Respiratory symptoms and chronic obstructive pulmonary disease among cement factory workers.

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dc.contributor.authorMashalla, Yohana J.
dc.date.accessioned2021-10-27T09:45:35Z
dc.date.available2021-10-27T09:45:35Z
dc.date.issued2005-08
dc.description.abstractObjectives This study assessed chronic respiratory symptoms and chronic obstructive pulmonary disease (COPD) among workers exposed to cement dust at a Tanzanian cement factory. Methods A total of 120 exposed workers and 107 controls participated in this cross-sectional investigation. Information on demographics, occupational history, chronic respiratory symptoms, smoking habits, and use of respiratory protection equipment was collected by questionnaire. Ventilatory function testing and measurement of personal total dust exposure were also carried out. COPD was diagnosed for workers with chronic bronchitis who also had spirometric airflow obstruction. Chronic respiratory symptoms and COPD were correlated with cumulative total dust exposure and adjusted for age, pack-years, and education. Results The exposed workers had more chronic cough [odds ratio (OR) 4.5, 95% confidence interval (95% CI) 1.9–10.4], chronic sputum production (OR 10.8, 95% CI 4.4–26.4.), dyspnea (OR 5.3, 95% CI 1.9–15.2), work-related shortness of breath (OR 4.8, 95% CI 1.6–14.2), and chronic bronchitis (OR 5.5, 95% CI 2.0–15.3) than the controls. Chronic cough, chronic sputum production, dyspnea, work-related shortness of breath, and chronic bronchitis were significantly related to cumulative dust exposure of 20.0–99.9 and ⩾100.0 versus <20.0 mg/m3-years. The prevalence of COPD was higher for the exposed group (18.8%) than for the controls (4.8%). The odds ratio for COPD was significantly increased for cumulative dust exposure, >or=100.0 versus <20.0 mg/m3-years (OR 11.2, 95% CI 2.2–56.0). Conclusions Cement workers seem to be at high risk of developing chronic respiratory symptoms and COPD, probably caused by cumulative total dust exposure independent of smoking habits.en_US
dc.identifier.citationMwaiselage, J., Bratveit, M., Moen, B.E. and Mashalla, Y., 2006. Respiratory symptoms and chronic obstructive pulmonary disease among cement factory workers: Scand J Work Environ Health 2005; 31: 316–23. Respiratory Medicine: COPD Update, 1(3), pp.97-98.en_US
dc.identifier.urihttps://www.jstor.org/stable/40967508
dc.identifier.urihttp://hdl.handle.net/123456789/808
dc.language.isoenen_US
dc.publisherScandinavian journal of work, environment & healthen_US
dc.subjectCement workersen_US
dc.subjectChronic respiratory symptomsen_US
dc.subjectCross sectional studyen_US
dc.titleRespiratory symptoms and chronic obstructive pulmonary disease among cement factory workers.en_US
dc.typeArticleen_US

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