Kazuhiko Enta

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OBJECTIVES Recent epidemiological research in Europe has reported that two groups of job demands, i.e., challenges and hindrances, are differently associated with work engagement. The purpose of the present study was to replicate the cross-sectional association of workload and time pressure (as a challenge) and role ambiguity (as a hindrance) with work(More)
Sleep Apnea Syndrome (SAS) is a condition characterized by sleep-disordered breathing resulting in health impairment and sleep problems. From the viewpoints of the prevention of health impairment, accidents at work and traffic accidents, active implementation of screening for SAS in workplaces is necessary. Using a portable pulse oximeter, we conducted SAS(More)
We investigated job stress among 442 employees from 19 divisions in a Japanese company using the Brief Job Stress Questionnaire. Job stress of the employees was estimated by the score for total health risk. Among the 19 divisions, two divisions showed over 120 points of mean total health risk score. Intervention with a stress-reduction program was carried(More)
It remains to be fully clarified whether there is a relationship between uncontrolled dyslipidemia and decline in estimated glomerular filtration rate (eGFR) in the general population. Therefore, this study’s aim was to test the association of dyslipidemia with changes in eGFR in apparently healthy working men. We retrospectively examined the annual medical(More)
The multiple inspection train nicknamed "Doctor Yellow" is capable of taking necessary measurements of the track and electrical facilities, and maintains the safety and reliability of the Tokaido Shinkansen corridor. We performed a workplace inspection to examine environmental conditions in this train. The workers were engaged in VDT (visual display(More)
The aim of this study was to elucidate the usable predisposing factors of sleep-disordered breathing (SDB) in the workplace. A total of 353 male workers who complained of SDB related symptoms such as witnessed snoring, recurrent awakening from sleep, urination during the night, morning headache, and excessive daytime sleepiness were included in the(More)
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