Combined effects of noise, vibration, and low temperature on the physiological parameters of labor employees

Pao Chiang Chao, Yow Jer Juang, Chiou Jong Chen, Yu Tung Dai, Ching Ying Yeh, Ching Yao Hu

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)


Noise, vibration, and low temperature render specific occupational hazards to labor employees. The purpose of this research was to investigate the combined effects of these three physical hazards on employees' physiological parameters. The Taguchi experimental method was used to simulate different exposure conditions caused by noise, vibration, and low temperature, and their effects on the physiological parameters of the test takers were measured. The data were then analyzed using statistical methods to evaluate the combined effects of these three factors on human health. Results showed that the factor that influenced the finger skin temperature, manual dexterity, and mean artery pressure (MAP) most was air temperature, and exposure time was the second most influential factor. Noise was found to be the major factor responsible for hearing loss; in this case, hand-arm vibration and temperature had no effect at all. During the study, the temperature was confined in the 5-25 C range (which was not sufficient to study the effects at extremely high- and low-temperature working conditions) because the combined effects of even two factors were very complicated. For example, the combined effects of hand-arm vibration and low temperature might lead to occupational hazards such as vibration-induced white finger syndrome in working labors. Further studies concerning the occupational damage caused by the combined effects of hazardous factors need to be conducted in the future.

Original languageEnglish
Pages (from-to)560-567
Number of pages8
JournalKaohsiung Journal of Medical Sciences
Issue number10
Publication statusPublished - Oct 2013


  • Cold stress
  • Combined effects
  • Hand-arm vibration
  • Noise

ASJC Scopus subject areas

  • Medicine(all)


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