Prevalence of chronic obstructive pulmonary disease (COPD) among Congolese cement workers exposed to cement dust, in Kongo Central Province

Chronic exposure to cement dust may induce adverse health effects, including a significant decrease in lung function. The study investigated whether the prevalence of COPD and respiratory symptoms was associated with working at different tasks exposed to varying levels of cement dust. The cross-sect...

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Bibliographic Details
Published in:	Environmental science and pollution research international Vol. 25; no. 35; pp. 35074 - 35083
Main Authors:	Mbelambela, Etongola Papy, Eitoku, Masamitsu, Muchanga, Sifa Marie Joelle, Villanueva, Antonio F., Hirota, Ryoji, Pulphus, Tiffany Yuka, Sokolo, Gedikondele Jérôme, Yasumitsu-Lovell, Kahoko, Komori, Kaori, Suganuma, Narufumi
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 01-12-2018 Springer Nature B.V
Subjects:	Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Blue collar workers Cement Chronic exposure Chronic obstructive pulmonary disease Cleaning COPD Cough Dust Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental Health and Occupational Health Environmental science Exposure Health risk assessment Health risks Industrial plants Lung diseases Lung function Lungmedicin och allergi Miljömedicin och yrkesmedicin Multivariate analysis Obstructive lung disease Occupation Occupational exposure Portland cement Research Article Respiratory function Respiratory Medicine and Allergy Respiratory symptoms Transportation ventilatory function Waste Water Technology Water Management Water Pollution Control Occupation Dust Lung function Portland cement Respiratory symptoms COPD
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Summary:	Chronic exposure to cement dust may induce adverse health effects, including a significant decrease in lung function. The study investigated whether the prevalence of COPD and respiratory symptoms was associated with working at different tasks exposed to varying levels of cement dust. The cross-sectional study was carried out among 223 exposed and 156 less exposed workers from two cement factories from November 20 to December 15, 2016 in DRC. Workers completed a questionnaire and spirometry was performed. Multivariate analysis was performed to evaluate the association between occupation exposed to cement dust, COPD, and respiratory symptoms, after adjustment for confounders. Morning cough and cough on most days for as much as 3 months each year were significantly higher in the exposed group ( p < 0.05) ( p = 0.001) than in the less exposed group. As compared to the less exposed group, the prevalence of COPD was higher among the exposed group, 28.2 and 9.6% respectively ( p < 0.001). A significant association with COPD, aOR 14.49 (5.33; 39.40), aOR 3.37 (1.44; 7.89), and aOR 3.09 (1.58; 6.05) was found among cleaning, transportation, and production workers, respectively. Working at certain tasks exposed to cement dust is associated with the higher prevalence of COPD and respiratory symptoms. A greater risk is being among cleaning, transportation, and production workers. This suggests the necessity to prioritize the quality of preventive measures in each work area.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0944-1344 1614-7499
DOI:	10.1007/s11356-018-3401-4