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Prevalence and interannual changes in multiple chemical sensitivity in Japanese workers
Xiaoyi Cui1, Xi Lu, Mizue Hiura
1Department of Public Health, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjou, Chuo-ku, Kumamoto, 860-8556, Japan, bjcxy860508@hotmail.com.
Objective:
We aimed to evaluate the prevalence rates and interannual fluctuations in multiple chemical sensitivity (MCS) in Japanese workers.
Methods:
We assessed MCS using the Quick Environmental Exposure and Sensitivity Inventory, employing both Miller and Japanese criteria. Workers of two manufacturing companies located in Kyushu, Japan, were assessed, with company A surveyed in 2003, 2006 and 2011, and company B in 2003 and 2011.
Results:
In company A, the Miller criteria-based MCS prevalence rate was higher in 2011 than in 2003, and according to the Japanese criteria, it was higher in 2011 than 2006. In company B, the Miller criteria-based MCS prevalence rate was lower in 2011 than in 2003.
Conclusion:
The results indicated that MCS exists among industrial workers in Japan. We found no statistically significant interannual changes in MCS rates.
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