org/10.1371/journal.pntd.0006373</rights><rights>2018 Mohamed et al 2018 Mohamed et al</rights><rights>2018 Public Library of Science. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited: Mohamed I, Kinung’hi S, Mwinzi PNM, Onkanga IO, Andiego K, Muchiri G, et al. (2018) Diet and hygiene practices influence morbidity in schoolchildren living in Schistosomiasis endemic areas along Lake Victoria in Kenya and Tanzania-A cross-sectional study. PLoS Negl Trop Dis 12(3): e0006373. https://doi.org/10.1371/journal.pntd.0006373</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c585t-a9e8c7e53d4990533f8171f3186050ba654ed87a2bc80b8704b52a86a93caba23</citedby><cites>FETCH-LOGICAL-c585t-a9e8c7e53d4990533f8171f3186050ba654ed87a2bc80b8704b52a86a93caba23</cites><orcidid>0000-0001-9352-621X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5891076/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC5891076/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,2096,2915,23845,27901,27902,53766,53768,79569,79570</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29590175$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Mohamed, Iman</creatorcontrib><creatorcontrib>Kinung'hi, Safari</creatorcontrib><creatorcontrib>Mwinzi, Pauline N M</creatorcontrib><creatorcontrib>Onkanga, Isaac O</creatorcontrib><creatorcontrib>Andiego, Kennedy</creatorcontrib><creatorcontrib>Muchiri, Geoffrey</creatorcontrib><creatorcontrib>Odiere, Maurice R</creatorcontrib><creatorcontrib>Vennervald, Birgitte Jyding</creatorcontrib><creatorcontrib>Olsen, Annette</creatorcontrib><title>Diet and hygiene practices influence morbidity in schoolchildren living in Schistosomiasis endemic areas along Lake Victoria in Kenya and Tanzania-A cross-sectional study</title><title>PLoS neglected tropical diseases</title><addtitle>PLoS Negl Trop Dis</addtitle><description>Since 2011, cohorts of schoolchildren in regions bordering Lake Victoria in Kenya and Tanzania have been investigated for morbidity caused by Schistosoma mansoni infection. Despite being neighbouring countries with similar lifestyles and ecological environments, Tanzanian schoolchildren had lower S. mansoni prevalence and intensity and they were taller and heavier, fewer were wasted and anaemic, and more were physical fit compared to their Kenyan peers. The aim of the present study was to evaluate whether diet and school-related markers of socioeconomic status (SES) could explain differences in morbidity beyond the effect of infection levels.
Parasitological and morbidity data from surveys in 2013-2014 were compared with information on diet and school-related markers of SES collected in 2015 using questionnaires. A total of 490 schoolchildren (163 Kenyans and 327 Tanzanians) aged 9-11 years provided data. A higher proportion of Tanzanian pupils (69.4%, 95% CI: 64.3-74.5) knew where to wash hands after toilet visits compared to Kenyan pupils (48.5%, 95% CI: 40.9-56.1; P<0.0005). Similar proportions of children in the two countries ate breakfast, lunch and dinner, but the content of the meals differed. At all three meals, a higher proportion (95% CI) of Tanzanian pupils consumed animal proteins (mostly fish proteins) compared to their Kenyan peers (35.0% (28.3-41.7) vs. 0%; P<0.0005 at breakfast; 69.0% (63.9-74.1) vs. 43.6% (35.8-51.4); P<0.0005 at lunch; and 67.2% (62.1-72.3) vs. 53.4% (45.8-61.0); P = 0.003 at dinner). Multivariable analyses investigating risk factors for important morbidity markers among individuals revealed that after controlling for schistosome and malaria infections, eating animal proteins (fish) and knowing where to wash hands after toilet visits were significant predictors for both haemoglobin levels and physical fitness (measured as VO2 max).
These results suggest that the differences in morbidity may be affected by factors other than S. mansoni infection alone. Diet and hygiene practice differences were associated with health status of schoolchildren along Lake Victoria in Kenya and Tanzania.
Trials Registration numbers: ISRCT 16755535 (Kenya), ISRCT 95819193 (Tanzania).</description><subject>Analysis</subject><subject>Anemia</subject><subject>Biology and Life Sciences</subject><subject>Care and treatment</subject><subject>Children</subject><subject>Cohorts</subject><subject>Countries</subject><subject>Cross-sectional studies</subject><subject>Diet</subject><subject>Elementary school students</subject><subject>Fish</subject><subject>Fitness</subject><subject>Health aspects</subject><subject>Hemoglobin</subject><subject>Human diseases</subject><subject>Hygiene</subject><subject>Infections</subject><subject>Influence</subject><subject>Inland waters</subject><subject>Lakes</subject><subject>Malaria</subject><subject>Markers</subject><subject>Meals</subject><subject>Medical research</subject><subject>Medicine and Health Sciences</subject><subject>Morbidity</subject><subject>Oxygen consumption</subject><subject>Parasitology</subject><subject>People and Places</subject><subject>Physical fitness</subject><subject>Proteins</subject><subject>Risk analysis</subject><subject>Risk factors</subject><subject>Schistosoma</subject><subject>Schistosoma mansoni</subject><subject>Schistosomiasis</subject><subject>Social class</subject><subject>Social Sciences</subject><subject>Socioeconomic factors</subject><subject>Socioeconomics</subject><subject>Studies</subject><subject>Surveys</subject><subject>Systematic review</subject><subject>Tropical diseases</subject><subject>Vector-borne 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and hygiene practices influence morbidity in schoolchildren living in Schistosomiasis endemic areas along Lake Victoria in Kenya and Tanzania-A cross-sectional study</title><author>Mohamed, Iman ; Kinung'hi, Safari ; Mwinzi, Pauline N M ; Onkanga, Isaac O ; Andiego, Kennedy ; Muchiri, Geoffrey ; Odiere, Maurice R ; Vennervald, Birgitte Jyding ; Olsen, Annette</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c585t-a9e8c7e53d4990533f8171f3186050ba654ed87a2bc80b8704b52a86a93caba23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Analysis</topic><topic>Anemia</topic><topic>Biology and Life Sciences</topic><topic>Care and treatment</topic><topic>Children</topic><topic>Cohorts</topic><topic>Countries</topic><topic>Cross-sectional studies</topic><topic>Diet</topic><topic>Elementary school students</topic><topic>Fish</topic><topic>Fitness</topic><topic>Health 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Jyding</au><au>Olsen, Annette</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diet and hygiene practices influence morbidity in schoolchildren living in Schistosomiasis endemic areas along Lake Victoria in Kenya and Tanzania-A cross-sectional study</atitle><jtitle>PLoS neglected tropical diseases</jtitle><addtitle>PLoS Negl Trop Dis</addtitle><date>2018-03-01</date><risdate>2018</risdate><volume>12</volume><issue>3</issue><spage>e0006373</spage><epage>e0006373</epage><pages>e0006373-e0006373</pages><issn>1935-2735</issn><issn>1935-2727</issn><eissn>1935-2735</eissn><abstract>Since 2011, cohorts of schoolchildren in regions bordering Lake Victoria in Kenya and Tanzania have been investigated for morbidity caused by Schistosoma mansoni infection. Despite being neighbouring countries with similar lifestyles and ecological environments, Tanzanian schoolchildren had lower S. mansoni prevalence and intensity and they were taller and heavier, fewer were wasted and anaemic, and more were physical fit compared to their Kenyan peers. The aim of the present study was to evaluate whether diet and school-related markers of socioeconomic status (SES) could explain differences in morbidity beyond the effect of infection levels.
Parasitological and morbidity data from surveys in 2013-2014 were compared with information on diet and school-related markers of SES collected in 2015 using questionnaires. A total of 490 schoolchildren (163 Kenyans and 327 Tanzanians) aged 9-11 years provided data. A higher proportion of Tanzanian pupils (69.4%, 95% CI: 64.3-74.5) knew where to wash hands after toilet visits compared to Kenyan pupils (48.5%, 95% CI: 40.9-56.1; P<0.0005). Similar proportions of children in the two countries ate breakfast, lunch and dinner, but the content of the meals differed. At all three meals, a higher proportion (95% CI) of Tanzanian pupils consumed animal proteins (mostly fish proteins) compared to their Kenyan peers (35.0% (28.3-41.7) vs. 0%; P<0.0005 at breakfast; 69.0% (63.9-74.1) vs. 43.6% (35.8-51.4); P<0.0005 at lunch; and 67.2% (62.1-72.3) vs. 53.4% (45.8-61.0); P = 0.003 at dinner). Multivariable analyses investigating risk factors for important morbidity markers among individuals revealed that after controlling for schistosome and malaria infections, eating animal proteins (fish) and knowing where to wash hands after toilet visits were significant predictors for both haemoglobin levels and physical fitness (measured as VO2 max).
These results suggest that the differences in morbidity may be affected by factors other than S. mansoni infection alone. Diet and hygiene practice differences were associated with health status of schoolchildren along Lake Victoria in Kenya and Tanzania.
Trials Registration numbers: ISRCT 16755535 (Kenya), ISRCT 95819193 (Tanzania).</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>29590175</pmid><doi>10.1371/journal.pntd.0006373</doi><orcidid>https://orcid.org/0000-0001-9352-621X</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | PLoS neglected tropical diseases, 2018-03, Vol.12 (3), p.e0006373-e0006373 |
| issn | 1935-2735 1935-2727 1935-2735 |
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| source | Public Library of Science (PLoS) Journals Open Access; DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; PubMed Central Open Access |
| subjects | Analysis Anemia Biology and Life Sciences Care and treatment Children Cohorts Countries Cross-sectional studies Diet Elementary school students Fish Fitness Health aspects Hemoglobin Human diseases Hygiene Infections Influence Inland waters Lakes Malaria Markers Meals Medical research Medicine and Health Sciences Morbidity Oxygen consumption Parasitology People and Places Physical fitness Proteins Risk analysis Risk factors Schistosoma Schistosoma mansoni Schistosomiasis Social class Social Sciences Socioeconomic factors Socioeconomics Studies Surveys Systematic review Tropical diseases Vector-borne diseases |
| title | Diet and hygiene practices influence morbidity in schoolchildren living in Schistosomiasis endemic areas along Lake Victoria in Kenya and Tanzania-A cross-sectional study |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-21T17%3A54%3A20IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-gale_plos_&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Diet%20and%20hygiene%20practices%20influence%20morbidity%20in%20schoolchildren%20living%20in%20Schistosomiasis%20endemic%20areas%20along%20Lake%20Victoria%20in%20Kenya%20and%20Tanzania-A%20cross-sectional%20study&rft.jtitle=PLoS%20neglected%20tropical%20diseases&rft.au=Mohamed,%20Iman&rft.date=2018-03-01&rft.volume=12&rft.issue=3&rft.spage=e0006373&rft.epage=e0006373&rft.pages=e0006373-e0006373&rft.issn=1935-2735&rft.eissn=1935-2735&rft_id=info:doi/10.1371/journal.pntd.0006373&rft_dat=%3Cgale_plos_%3EA533346892%3C/gale_plos_%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2025709782&rft_id=info:pmid/29590175&rft_galeid=A533346892&rft_doaj_id=oai_doaj_org_article_c8da60be7f724d0d89ea6d14b119a504&rfr_iscdi=true |