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KMID : 0371019810140010075
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Journal of Preventive Medicine and Public Health
1981 Volume.14 No. 1 p.75 ~ p.80
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Prevalence of the Vibration. Syndrome among Rock-drillers in the Anthracite Mining Area
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Abstract
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Due to rapid industrialization and economic development, the occupational diseases have appeared as one of the social problems in Korea.
Up until now little has been known about the prevalence rate, predisposing factors and symptomatology of the occupational disease due to localized vibration in Korea.
The researcher intends to investigate the prevalence rate and affecting factors of the occupational disease due to localized vibration among rock-drillers, in the anthracite mines.
A total of 135 rock-drillers were interviewed and examined from May 15th to 31th, 1980.
The results were revealed as follows;
1. The prevalence rate of the vibration syndrome among rock-drillers was 12.6%.
2. The latent period of the vibration syndrome was 6.8 years.
3. The prevalence rate of the vibration syndrome was not significantly different between smokers and non-smokers.
4. With the increase of total vibration exposure time, the prevalence sate of the vibration syndrome increased also.
5. The average vibration sensation threshold was high (6.4dB) in stage 1 of the vibration syndrome and low (0.6dB) in stage 0.
6. The average pain sensation threshold was high (4.4g) in stage; 1 of the vibration syndrome and low (2.59) in stage 0.
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