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    Risk factors for leptospirosis seropositivity in slaughterhouse workers in western Kenya

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    Authors
    Cook, Elizabeth A.J.
    Glanville, W.A. de
    Thomas, L.F.
    Kariuki, S.
    Bronsvoort, B.M. de C.
    Fèvre, Eric M.
    Date
    2017-10
    Language
    en
    Type
    Journal Article
    Review status
    Peer Review
    Accessibility
    Open Access
    Metadata
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    Citation
    Cook, E.A.J., Glanville, W.A. de, Thomas, L.F., Kariuki, S., Bronsvoort, B.M. de C. and Fèvre, E.M. 2017. Risk factors for leptospirosis seropositivity in slaughterhouse workers in western Kenya. Occupational and Environmental Medicine 74:357–365.
    Permanent link to cite or share this item: http://hdl.handle.net/10568/78160
    DOI: https://dx.doi.org/10.1136/oemed-2016-103895
    Abstract/Description
    Objectives Leptospirosis has been documented in slaughterhouse workers around the world. Risk factors include smoking and drinking at work, and performing tasks such as cleaning offal. This paper examined risk factors for leptospirosis seropositivity in slaughterhouse workers in western Kenya. Methods The study was conducted between May 2011 and October 2012. Questionnaires were used to collect information from workers on demographic data, health and hygiene practices in the slaughterhouse. A commercial ELISA detected antibodies to Leptospira spp. in serum samples and multilevel logistic regression analysis identified factors associated with leptospirosis seropositivity. Results A total of 737 workers from 142 slaughterhouses were recruited. The seroprevalence of antibodies to Leptospira spp. was 13.4% (95% CI 11.1% to 16.1%). Risk factors included: having wounds (OR 3.1; 95% CI 1.5 to 6.1); smoking (OR 1.8; 95% CI 1.1 to 2.9); eating at work (OR 2.1; 95% CI 1.2 to 3.6); cleaning the offal (OR 5.1; 95% CI 1.8 to 15.0); and having a borehole for personal water use (OR 2.3; 95% CI 1.1 to 4.7). At the slaughterhouse level, risk factors included having a roof (OR 2.6; 95% CI 1.2 to 5.6) and drawing water from a well (OR 2.2; 95% CI 1.2 to 4.0). Protective factors included working in slaughterhouses where antemortem inspection was conducted (OR 0.6; 95% CI 0.4 to 1.0) and where workers wore protective aprons (OR 0.4; 95% CI 0.2 to 0.7). Conclusions This is the first report of leptospirosis seropositivity in slaughterhouse workers in Kenya. Potential risk factors were identified and this information can be used to educate workers regarding their disease risks and ways to prevent or reduce transmission.
    CGIAR Affiliations
    Agriculture for Nutrition and Health
    AGROVOC Keywords
    ANIMAL DISEASES
    Subjects
    ANIMAL DISEASES; ZOONOTIC DISEASES;
    Countries
    KENYA
    Regions
    AFRICA; EAST AFRICA
    Investors/sponsors
    Medical Research Council, United Kingdom; Biotechnology and Biological Sciences Research Council, United Kingdom; Wellcome Trust; Department for International Development, United Kingdom; Economic and Social Research Council, United Kingdom; Natural Environment Research Council, United Kingdom; Defence Science and Technology Laboratory, United Kingdom
    Collections
    • ILRI animal and human health program outputs [151]
    • ILRI animal bioscience program outputs [207]
    • Zoonoses in Livestock in Kenya (ZooLinK) [29]
    • ILRI articles in journals [4825]
    • People, animals and their zoonoses [41]

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