| Summary: | 碩士 === 國立陽明大學 === 公共衛生研究所 === 87 === By the development of Hi-tech industry, telecommunication has become the most promising service trade in Taiwan next to the computer industry. And people working in this trade are increasing quickly.
The purposes of the study are to realize the condition of the work fatigue and physiological performance of telecommunication indoor workers in our country, and to discuss the relative factors, which cause workers fatigue. The results can be the references of regulation amending and employees protecting.
Two hundred and seven subjects were participated in the study including 114 operators, 42 engineers, and 51 tellers. We focus on 160 subjects who are below 45 years old. Questionnaires were used to collect the subjective symptom of fatigue and visual & musculoskeletal symptom of fatigue in VDTs operation before and after works. Physiological examinations were taken at the same time. Working environment were examined during working hours at afternoon.
The results show the prevalence of "eyes fatigue"in the operators and tellers are up to 88% and 82%﹔"thirst" prevalence are up to 70% and 56%. The types of fatigue are different between operators and tellers. The operators are general type fatigue, but the tellers are mental type fatigue. The prevalence of subjective symptom of fatigue in the engineers is much lower than operators and tellers not only pre- work but also post- work. In the physiological tests, the heart rates of three groups decrease significantly (p<0.05) after works, especially in operators (-9.11±8.86 b/m). The operators are increased on diastolic blood pressure, near point distance and decreased on flicker, right hand strength of grasp, thumb, and forefinger & middle finger significantly (P<0.05) after works. It should be noticed that magnetic field intensities in the engine room are over 170 mG on 5 Hz and 30 Hz.
The main cause of fatigue in the operators is using computers for a long time ﹔in the tellers are unstable workload and higher working stress. We should make an effort in these causes to improve the fatigue conditions of telecommunication indoor workers.
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