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Changes in spirometric parameters after protective interventions among workers at a chlorine production plant in Iran

OBJECTIVESThis study was conducted to assess changes in spirometric parameters after protective interventions among workers at a chlorine production plant in Semnan, Iran during 2012-2016. METHODSThis quasi-experimental study included 100 workers at a chlorine production plant in Semnan during 2012-...

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Bibliographic Details
Published in:Epidemiology and health 2020, 42(0), , pp.1-7
Main Authors: Pahlevan, Daryoush, Shomali, Amir, Pooryahya, Sara, Mansori, Kamyar, Mirmohammadkhani, Majid, Malek, Farhad
Format: Article
Language:English
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Summary:OBJECTIVESThis study was conducted to assess changes in spirometric parameters after protective interventions among workers at a chlorine production plant in Semnan, Iran during 2012-2016. METHODSThis quasi-experimental study included 100 workers at a chlorine production plant in Semnan during 2012-2016. Spirometric parameters (forced vital capacity [FVC], forced expiratory volume in 1 second [FEV1], FEV1/FVC, peak expiratory flow [PEF], and PEF occurring in the middle 50% of the patient's exhaled volume [PEF 25-75%]) were measured in all workers before the initial intervention in 2012. Protective interventions were then implemented for 4 consecutive years and the parameters were measured annually. A multivariable linear regression model was used to assess the factors affecting spirometric parameters before and after the protective interventions in SPSS version 24. RESULTSThe mean values of all spirometric parameters significantly increased after the protective interventions (p
ISSN:2092-7193
DOI:10.4178/epih.e2020041