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Journal of Occupational Health

Naoto Ito, Tomohisa Nagata, Masayuki Tatemichi, Toru Takebayashi, Koji Mori
OBJECTIVES: To clarify the priority given to periodical medical examination items among occupational physicians in Japan. METHODS: Sixty-two occupational physicians who participated in this study selected statutory and non-statutory items within two types of budget plans: one lower (8,500 yen) than the total fee of statutory medical examinations (9,250 and 11,290 yen), and the other higher (12,000 yen) than the total fee. Medical fee points were used to set the cost of each medical examination item...
September 20, 2018: Journal of Occupational Health
Yathapu Srinivasa Reddy, Sarath Babu Srivalliputturu, Dinesh Kumar Bharatraj
OBJECTIVE: The current study investigated the additive effect of oral lead (Pb) exposure and dietary iron (Fe) deficiency on intestinal lactobacilli, E. coli, and yeast in SD rats. METHODS: Weanling rats were fed on control diet (CD) or iron deficient diet (ID) for 4 weeks, followed by oral Pb exposure for another 4 weeks. Lead exposure was withdrawn for 2 weeks, and then resumed after 2 weeks. Blood samples were collected to determine haemoglobin (Hb), serum iron, blood Pb and δ-Aminolevulenic acid dehydratase (ALAD) activity...
September 11, 2018: Journal of Occupational Health
Mieko Nakamura, Ayako Miura, Tomomi Nagahata, Atsushi Toki, Yosuke Shibata, Eisaku Okada, Toshiyuki Ojima
OBJECTIVES: Shift workers are at an increased risk of diet-related chronic conditions. We aimed to investigate dietary intake and dinner timing among shift workers. METHODS: A questionnaire survey was administered to the employees of 43 companies in Japan between December 2013 and February 2014. The dietary intake of workers was assessed through a validated food frequency questionnaire (FFQ). Nutrient intake was evaluated by adjusting the total energy intake using a nutrient residual model...
September 3, 2018: Journal of Occupational Health
Hisashi Eguchi, Koji Wada
OBJECTIVES: This study investigated potential associations between having a person in need of nursing care at home and psychological distress amongst the Japanese working population, using a nationally representative sample. METHODS: We extracted data from the 2013 Comprehensive Survey of Living Conditions conducted by the Ministry of Health, Labour and Welfare of Japan. The original survey was conducted amongst 295,367 households in 5,530 randomly selected municipalities...
August 28, 2018: Journal of Occupational Health
Go J Yoshida
No abstract text is available yet for this article.
August 17, 2018: Journal of Occupational Health
Show-Yi Yang, Jia-Ming Lin, Wan-Yu Lin, Ching-Wen Chang
OBJECTIVE: We assessed the cancer risks resulting from the exposure to chromium, hexavalent chromium (Cr (VI)), oxidic nickel (Ni), and soluble Ni in welding fumes during pipeline and shipyard construction and pressure container manufacturing in Taiwan. We also determined the roles of welding performance and demographic characteristics during the exposure to Cr and Ni. METHODS: Personal air samples were collected for the analysis of Cr and Ni, and the concentrations of Cr (VI), oxidic Ni, and soluble Ni were quantified...
August 17, 2018: Journal of Occupational Health
Tomohide Kubo, Shuhei Izawa, Masao Tsuchiya, Hiroki Ikeda, Keiichi Miki, Masaya Takahashi
BACKGROUND: The European Union's Working Time Directive stipulates recovery periods as "Eleven consecutive hour daily rest periods (DRPs) between working days." In Japan, adopting this regulation has been discussed. OBJECTIVE: To examine the association between weekday DRPs and recovery from fatigue by conducting a one-month observational study using a fatigue monitoring application (fatigue app) on a smart tablet. METHODS: Fifty-five daytime employees working at an information technology company participated in this study...
August 17, 2018: Journal of Occupational Health
Kazuhiro Watanabe, Norito Kawakami, Toru Shiotani, Hidehiko Adachi, Kaori Matsumoto, Kotaro Imamura, Kei Matsumoto, Fumino Yamagami, Ayumi Fusejima, Tomoko Muraoka, Tomomitsu Kagami, Akihito Shimazu, Margaret L Kern
OBJECTIVES: Although well-being at work is important for occupational health, multi-dimensional workplace well-being measures do not exist for Japanese workers. The purpose of this study was to investigate the validity of the Japanese version of the Workplace PERMA-Profiler. METHODS: Japanese workers completed online surveys at baseline (N = 310) and 1 month later (N = 100). The Workplace PERMA-Profiler was translated according to international guidelines. Job and life satisfaction, work engagement, psychological distress, work-related psychosocial factors, and work performance were measured as comparisons for convergent validity...
August 17, 2018: Journal of Occupational Health
Anna Machoń-Grecka, Michał Dobrakowski, Aleksandra Kasperczyk, Ewa Birkner, Tomasz Pryzwan, Sławomir Kasperczyk
OBJECTIVES: The aim of the study was to examine blood levels of selected pro-inflammatory cytokines, C reactive protein (CRP), and selected factors that influence angiogenesis in workers exposed to lead for a short period of time. METHODS: The study population consisted of 36 male workers (mean age 41 ± 14 years) exposed to lead for 40 days. RESULTS: The mean blood lead level (BLL) was 10.7 ± 7.67 μg/dl at the beginning of the study, and increased to 49...
August 17, 2018: Journal of Occupational Health
Weiming Yuan, Meibian Zhang, Hua Zou, Xiangjing Gao, Yuqing Luan
OBJECTIVES: Human brucellosis, as a zoonosis, is a serious public health problem in many developing countries, including China. To date, there has been no case report on occupational brucellosis and the emergency response in the pharmaceutical manufacturing industry. The aim of this report is to describe an emergency brucellosis outbreak in this unusual setting and the associated treatment methods from an occupational health perspective. METHODS: The emergency response included a field epidemiological investigation, a hierarchy of control strategy, and validation of control measures...
August 2, 2018: Journal of Occupational Health
Tomoo Hidaka, Takeyasu Kakamu, Shota Endo, Sei Sato, Yusuke Masuishi, Tomohiro Kumagai, Shinichi Nakano, Kikuo Koyama, Tetsuhito Fukushima
OBJECTIVES: The purpose of the present study was to obtain knowledge for improvement of the housing and life among radiation decontamination workers by examining the effect of housing type on anxiety over lack of privacy. METHODS: This cross-sectional study comprised 544 male radiation decontamination workers in Fukushima Prefecture who anonymously answered self-administered questionnaires in 2013, including measurement of privacy anxiety, housing type, career change, social support, and sociodemographics...
July 27, 2018: Journal of Occupational Health
Toshio Kawai, Haruhiko Sakurai, Masayuki Ikeda
OBJECTIVES: To test the reliability of the procedures (described in a previous article) for estimation of biological occupational exposure limits (BOELs). METHODS: Data on four organic solvents (styrene, ethyl benzene, isopropyl alcohol and tetrachloroethylene) were obtained from recent publications and added to previously cited data for 10 organic solvents. Regression analysis was used for statistical evaluation. RESULTS AND DISCUSSION: The previously reported results obtained using 10 solvents were reproduced by the analysis with 14 solvents...
July 27, 2018: Journal of Occupational Health
Nomfundo Moroe, Katijah Khoza-Shangase
OBJECTIVE: This study was conducted to explore the scope of practice for occupational audiologists in the mining industry and the audiologists' involvement in hearing conservation programmes in South African mines. Additionally, this study investigated the mining industry's role in the audiologists' involvement, and assessed the audiologists' levels of preparedness for working in occupational audiology. METHODS: In-depth, qualitative telephone and face-to face interviews were conducted with seven occupational audiologists involved in the management of occupational, noise-induced hearing loss (ONIHL) in the South African mining sector...
July 6, 2018: Journal of Occupational Health
Atsuko Araki, Kenichi Azuma, Ginji Endo, Yoko Endo, Tetsuhito Fukushima, Kunio Hara, Hajime Hori, Seichi Horie, Hyogo Horiguchi, Masayoshi Ichiba, Gaku Ichihara, Masayuki Ikeda, Tatsuya Ishitake, Akiyoshi Ito, Yuki Ito, Satoko Iwasawa, Takeyasu Kakumu, Michihiro Kamijima, Kanae Karita, Takahiko Katoh, Toshio Kawai, Toshihiro Kawamoto, Shinji Kumagai, Yukinori Kusaka, Akiko Matsumoto, Muneyuki Miyagawa, Hiroyuki Miyauchi, Yasuo Morimoto, Kasuke Nagano, Hisao Naito, Tamie Nakajima, Makiko Nakano, Tetsuo Nomiyama, Hirokazu Okuda, Masayuki Okuda, Kazuyuki Omae, Haruhiko Sakurai, Kazuhiro Sato, Tomotaka Sobue, Yasushi Suwazono, Toru Takebayashi, Tatsuya Takeshita, Akito Takeuchi, Ayano Takeuchi, Masatoshi Tanaka, Shigeru Tanaka, Teruomi Tsukahara, Masashi Tsunoda, Susumu Ueno, Jun Ueyama, Yumi Umeda, Kenya Yamamoto, Yuko Yamano, Takenori Yamauchi, Eiji Yano
No abstract text is available yet for this article.
July 25, 2018: Journal of Occupational Health
Haruo Hashimoto, Kenichi Yamada, Hajime Hori, Shinji Kumagai, Masaru Murata, Toshio Nagoya, Hirohiko Nakahara, Nobuyuki Mochida
This Document, "Guidelines for personal exposure monitoring of chemicals" ("this Guideline"), has been prepared by "The Committee for Personal Exposure Monitoring" ("the Committee") of the Expert Division of Occupational Hygiene & Ergonomics, Japan Society for Occupational Health. Considering the background of the growing importance of personal exposure monitoring in risk assessment and the need to prepare for the introduction of monitoring using personal samplers from an administrative perspective in recent years, the Committee was organized in November 2012...
July 25, 2018: Journal of Occupational Health
Yi-Sin Wong, Cheung-Ter Ong, Yi-Ying Hsieh, Tuey-Wen Hung, How-Ran Guo
INTRODUCTION: Carpal tunnel syndrome (CTS) is prevalent in workers who utilize hand-held vibration tools, engage in tasks involving repetitive wrist movements, and suffer from wrist overuse. Although electrical injuries involving the median nerve are a relatively rare but plausible cause of CTS, the related literature is limited. Here, we report a case of CTS in which the symptoms developed after an electrical injury, and review the related literature. CASE SUMMARY: The patient was a right-handed male electrician who often used hand tools but had no symptoms of CTS before the injury, with the left hand as the point of entry...
July 25, 2018: Journal of Occupational Health
Sungjin Park, Pil Kyun Jung, Myungsup Choi, Hongdeok Seok, Hansol Kim, Sung-Soo Oh, Sang-Baek Koh
OBJECTIVES: This study aimed to investigate the association between occupational clusters and allergic rhinitis (AR). METHODS: The study was based on data from the Korean National Health and Nutrition Examination Survey (KNHANES: 2007-2015). This study included 46,965 individuals: 20,491 men and 26,474 women. AR was defined as having been diagnosed by a physician. Occupations were classified according to occupational characteristics and skill levels into white (chief executives, senior officials, legislators, managers, professionals, and technicians), pink (clerks, clerical support workers, services and sales workers), blue (craft and related trades workers, drivers, plant and machine operators, assemblers, elementary occupation workers), and green (skilled agricultural, forestry, and fishery workers) categories...
July 25, 2018: Journal of Occupational Health
Makiko Nakano, Kazuyuki Omae, Toru Takebayashi, Shigeru Tanaka, Shigeki Koda
BACKGROUND: ortho-Toluidine (OT) was listed as a Group 1 carcinogen by the International Agency for Research on Cancer in 2012 based on epidemiological observations of workers co-exposed to OT and aromatic amines. From 2014 to 2017, several cases of bladder cancer (BCa) secondary to occupational exposure, primarily to OT, were detected in Japan. OBJECTIVE: To describe 10 cases of BCa in male Japanese workers exposed primarily to OT at two plants that produce organic dye and pigment intermediates...
July 25, 2018: Journal of Occupational Health
Tomoko Nakao, Atsushi Yasumoto, Suzumi Tokuoka, Yoshihiro Kita, Takuya Kawahara, Masao Daimon, Yutaka Yatomi
OBJECTIVES: Rotating shift work has been reported to increase the risk of cardiovascular diseases. Vascular endothelial dysfunction and platelet activation are among the leading causes of thrombus formation in patients with myocardial infarction or stroke. Endothelial function has been shown to be impaired immediately after night-shift work; however, it is not known whether platelets are also activated. The aim of this study was to investigate the acute impact of night-shift work on platelet function...
July 25, 2018: Journal of Occupational Health
Kotaro Imamura, Yumi Asai, Kazuhiro Watanabe, Akizumi Tsutsumi, Akihito Shimazu, Akiomi Inoue, Hisanori Hiro, Yuko Odagiri, Toru Yoshikawa, Etsuko Yoshikawa, Norito Kawakami
OBJECTIVES: This retrospective cohort study evaluated the impact of the Stress Check Program, a recently introduced national policy and program aimed at reducing psychological distress among Japanese workers. METHODS: A baseline survey was conducted from November 2015 to February 2016, the period when Japan began enforcing the Stress Check Program. A one-year follow-up survey was conducted in December 2016. In the follow-up survey, two exposure variables were collected: having taken the annual stress survey, and experiencing an improvement in the psychosocial work environment...
July 25, 2018: Journal of Occupational Health
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