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KMID : 1039220150250040534
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Journal of Korean Society of Occupational and Environmental Hygiene
2015 Volume.25 No. 4 p.534 ~ p.541
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MCS/IEI Prevalence Rate of Workers Around an Accidental Release of Hydrogen Fluoride in Gumi Industrial Complex
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Han Hye-Ji
Woo Kuck-Hyeun
Choi Sung-Yong
Jeon Byoung-Hak
Choi Sang-Jun
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Abstract
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Objectives: This study was conducted to evaluate the prevalence rate of multiple chemical sensitivity/idiopathic environmental intolerance(MCS/IEI) among workers in the Gumi industrial complex around the region of accidental release of hydrogen fluoride in 2012.
Materials: We evaluated MCS/IEI using the Korean version of the Quick Environmental Exposure and Sensitivity Inventory(QEESI). A total of 535 workers at six manufacturing companies in the Gumi industrial complex were investigated using self-administered questionnaires from February to March 2015. After exclusion of incompletely answered questionnaires, 271 were analyzed.
Results: The prevalence rate and proved positive rate of MCS/IEI were 5.9%(16 out of 271) and 3.7%(10 out of 271), respectively. The scores of chemical intolerance, other intolerance, symptom severity and life impact were significantly higher(p<0.05) in females than those of males. In terms of masking index scores, males showed significantly higher(p=0.003) than female. The self-reported MCS/IEI prevalence rate, 7.7%, of workers exposed to hydrogen fluoride in 2012 was higher than no-exposure group(5.6%), but not statistically significant(p=0.815).
Conclusions: Although the prevalence rate of MCS/IEI symptoms of workers exposed to hydrogen fluoride gas in 2012 was not significantly higher than no-exposure group, it is necessary to conduct follow-up study on the exposure group of hydrogen fluoride.
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KEYWORD
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industrial complex, MCS/IEI, QEESI, symptom prevalence rate
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