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Prevalence and Risk Factors for Farmer’s Lung in Greenhouse Farmers: An Epidemiological Study of 5,880 Farmers from Northeast China

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Abstract

The objectives of this epidemiological study were to evaluate the prevalence of farmer’s lung disease (FLD) and to explore the potential risk factors for FLD among Chinese greenhouse farmers. A total of 835 plastic film greenhouses, including 5,880 active farmers who engaged in crop cultivation or poultry farming, were randomly selected from the rural regions of Northeastern China. These farmers participated in the study by answering a medical questionnaire. 5,420 greenhouse farmers accepted and answered questionnaires in full (response rate, 92.18 %). Prevalence of FLD among these farmers was 5.7 % (308/5,420). Besides, a number of classic risk factors for FLD were identified, such as years of age, shorter time interval for re-entry greenhouse, ventilation frequency of greenhouse more than once per 4 h, the area of greenhouses greater than 30 m2 but without a ventilation facility, ventilation duration less than 30 min every time, greenhouse with height less than 1.8 m, greenhouse with humidity greater than 65 %, frequent exposure to moldy materials in greenhouse, living inside greenhouse, and et al. FLD is and will continue to be a real health problem for Chinese farmers. If these preventive measures are implemented, the prevalence of FLD in Chinese greenhouse farmers might be greatly reduced.

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Acknowledgments

This work was supported by Grants from the National Science & Technology Pillar Program of China during the Eleventh Five-year Plan Period (No. 2007BAI24B04), the Project of Department of Science and Technology, Liaoning Province (No. 20132253030), and the Project of Shenyang Science and Technology Bureau (No. F12-277-1-71).

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Correspondence to Xiaoge Wang.

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Supplementary material 1

A logistical regression model was used to evaluate risk factors for FLD (DOC 98 kb)

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Liu, S., Chen, D., Fu, S. et al. Prevalence and Risk Factors for Farmer’s Lung in Greenhouse Farmers: An Epidemiological Study of 5,880 Farmers from Northeast China. Cell Biochem Biophys 71, 1051–1057 (2015). https://doi.org/10.1007/s12013-014-0308-7

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