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Industrial Health

Corinne Nicoletti, Thomas Läubli
The aim of this study was to analyze the activity of the trapezius muscle and the arm acceleration during the course of a workday in office employees. It was examined if there are significant changes in trapezius muscle activity in the afternoon compared to the morning work period and relationships to the level of arm acceleration during lunchtime. Nineteen female office employees were recruited. A one hour period of the work in the morning and in the afternoon, and the lunchtime were compared. The measures of the trapezius muscle activity and muscle rest time (TR) did not significantly differ between working in the morning (TR: median 10%; range 1%-49) or working in the afternoon (TR: median 18%; range 2%-34%)...
January 13, 2017: Industrial Health
Ichiro Higashikubo, Hiroyuki Miyauchi, Satoru Yoshida, Shinsuke Tanaka, Mitsunori Matsuoka, Heihachiro Arito, Akihiro Araki, Hidesuke Shimizu, Haruhiko Sakurai
Workplace air concentrations of formaldehyde (FA) in medical facilities where FA and FA-treated organs were stored and handled were measured before and during working hours and assessed by the official method specified by Work Environment Measurement Law. Sixty-percent of the total facilities examined were judged as inappropriately controlled work environment. The concentrations of FA before working hours by spot sampling were found to exceed 0.1 ppm in some facilities, and tended to increase with increasing volume of containers storing FA and FA-treated materials...
January 13, 2017: Industrial Health
Michael K Lemke, Yorghos Apostolopoulos, Adam Hege, Laurie Wideman, Sevil Sonmez
Long-haul truck drivers in the United States experience elevated cardiovascular health risks, possibly due to hypercholesterolemia. The current study has two objectives: 1) to generate a cholesterol profile for U.S. long-haul truck drivers; and 2) to determine the influence of work organization characteristics and sleep quality and duration on cholesterol levels of long-haul truck drivers.Survey and biometric data were collected from 262 long-haul truck drivers. Descriptive analyses were performed for demographic, work organization, sleep, and cholesterol measures...
December 30, 2016: Industrial Health
Masao Tsuchiya, Masaya Takahashi, Keiichi Miki, Tomohide Kubo, Shuhei Izawa
A daily rest period (DRP; rest taken from daily work during a 24 h period), is essential to work recovery. This study examined DRPs' distribution and association with health outcomes among information technology workers recruited from an internet panel (N = 1,811). Participants completed a web questionnaire examining psychological distress as a primary outcome, along with non-restorative sleep, fatigue (stress reaction), and work performance. Logistic regression analysis showed elevated psychological distress when DRP was <12 h (OR: 2...
December 24, 2016: Industrial Health
Abolfazl Ghahramani
The evaluation of safety performance in occupational health and safety assessment series (OHSAS) 18001-certified companies provides useful information about the quality of the management system. A certified organization should employ an adequate level of safety management and a positive safety culture to achieve a satisfactory safety performance. The present study conducted in six manufacturing companies: three OHSAS 18001-certified, and three non-certified to assess occupational health and safety (OHS) as well as OHSAS 18001 practices...
December 24, 2016: Industrial Health
Gro Tjalvin, Nils Magerøy, Magne Bråtveit, Stein Håkon Låstad Lygre, Bjørg Eli Hollund, Bente Elisabeth Moen
Foul-smelling environmental pollution was a major concern following a chemical workplace explosion. Malodorous pollution has previously been associated with aggravated physical and psychological health, and in persons affected by a trauma, an incidence-related odour can act as a traumatic reminder. Olfaction may even be of significance in the development and persistence of post-traumatic stress symptoms (PTSS). The present longitudinal study assessed whether perceived smell related to malodorous environmental pollution in the aftermath of the explosion was a determinant of subjective health complaints (SHC) and PTSS among gainfully employed adults, when the malodorous pollution was present, and after pollution clean-up...
December 2, 2016: Industrial Health
Koichi Yoshino, Seitaro Suzuki, Yoichi Ishizuka, Atsushi Takayanagi, Naoki Sugihara, Hideyuki Kamijyo
The aim was to assess subjective oral health symptoms and job stress, as measured by self-assessment of how demanding the job is, in male financial workers. The participants were recruited by applying screening procedures to a pool of Japanese registrants in an online database. For the stress check, 7 items about how demanding the job is were selected from The Brief Job Stress Questionnaire (BJSQ). Participants comprised a total of 950 financial male workers, ages 25 to 64. Participants who answered "I can't complete my work in the required time" had more decayed teeth (p=0...
November 11, 2016: Industrial Health
Shuangyue Li, Huai Guan, Zhiqiang Qian, Yijie Sun, Chenxue Gao, Guixin Li, Yi Yang, Fengyuan Piao, Shuhai Hu
2,5-hexanedione (HD) is the ultimate neurotoxic metabolite of hexane, causing the progression of nerve diseases in human. It was reported that HD induced apoptosis and oxidative stress. Taurine has been shown to be a potent antioxidant. In the present study, we investigated the protection of taurine against HD-induced apoptosis in PC12 cells and the underlying mechanism. Our results showed the decreased viability and increased apoptosis in HD-exposed PC12 cells. HD also induced the disturbance of Bax and Bcl-2 expression, the loss of MMP, the release of mitochondrial cytochrome c and caspase-3 activation in PC12 cells...
November 11, 2016: Industrial Health
Judith Kampa, Thomas Rigotti, Kathleen Otto
In order to gain more knowledge on how the positive leadership concept of authentic leadership impacts follower strain, this study tries to uncover procedural justice as an underlying mechanism. In contrast to previous work, we exclusively base our theoretical model on justice theories. Specifically, we hypothesize that authentic leadership negatively predicts emotional exhaustion through perceptions of procedural justice. We assume that this indirect effect is conditional on followers\' amount of emotional demands, and that the procedural justice-emotional exhaustion relationship is stronger when emotional demands are high...
November 3, 2016: Industrial Health
Mariko Inoue, Mariko Nishikitani, Shinobu Tsurugano
The participation of women in the Japanese labor force is characterized by its M-shaped curve, which reflects decreased employment rates during child-rearing years. Although, this M-shaped curve is now improving, the majority of women in employment are likely to fall into the category of non-regular workers. Based on a review of the previous Japanese studies of the health of non-regular workers, we found that non-regular female workers experienced greater psychological distress, poorer self-rated health, a higher smoking rate, and less access to preventive medicine than regular workers did...
December 7, 2016: Industrial Health
Hisashi Eguchi, Akihito Shimazu, Takeo Fujiwara, Noboru Iwata, Kyoko Shimada, Masaya Takahashi, Masahito Tokita, Izumi Watai, Norito Kawakami
This study explored the effect of workplace psychosocial factors (job demand, job control, and workplace social support) on dual-earner couples in Japan having additional children, using a prospective study design. We conducted a 2-year prospective cohort study with 103 dual-earner couples with preschool children in Japan, as part of the Tokyo Work-Family Interface Study II. We used multivariable logistic regression analyses to evaluate the prospective association of job strain (categorized into low-strain job, active job, passive job, and strain job groups) and workplace social support (high and low) with couples having additional children during the follow-up period, adjusting for age, for men and women separately...
December 7, 2016: Industrial Health
Fumiaki Taka, Kyoko Nomura, Saki Horie, Keisuke Takemoto, Masumi Takeuchi, Shinichi Takenoshita, Aya Murakami, Haruko Hiraike, Hiroko Okinaga, Derek R Smith
We investigated relationships between the perception of organizational climate with gender equity and psychological health among 94 women and 211 men in a Japanese private university in 2015 using the Copenhagen Burnout Inventory (i.e., personal, work-related and student-related burnout). Perceptions of organizational climate with respect to gender equity were measured with two scales including organizational engagement with a gender equal society in the workplace (consisting of three domains of 'Women utilization', 'Organizational promotion of gender equal society' and 'Consultation service'); and a gender inequality in academia scale that had been previously developed...
December 7, 2016: Industrial Health
Kounosuke Suzuki, Kyoko Nomura, Shinichi Takenoshita, Kazumichi Ando, Michiko Kido
This study aimed to examine the effects of parity and pre-pregnancy body mass index (BMI) on low birth weight (LBW) infants among Japanese women. Participants included 1,518 mothers (mean age 34.0 years) of singleton full-term infants in 2011. The incidence of LBW infants was 7.5% in primiparous women with BMI<18.5 (Group A; n=239), 4.0% in multiparous women with BMI<18.5 (Group B; n=124), 6.0% in primiparous women with 18.5≤BMI<25 (Group C; n=715), and 1.8% in multiparous women with 18.5≤BMI<25 (Group D; n=440)...
December 7, 2016: Industrial Health
Keisuke Kuwahara, Akihiko Uehara, Makoto Yamamoto, Tohru Nakagawa, Toru Honda, Shuichiro Yamamoto, Hiroko Okazaki, Naoko Sasaki, Takayuki Ogasawara, Ai Hori, Chihiro Nishiura, Toshiaki Miyamoto, Takeshi Kochi, Masafumi Eguchi, Kentaro Tomita, Teppei Imai, Akiko Nishihara, Satsue Nagahama, Taizo Murakami, Makiko Shimizu, Isamu Kabe, Tetsuya Mizoue, Naoki Kunugita, Tomofumi Sone, Seitaro Dohi
Data are limited on the sex-specific prevalence of diseases and their risk factors in middle-aged and older workers in Japan. In this cross-sectional study, we investigated the age- and sex-specific prevalence of hypertension, diabetes, dyslipidemia, metabolic syndrome (defined using joint statement criteria), obesity, underweight, abdominal obesity, and smoking among approximately 70,000 to 90,000 Japanese workers (predominantly men) aged 20-69 years in 2014. We also investigated the prevalence of low cardiorespiratory fitness in 2012 and no leisure-time exercise in 2014...
December 7, 2016: Industrial Health
Tsutomu Shioda, Masaaki Matsuura, Yoshiharu Fukuda, Kenzo Takahashi, Kazue Yamaoka
Child health checkups are an important public service to support children's development; however, many children do not attend all the child health checkups that are required by maternal and child health law (i.e., at 1 month, 4 months, 1 and a half years, and 3 years of age). This study aimed to identify social and household factors influencing child health checkup attendance. We used data from a longitudinal household panel study in Japan. The total number of subjects was 2,612 children. We extracted numerous social variables reflecting childcare and conducted logistic regression analyses...
December 7, 2016: Industrial Health
Norimitsu Ichikawa
A human body is occasionally electrified in a room. This charged object will be a source of electrostatic accidents, including the malfunction of electronic equipment. Hence, prevention of these accidents is required. Accidents occasionally occur, even though antistatic clothes and shoes are used. One of the causes for these accidents is that there is a lack of the preventive measures. This situation occurs when using, for example, unconductive wax. In this study, human body potential (voltage) is measured using a non-contact measuring system...
December 7, 2016: Industrial Health
Matteo Riccò, Silvia Cattani, Licia Veronesi, Maria Eugenia Colucci
Construction workers (CWs) are both more exposed to tetanus and at higher risk to be inadequately immunized. Our aim was to evaluate tetanus immunization status and knowledge/attitudes towards tetanus vaccination in CWs in Italy. In this field report, the immunization status of 554 unskilled CWs (i.e. labourers). Immunization status was assessed recalling immunization booklets/certificates. Attitudes and knowledge were collected through a standardized questionnaire. In 240/554 CWs, immunization status was inadequate/not documented: in 184 subjects (33...
December 7, 2016: Industrial Health
Cassie J Hilditch, Jillian Dorrian, Siobhan Banks
Sleep inertia is the period of impaired performance and grogginess experienced after waking. This period of impairment is of concern to workers who are on-call, or nap during work hours, and need to perform safety-critical tasks soon after waking. While several studies have investigated the best sleep timing and length to minimise sleep inertia effects, few have focused on countermeasures -especially those that can be implemented after waking (i.e. reactive countermeasures). This structured review summarises current literature on reactive countermeasures to sleep inertia such as caffeine, light, and temperature and discusses evidence for the effectiveness and operational viability of each approach...
December 7, 2016: Industrial Health
Yi-Lang Chen, Ting-Kuang Ho
The objective of this study was to psychophysically determine the maximum acceptable weight of lift (MAWL) for polypropylene (PP) laminated bags. Twelve men were requested to decide their MAWLs under various task combinations involving 3 lifting ranges, 3 lifting frequencies, and 2 hand conditions. The results revealed that the MAWL was significantly affected by the frequency and range variables (all p<.001), whereas the hand condition did not influence the MAWL. The participants exhibited relatively low MAWL values compared with subjects in previous studies, especially in infrequent lifts...
December 7, 2016: Industrial Health
Shotaro Doki, Shinichiro Sasahara, Yuichi Oi, Ichiyo Matsuzaki
The present study aimed to survey systems in Japanese companies for supporting workers returning to work from sickness absence due to mental illness. A questionnaire survey was mailed to 3,545 companies. Support systems for return to work, sick leave, and multiple sick-listed (MSL) workers were examined. A total of 161 companies responded to the survey (response rate: 4.5%). About 80% of the companies expressed difficulty in dealing with workers with mental health problems. About half of all companies reported having reset period and financial compensation systems, as well as gradual resumption and trial attendance systems...
December 7, 2016: Industrial Health
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