| Fertilizer use and self-reported respiratory and dermal symptoms among tree planters. | |
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MedLine Citation:
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PMID: 23194098 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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In British Columbia, some tree planting operations require workers to fertilize planted seedlings with polymer-coated nitrogen, phosphorus, and potassium (NPK) fertilizers. This study examined respiratory and dermal health associated with fertilizer exposure among tree planters. We interviewed 223 tree planters using an adapted version of the American Thoracic Society questionnaire supplemented with questions on dermal health. Subjects were grouped by categories of increasing duration of exposure, with workers who had not worked with fertilizer as a reference group. The relationship between exposure and reported work-related symptoms was analyzed using logistic regression, adjusting for age, cumulative tobacco cigarettes smoked, marijuana smoking status, sex, and exposure to abrasive spruce needles. An elevated odds ratio was seen for work-related cough, phlegm, nasal symptoms, nosebleed, and skin rash in the highest exposure group (>37 days of fertilizer use in the past 2 years) but was significant only for phlegm (odds ratio = 3.59, 95% confidence interval = 1.10-11.70). Trends of increasing odds ratios with increasing exposure were seen for cough, phlegm, nasal symptoms, and skin rash. The results suggest a weak association between respiratory and dermal irritation and work with fertilizer. Results highlight the need for further exposure monitoring within the tree planting industry, and larger studies to investigate the relationship between work with fertilizer and respiratory and dermal health symptoms. [Supplementary materials are available for this article. Go to the publisher's online edition of the Journal of Occupational and Environmental Hygiene for the following free supplemental resource: a PDF file containing a respiratory and dermal health questionnaire.]. |
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Authors:
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Melanie Gorman Ng; Ernst Stjernberg; Mieke Koehoorn; Paul A Demers; Meghan Winters; Hugh W Davies |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of occupational and environmental hygiene Volume: 10 ISSN: 1545-9632 ISO Abbreviation: J Occup Environ Hyg Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2012-11-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101189458 Medline TA: J Occup Environ Hyg Country: England |
Other Details:
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Languages: eng Pagination: 36-45 Citation Subset: IM |
Affiliation:
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a Institute of Occupational Medicine , Edinburgh , UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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