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Annals of Work Exposures and Health

Michael P Mellette, Dhimiter Bello, Yalong Xue, Michael Yost, Anila Bello, Susan Woskie
Background: Diisocyanates (isocyanates), including methylene diphenyl diisocyanate (MDI), are the primary reactive components of spray polyurethane foam (SPF) insulation. They are potent immune sensitizers and a leading cause of occupational asthma. Skin exposure to isocyanates may lead to both irritant and allergic contact dermatitis and possibly contribute to systemic sensitization. More than sufficient evidence exists to justify the use of protective garments to minimize skin contact with aerosolized and raw isocyanate containing materials during SPF applications...
May 12, 2018: Annals of Work Exposures and Health
Sonia El-Zaemey, Renee N Carey, Ellie Darcey, Alison Reid, Lesley Rushton, Damien M McElvenny, Lin Fritschi
Introduction: About half of all workers in high-income countries work in small companies. However, regulatory bodies and researchers predominantly work with large companies because they are more convenient to study and easier to reach. We aimed to estimate the prevalence of exposure to asthmagens and the use of respiratory protective equipment (RPE) by company size. Methods: This analysis used data from the Australian Work Exposures Study-Asthma, a telephone survey which investigated exposure to 27 asthmagen groups...
May 8, 2018: Annals of Work Exposures and Health
Brie Hawley, Megan Casey, Mohammed Abbas Virji, Kristin J Cummings, Alyson Johnson, Jean Cox-Ganser
No abstract text is available yet for this article.
May 4, 2018: Annals of Work Exposures and Health
Sadegh Samadi, Dick J J Heederik, Eva Zahradnik, Nancy N J Rietbroek, Frank van Eerdenburg, Ingrid Sander, Monika Raulf, Inge M Wouters
Background: Dairy farmers may develop specific sensitization and allergic airway diseases due to bovine allergens. However, dose-response relationships are lacking, and as yet little is known on bovine allergen exposure levels. Objective: To investigate bovine allergen exposure levels in a ruminant clinic and dairy barns, and to assess exposure determinants and variability of exposure. Methods: Samples were collected using active and passive airborne dust measurements in a ruminant clinic and several dairy barns...
April 27, 2018: Annals of Work Exposures and Health
John A Lynch, Quinn T Birch, Thomas H Ridgway, M Eileen Birch
The increasing prevalence of carbon nanotubes (CNTs) in manufacturing and research environments, together with the potential exposure risks, necessitates development of reliable and accurate monitoring methods for these materials. We examined quantification of CNTs by two distinct methods based on Raman spectroscopy. First, as measured by the Raman peak intensity of aqueous CNT suspensions, and second, by Raman mapping of air filter surfaces onto which CNTs were collected as aerosols or applied as small-area (0...
April 27, 2018: Annals of Work Exposures and Health
Natacha Fouquet, Julie Bodin, Emilie Chazelle, Alexis Descatha, Yves Roquelaure
Objectives: To compare the data of the French workers' compensation system (WCS) and three surveillance networks, and to determine the possibility of identifying the industry sectors most in need of programs for prevention of low-back pain (LBP). Methods: This study compared four databases and two types of indicators in a west central region of France: • surveillance of musculoskeletal symptoms in the working population [LBP and disc-related sciatica (DRS) indicators; Cosali study] • surveillance of uncompensated work-related diseases (LBP and DRS indicators) • surveillance of lumbar disc surgery (LDS) in the general population (DRS indicator) • French WCS (disc herniation with radiculopathy caused by vibration or handling of materials; DRS indicator) People aged 20-59 were studied...
April 27, 2018: Annals of Work Exposures and Health
Bingbing Wu, Jonathan Corey, Michael Yermakov, Yan Liu, Sergey A Grinshpun
Background: A low-cost real-time Respirator Seal Integrity Monitor (ReSIM) was recently developed to monitor a respirator's actual performance at a workplace. The objective of this study was to evaluate the capability of the new ReSIM prototype in manikin-based laboratory experiments to rapidly detect induced leakage of a half-mask elastomeric respirator. Methods: Two phases of testing were conducted in this study. First, the accuracy of ReSIM measuring an aerosol concentration was assessed by comparing the outputs of ReSIM against a reference optical aerosol spectrometer (OAS) in a flow-through set-up...
April 21, 2018: Annals of Work Exposures and Health
Allison Milner, Anthony D LaMontagne, Matthew J Spittal, Jane Pirkis, Dianne Currier
Aims: Past research suggests that adverse experiences at work (such as job stressors and precarious employment) are associated with thoughts about suicide, especially among males. A limitation of this research is that it is largely cross-sectional. Thus, it is unknown whether job stressors are a prior cause of thoughts about suicide. This study examined the baseline association between adverse experiences at work and thoughts about suicide at follow-up in a large nationally representative cohort of employed men...
April 4, 2018: Annals of Work Exposures and Health
Margaret M Quinn, Peter M Smith
No abstract text is available yet for this article.
March 29, 2018: Annals of Work Exposures and Health
Sandrine Chazelet, Pascal Wild, Eric Silvente, Céline Eypert-Blaison
Numerous changes have been made to the French labour regulations in recent years relating to the prevention of risks of exposure to asbestos fibres for operators removing asbestos-containing materials. These changes refer to the method used to count fibres, the collective and personal protective devices to be used on these worksites, and the occupational exposure limit value, which was reduced to 10 f.L-1 on 2 July 2015. In this context, this study assessed the level of respiratory protection afforded by supplied-air respirators and powered air-purifying respirators by monitoring exposure for several operators on nine worksites...
March 27, 2018: Annals of Work Exposures and Health
Satoru Ueno, Yoko Sakakibara, Naomi Hisanaga, Tatsuo Oka, Sachiko Yamaguchi-Sekino
Objectives: The aim was to ascertain hydration and heat strain of construction workers in Japan during the summer who are at the highest risk of heat-related disorders. Methods: The subjects were 23 construction workers, whose average age was 41, average weight was 69 kg, and average height was 170 cm. We measured thermal working conditions with a wet bulb globe temperature (WBGT) measurement instrument affixed to the helmet of each worker, at fixed points outdoors in the sun and indoors...
March 24, 2018: Annals of Work Exposures and Health
Alejandra Vives, Nora Gray, Francisca González, Agustín Molina
Objectives: In Chile, working after retirement age has grown substantially over the last years. This, in addition to the country's current discussion about extending retirement age, motivates the need of generating evidence on the occupational health and safety of the working old, with a special focus on women, who are critically disadvantaged in Chile's labour market. The objective of this paper is to describe and compare the ageing workforce of women and men in Chile in terms of labour market participation, employment and working conditions, work-life balance, and health...
March 22, 2018: Annals of Work Exposures and Health
Andrea Farioli, Stefania Curti, Roberta Bonfiglioli, Alberto Baldasseroni, Giovanna Spatari, Stefano Mattioli, Francesco Saverio Violante
Objectives: We aimed at assessing whether differences among males and females in carpal tunnel syndrome (CTS) epidemiology might be attributable to segregation with respect to occupational biomechanical exposures or differential access to care by sex. Methods: We analysed surgically treated cases of CTS occurring among non-manual workers in Tuscany between 1997 and 2000. We conducted a Monte Carlo simulation to estimate the difference in occupational biomechanical exposures between males and females necessary to explain the observed incidence rate ratios...
March 20, 2018: Annals of Work Exposures and Health
M Clare Butler Ellis, Marc C Kennedy, Christian J Kuster, Rafael Alanis, Clive R Tuck
The BREAM (Bystander and Resident Exposure Assessment Model) (Kennedy et al. in BREAM: A probabilistic bystander and resident exposure assessment model of spray drift from an agricultural boom sprayer. Comput Electron Agric 2012;88:63-71) for bystander and resident exposure to spray drift from boom sprayers has recently been incorporated into the European Food Safety Authority (EFSA) guidance for determining non-dietary exposures of humans to plant protection products. The component of BREAM, which relates airborne spray concentrations to bystander and resident dermal exposure, has been reviewed to identify whether it is possible to improve this and its description of variability captured in the model...
March 17, 2018: Annals of Work Exposures and Health
Åsa Svedmark, Martin Björklund, Charlotte K Häger, Johan Nilsson Sommar, Jens Wahlström
Introduction: The aim was to evaluate if pain, disability, and work productivity are influenced by physical and psychosocial work exposures as well as by stress, up to 1 year after a randomized controlled trial treatment intervention, and to determine whether any such association differed between treatment and control groups. Methods: Ninety-seven working women suffering non-specific neck pain (n = 67 treatment group, n = 30 control group) were followed from end of treatment intervention and at 9- and 15-month follow-ups, respectively...
March 17, 2018: Annals of Work Exposures and Health
Jesse D Berman, Thomas M Peters, Kirsten A Koehler
Objectives: To design a method that uses preliminary hazard mapping data to optimize the number and location of sensors within a network for a long-term assessment of occupational concentrations, while preserving temporal variability, accuracy, and precision of predicted hazards. Methods: Particle number concentrations (PNCs) and respirable mass concentrations (RMCs) were measured with direct-reading instruments in a large heavy-vehicle manufacturing facility at 80-82 locations during 7 mapping events, stratified by day and season...
March 17, 2018: Annals of Work Exposures and Health
Kathy Padkapayeva, Mahée Gilbert-Ouimet, Amber Bielecky, Selahadin Ibrahim, Cameron Mustard, Chantal Brisson, Peter Smith
Objectives: Stress is an important factor affecting the health of working population. While work exposures are determinants of levels of work and life stress, we do not know whether similar or different exposures are related to stress levels for men and women. This study aimed to formally examine male/female differences in the relationships between psychosocial work exposures and work and life stress in a representative sample of Canadian labour market participants. Methods: We used data from 2012 cycle of the Canadian Community Health Survey (CCHS), a representative population-based survey conducted by Statistics Canada...
March 15, 2018: Annals of Work Exposures and Health
Steve Geoffrion, Jane Goncalves, André Marchand, Richard Boyer, Alain Marchand, Marc Corbière, Stéphane Guay
Background: Serious violent acts (e.g. physical violence, robbery, sexual aggression and death threats) are among the most visible and notable examples of workplace violence. Although women are commonly found to be at higher risk for post-traumatic reactions following workplace violence, little is known as regards sex differences concerning the types of post-traumatic reactions and their predictors. Objective: This study aimed to describe sex differences in the post-traumatic reactions of serious violent acts and the predictors of such reactions...
March 14, 2018: Annals of Work Exposures and Health
Linda Schenk, Mattias Öberg
Records of injuries and incidents provide an important basis for injury prevention related to hazardous substances at the workplace. The present study aimed to review available data on injuries and incidents involving hazardous substances and investigate how data from the Poisons Information Centre could complement the records of the Swedish Work Environment Authority. We found two major obstacles for using injury/incident data based on employers' mandatory reporting. First, it was not possible to quickly and reliably identify injuries caused by hazardous substances, and second, data identifying substances or products are not systematically included...
February 28, 2018: Annals of Work Exposures and Health
Kevin H Dunn, Adrienne C Eastlake, Michael Story, Eileen D Kuempel
Control banding (CB) has been widely recommended for the selection of exposure controls for engineered nanomaterials (ENMs) in the absence of ENM-specific occupational exposure limits (OELs). Several ENM-specific CB strategies have been developed but have not been systematically evaluated. In this article, we identify the data inputs and compare the guidance provided by eight CB tools, evaluated on six ENMs, and assuming a constant handling/use scenario. The ENMs evaluated include nanoscale silica, titanium dioxide, silver, carbon nanotubes, graphene, and cellulose...
February 23, 2018: Annals of Work Exposures and Health
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