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2002 Volume 44 Issue 5 Pages
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Article type: Index
2002 Volume 44 Issue 5 Pages
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Article type: Appendix
2002 Volume 44 Issue 5 Pages
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Takeshi HAYASHI
Article type: Article
2002 Volume 44 Issue 5 Pages
175-179
Published: September 20, 2002
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The environment which surrounds office workers has undergone a big transformation with the collapse of lifetime employment, the shift from the long employment principle to meritocracy, the results principle , the introduction of flexible work hours, outsourcing and dispatch work. Today's office worker stressor include (1) VDT work, (2) meritocracy, (3) management by objective, (4) excessive load on the middle and advanced age generations, (5)the collapse of the lifetime employment system and (6) non-employee changes. (1) VDT work management, (2) the use of Information technology, (3) Improvement of office environments, (4) Management of long overtime work and (5) Support of superiors and colleagues are thought as stress management.
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Kazushi TAODA, Hiroji TSUJIMURA, Teruyo KITAHARA, Katsuo NISHIYAMA
Article type: Article
2002 Volume 44 Issue 5 Pages
180-187
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Many forklift drivers have musculoskeletal disorders such as low back pain related to poor work posture and whole-body vibration. With a forklift operators seat capable of 45-degree swiveling, we evaluated the physical reduction in the load in 10 subjects working in a back-looking position by means of surface electromyography (EMG) and the angle of rotation of the trunk and neck regions. The amplitude of surface EMG on the trapezius, erector spinae, and latissimus dorsi muscles in looking back or maintaining a back-looking position decreased with a swiveling seat compared to the stationary seat. Nevertheless, there was little alleviation of the amplitude of surface EMG on the stemocleidomastoid muscle in maintaining a back-looking posture and no decrease in looking back. The angle of rotation of the trunk maintaining a back-looking position was decreased greatly with the swiveling seat, but no decrease in the rotation angle of the neck was seen. Our study suggests that a swiveling seat is effective in reducing the physical load on the forklift driver during back-looking operations, and this may lead to the prevention of low back pain.
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Kimiko KOSHI, Tetuo MOURI, Hiroki SUGIMORI, Takashi NUMANO, Toshifumi ...
Article type: Article
2002 Volume 44 Issue 5 Pages
188-199
Published: September 20, 2002
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Kanagawa Occupational Health Promotion Center conducted a survey on how the MSDS is utilized at workplaces with more than 50 employees handling chemical substances, and what measures are taken to help employees to thoroughly understand information in the Material Safety Data Sheet (MSDS). Questionnaires were sent out to 265 enterprises in Kanagawa prefecture, putting questions to industrial physicians and industrial hygiene supervisors. The objective of the survey was to find out how MSDS is adopted in the system to manage occupational health, what improvements the survey respondents want in MSDS and what expectations the respondents have of our center. 193 enterprises (72.8%) returned answers to the questionnaire. The major findings are as follows. (1) In many companies, information on hazardous/toxic materials is "controlled by a division using such materials", and roughly half of the companies have compiled a common list shared throughout the company. (2) For the most part suppliers submit to the MSDS. Larger companies have a higher rate of posting up or filing the MSDS at their workplaces. Only 25.8% of the companies "rewrite the MSDS so that workers can understand it." (3) Companies that carry out a hazard/toxicity assessment before introducing a new chemical substance account for 72.1%, which is higher than we expected. It indicates that even though the companies don't manage the MSDS adequately, they are highly concemed about hazard control of chemical substances. (4) The rate of answering that "the current MSDS is not easy to understand" is higher among large-sized enterprises and lower among enterprises with fewer than 300 employees. (5) Asked what improvement needs to be made on the MSDS, the industrial physicians and industrial hygiene supervisors gave same answers such as "Workers find the terminology difficult to understand." and "Levels of toxicity can't be clearly identified." (6) The respondents expect our center to provide information for the MSDS. In conclusion, it is considered that in order to prepare understandable MSDSs to workers in enterprises, the role of our center to provide information and education on the MSDS to respondents was important.
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Tomoko IKEDA, Akinori NAKATA, Shun-ichi KOBORI, Minoru HOJO, Chieko SU ...
Article type: Article
2002 Volume 44 Issue 5 Pages
200-207
Published: September 20, 2002
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Due to the increase in mental health problems among Japanese workers in recent years, effective approaches to address these problems are of growing concern. Although such an effort is now under way in largescale enterprises (LSEs), small-scale enterprises (SSEs) are lagging behind LSEs for a number of reasons. In the present study, to know the reason, the presidents of 263 SSEs (fewer than 50 employees) in the Ohta ward of Tokyo were surveyed with a self-administered questionnaire from October 1999 to March 2000 (response rate, 51.0%). The main business types were manufacturing (71.2%), transportation & storage (6.1%), and construction (5.3%). The results revealed that employers attribute the mental health problems of employees to "Job content/Aptitude for job (78.6%)", "Communication among employees (71.0%)", "Physical problems/Illness (50.4%)", "Family problems (33.6%)". These results are very similar to those obtained in the same enterprises employees survey in 1996, suggesting that employers perceive the factors responsible for employees' mental health problems with substantial accuracy. Sixty-nine point five percent of the employers answered that they need mental health measures for employees. And 62.7% of employers agreed to take mental health measures in their enterprises. Taken together, it is considered that employers are willing to improve their employees' mental health problems. Nevertheless, 95% of employers are doing nothing to improve the situation. The major reasons cited were 1) Cannot obtain a consultant or counselor (44.8%), 2) Lack of time (43.1%), 3) Manpower shortage (41.4%), 4) Difficulty in ensuring employees' privacy (36.2%), and 5) Lack of financial resources (30.2%). The results of the present study suggest that perception of the mental health problems among employers and employees of SSEs in the Ohta area were close to each other. Effective strategies are needed to improve mental health problems in SSEs.
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[in Japanese], [in Japanese]
Article type: Article
2002 Volume 44 Issue 5 Pages
208-
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[in Japanese]
Article type: Article
2002 Volume 44 Issue 5 Pages
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[in Japanese]
Article type: Article
2002 Volume 44 Issue 5 Pages
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
2002 Volume 44 Issue 5 Pages
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
2002 Volume 44 Issue 5 Pages
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
2002 Volume 44 Issue 5 Pages
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Article type: Article
2002 Volume 44 Issue 5 Pages
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
2002 Volume 44 Issue 5 Pages
209-210
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Article type: Article
2002 Volume 44 Issue 5 Pages
210-
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Article type: Article
2002 Volume 44 Issue 5 Pages
210-
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Article type: Article
2002 Volume 44 Issue 5 Pages
210-211
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2002 Volume 44 Issue 5 Pages
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Article type: Article
2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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Article type: Article
2002 Volume 44 Issue 5 Pages
211-212
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Article type: Article
2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
212-213
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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Article type: Article
2002 Volume 44 Issue 5 Pages
213-214
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
214-215
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
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2002 Volume 44 Issue 5 Pages
217-218
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2002 Volume 44 Issue 5 Pages
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