| Pattern and predictors for respiratory illnesses and symptoms and lung function among textile workers in Karachi, Pakistan. | |
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MedLine Citation:
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PMID: 23155188 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVES: To determine pattern and predictors for respiratory illnesses and symptoms and lung function among textile workers in Karachi, Pakistan. METHODS: This was a cross-sectional survey of 372 adult male textile workers from the spinning and weaving sections of 15 textile mills from Karachi. Data were collected from November to December 2009 through a structured, pretested questionnaire and spirometry. RESULTS: Prevalence of byssinosis was 10.5%, chronic cough 7.5%, chronic phlegm 12.9%, wheeze with shortness of breath 22.3%, shortness of breath (grade 2) 21%, chest tightness ever 33.3%; whereas, a low prevalence of asthma (4%) was identified in this population. Eight per cent had obstructive, 8% restrictive and 2% mixed pattern of lung function abnormality. After controlling for potential confounders, work in the spinning section predicts frequent wheeze (AOR=2.0; 95% CI 1.1 to 3.5), wheeze with shortness of breath (AOR=1.8; 95% CI 1.0 to 3.4), and obstructive pattern on spirometry (AOR=2.5; 95% CI 1.0 to 6.2). Prolonged duration of work predicts breathlessness grade 1 (AOR=1.8; 95% CI 1.0 to 3.1) and grade 2 (AOR=2.7; 95% CI 1.3 to 5.4), as well as decrements in Forced Expiratory Volume in the first second (FEV(1)) and FEV(1)/Forced Vital Capacity ratio. Lack of education predicts frequent wheeze (AOR=2.0; 95% CI 1.2 to 3.3), and Sindhi ethnicity predicts chest tightness apart from during cold (AOR=2.7; 95% CI 1.1 to 6.6). CONCLUSIONS: This study highlights the burden of respiratory illnesses and symptoms, and a low prevalence of asthma among textile workers in Karachi. Work in the spinning section, lack of education, prolonged duration of work and Sindhi ethnicity, were identified as important risk factors. |
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Authors:
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Asaad Ahmed Nafees; Zafar Fatmi; Muhammad Masood Kadir; Nalini Sathiakumar |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-15 |
Journal Detail:
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Title: Occupational and environmental medicine Volume: - ISSN: 1470-7926 ISO Abbreviation: Occup Environ Med Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-16 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9422759 Medline TA: Occup Environ Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Division of Environmental Health Sciences, Department of Community Health Sciences, Aga Khan University, , Karachi, Pakistan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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