Using Urine Specific Gravity to Evaluate the Hydration Status of Workers Working in an Ultra-Low Humidity Environment

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概要

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• Using Urine Specific Gravity to Evaluate the Hydration Status of Workers Working in an Ultra-Low Humidity Environment: Shin-Bin Su, et al. Department of Environmental and Occupational Health, Medical College, National Cheng Kung University, Taiwan-In environments with ultra-low humidity, workers may have excessive body water loss due to evaporation through the skin, which can lead to dehydration. Before the development of clinical symptoms and signs, concentrated urine may be applied as an early indicator of dehydration. We used urine specific gravity (USG) as a biomarker to evaluate the hydration status of workers working in such an environment. We collected the urine samples from workers at a lithium battery plant during their annual health examination, and the relative humidity of some working areas called "dry rooms" in the plant was 1.5±1%. We recruited workers in those dry rooms as the exposure group (N=50) and defined the remaining workers, including administration office workers, as the comparison group (N=122). The prevalence of abnormally concentrated urine (USG>1.030) and related factors were compared between these two groups. While the exposure group were younger and had shorter employment durations compared to the comparison group (p<0.05), they had a higher prevalence of abnormally concentrated urine (p<0.01). After adjusting for age, gender, employment duration, and body surface area, we found that working in the dry rooms was associated with an odds ratio of 11.9 (95% confidence interval: 2.5 to 56.9) of having abnormally concentrated urine. Therefore, USG is a good biomarker for evaluating the hydration status of workers working in ultra-low humidity environments, who need proper protection and adequate fluid supply to prevent excess water loss and its adverse health effects.

• 社団法人日本産業衛生学会の論文

著者

• Lu Chin-wei

  Department Of Health Care Management National Taipei College Of Nursing

• Lu Chih-wei

  Department Of Health Care Management National Taipei College Of Nursing

• Li Chung-yi

  台湾

• SU Shih-Bin

  Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung Univer

• GUO How-Ran

  Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung Univer

• Su Shih-bin

  Department Of Environmental And Occupational Health College Of Medicine National Cheng Kung Universi

• Lee Chai-wei

  Graduate Institute Of Safety Health And Environmental Engineering National Kaohsiung First Universit

• Guo How-ran

  Dep. Of Occupational And Environmental Medicine National Cheng Kung Univ. Hospital

• Guo How-ran

  Department Of Environmental And Occupational Health

• LU Chih-Wei

  Graduate Institute of Electro-Optical Engineering and Department of Electrical Engineering, National

• Lu Chih-wei

  Graduate Institute Of Electro-optical Engineering And Department Of Electrical Engineering National

• LIN Kuen-Huei

  Graduate Institute of Safety, Health and Environmental Engineering, National Kaohsiung First Univers

• CHANG Ho-Yuan

  Department of Environmental and Occupational Health, Medical College, National Cheng Kung University

• Lin Kuen-huei

  Graduate Institute Of Safety Health And Environmental Engineering National Kaohsiung First Universit

• Chang Ho-yuan

  Graduate Inst. Of Environmental & Occupational Health National Cheng Kung Univ. Medical Coll.

• Chang Ho-yuan

  Department Of Environmental & Occupational Health College Of Medicine National Cheng Kung Univer

• Su Shih-bin

  Department Of Environmental And Occupational Health Medical College National Cheng Kung University:t

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