한국안전학회지 (Journal of the Korean Society of Safety)

  • 제33권6호
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  • Pages.28-36
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  • 2018
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  • 1738-3803(pISSN)
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  • 2383-9953(eISSN)
한국안전학회 (The Korean Society of Safety)
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중소규모 사업장의 교육 환경과 고용형태에 따른 호흡보호구 인식도 및 밀착계수 비교

Comparison of Recognition and Fit Factors according to Education Actual Condition and Employment Type of Small and Medium Enterprises

  • Eoh, Won Souk (Korean Occupational Hygiene Association) ;
  • Choi, Youngbo (Department of Safety Engineering, Chungbuk National University) ;
  • Shin, Chang Sub (Department of Safety Engineering, Chungbuk National University)
  • 투고 : 2018.09.27
  • 심사 : 2018.12.19
  • 발행 : 2018.12.31
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초록

There was a difference in recognition of respirators according to the educational performance environment. they were showed higher recognition of respirators of group by internal and external mix trainer, less than 6 months, over 1hour, more than 5 times, variety of education. To identify the relationship between types of job classification(typical and atypical)and the levels of recognition of respirators, a total of 153 workers in a business workplace. mainly, typical workers showed higher recognition of respirators than atypical workers. Training of correct wearing showed high demands both typical and atypical workers. Descriptive statistics(SAS ver 9.2)was performed. the results of recognition of respirators were analyzed the mean and standard deviation by t-test, and anova, fit factor is used geometric means(geometric standard deviation), paired t-test, Wilcoxon analysis(P=0.05). Particulate filtering facepiece respirators (PFFR) is one of the most widely used items of personal protective equipments, and a tight fit of the respirators on the wearers is critical for the protection effectiveness. In order to effectively protect the workers through the respirators, it is important to find and evaluate the ways that can be readily applicable at the workplace to improve the fit of the respirators. This study was designed to evaluate effects of mask style (cup or foldable type) and donning training on fit factors (FF) of the respirators, since these are available at various workplace, especially at small business workplace. A total of 40 study subjects, comprised of employment type workers in metalworking industries, were enrolled in this study. The FF were quantitatively measured before and after training related to the proper donning and use of cup or foldable-type respirators. The pass/fail criterion of FF was set at 100. After the donning training for the cup-type mask, fit test were increased by 769%. but foldable-type mask was also increased after the donning training, the GM of FF for the foldable-type mask and it's increase rate were smaller as compared to the cup-type mask. Furthermore, the differences of the increase rates of the GM of FF in employment type of the subjects were not significantly for the foldable-type mask. These results imply that the raining on the donning and use of PFFR can enhance the protection effectiveness of cup or foldable-type mask, and that the training effects for the foldable-type mask is less significant than that for the cup-type mask. Therefore, it is recommended that the donning training and fit tests should be conducted before the use of the PFFR, and listening to workers opinion regularly.

키워드

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Fig. 1. Mask style.

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Fig. 2. Fit test.

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Fig. 3. Geometric means of fit factors of different employment type for cup type respirators before and after donning training.

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Fig. 4. Geometric means of fit factors of different employment type for foldable type respirators before and after donning training.

Table 1. General characteristics of study subjects of employment type

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Table 2. Survey questionnaires of respirator management and wearing according to instructors

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Table 3. Survey questionnaires of respirator management and wearing according to training interval

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Table 4. Survey questionnaires of respirator management and wearing according to training time

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Table 5. Survey questionnaires of respirator management and wearing according to number of training

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Table 6. Survey questionnaires of respirator management and wearing according to training method

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Table 7. Survey questionnaires of respirator management and wearing

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Table 8. Survey questionnaires of required training contents of wear correct respirator.

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Table 9. General characteristics of study subjects

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