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Annals of Work Exposures and Health

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https://www.readbyqxmd.com/read/30016417/a-randomized-controlled-trial-of-a-truck-seat-intervention-part-1-assessment-of-whole-body-vibration-exposures
#1
Peter W Johnson, Monica Zigman, Jennifer Ibbotson, Jack T Dennerlein, Jeong Ho Kim
Full-time vehicle and heavy equipment operators often have a high prevalence of musculoskeletal disorders, especially low back pain (LBP). In occupations requiring vehicles or heavy equipment operation, exposure to whole body vibration (WBV) has been consistently associated with LBP. LBP is the most common cause of work-related disability and continues to be the leading cause of morbidity and lost productivity in the US workforce. Using a parallel randomized controlled trial design, over a 12-month period, this study evaluated two different seating interventions designed to reduce WBV exposures...
July 17, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/30016393/a-randomized-controlled-trial-of-a-truck-seat-intervention-part-2-associations-between-whole-body-vibration-exposures-and-health-outcomes
#2
Jeong Ho Kim, Monica Zigman, Jack T Dennerlein, Peter W Johnson
This randomized controlled trial study was conducted to determine whether two different seating interventions would reduce exposure to whole-body vibration (WBV) and improve associated health outcomes. Forty professional truck drivers were randomly assigned to two groups: (i) a control group of 20 drivers who received a new, industry-standard air-suspension seat, and (ii) an intervention group of 20 drivers who received an active-suspension seat. This study collected regional body pain (10-point scale), low back disability [Oswestry Disability Index (ODI)], physical and mental health [the Short Form 12-item Health Survey (SF-12)], and work limitations [Work Limitation Questionnaire (WLQ)] before and 3, 6, and 12 months after the seating intervention...
July 17, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/30016390/examining-risk-of-workplace-violence-in-canada-a-sex-gender-based-analysis
#3
Stephanie Lanthier, Amber Bielecky, Peter M Smith
Objectives: Workplace violence (WPV) is a serious issue, resulting in significant negative health outcomes. Understanding sex/gender differences in risk of WPV has important implications for primary prevention activities. Methods: Utilizing two waves of the Canadian General Social Survey on Victimization (N = 27,643), we examined the likelihood of WPV, and sub-categories of WPV, for women relative to men. Using a sex/gender analytical approach, a series of logistic regression models examined how the associations between being a woman and each of the outcomes changed upon adjustment for work and socio-demographic characteristics...
July 17, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/30016388/retrospective-assessment-of-respirable-quartz-exposure-for-a-silicosis-study-of-the-industrial-sand-industry
#4
Roy J Rando, Pamela M Vacek, Robert E Glenn, Cheol Woong Kwon, John E Parker
Background: In 2016, the OSHA PEL for crystalline silica was reduced, renewing interest in evaluating risk of silicosis from occupational exposures. The industrial sand industry, which deals with high-purity quartz sands, is the setting for a current epidemiologic investigation of silicosis risk and progression. In support of that investigation, respirable quartz (RQ) exposures were retrospectively estimated for 67 workers with silicosis and 167 matched control workers from 21 industrial sand plants, in which some started work as early as 1929...
July 17, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/30016387/respiratory-health-outcomes-rhinitis-and-eczema-in-workers-from-grain-storage-facilities-in-costa-rica
#5
María G Rodríguez-Zamora, Jan-Paul Zock, Berna van Wendel de Joode, Ana M Mora
Objectives: To examine the associations of inhalable grain dust exposure with respiratory health outcomes, rhinitis, and eczema reported by workers from rice, wheat, and maize storage facilities. Methods: A cross-sectional study of 136 workers (73 operators and 63 administrative staff and other workers) from eight Costa Rican grain storage facilities was conducted in 2014-2015. Full-shift personal inhalable dust samples from all workers were collected. Study participants were administered a short version of the European Community Respiratory Health Survey questionnaire to identify symptoms of asthma, chronic bronchitis, rhinitis, and eczema...
July 17, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/30010761/biomonitoring-of-benzene-and-effect-of-wearing-respirators-during-an-oil-spill-field-trial-at-sea
#6
Ingrid Gjesteland, Bjørg Eli Hollund, Jorunn Kirkeleit, Per Daling, Magne Bråtveit
Objectives: The main aim of this study was to assess the biological uptake of benzene and polycyclic aromatic hydrocarbons (PAHs) for subjects exposed to fresh crude oil released at sea. Methods : The study included 22 subjects participating in an 'oil-on-water' field trial in the North Sea. Over 2 consecutive days, there were six releases with two different types of fresh crude oils. Exposed subjects (n = 17) were either located in small, open-air boats downwind and close to the released oil (<50 m) or on the main deck of two large vessels further from the released oil (100-200 m)...
July 13, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29982271/predictors-for-increased-and-reduced-rat-and-mouse-allergen-exposure-in-laboratory-animal-facilities
#7
Anne Straumfors, Wijnand Eduard, Knut Andresen, Ann Kristin Sjaastad
Introduction: Exposure to rat and mouse allergens during work in laboratory animal facilities represents a risk for being sensitized and developing allergic diseases, and it is important to keep the exposure level as low as possible. The objective of this study was to characterize the personal Mus m 1 and Rat n 1 exposure during work in laboratory animal facilities, and to investigate the effect of identified predictors of increased and reduced exposure. Methods: Mus m 1 and Rat n 1 were analysed in whole day or task-based personal air samples by enhanced sensitivity sandwich enzyme-linked immunosorbent assay...
July 4, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29982270/a-systematic-review-of-full-shift-noise-exposure-levels-among-construction-workers-are-we-improving
#8
Kate Lewkowski, Ian W Li, Lin Fritschi, Warwick Williams, Jane S Heyworth
Context: Construction industry workers are at high risk of occupational noise exposure. Although regulations and guidelines for this industry specify the use of noise controls, workers continue to be exposed to hazardous noise levels. Objectives: The objectives of this study were (i) to collate and describe full-shift noise exposure experienced by construction workers; (ii) to review trends in full-shift exposure over time and between countries; and (iii) to identify any occupational categories within the construction industries that have higher levels of exposure...
July 3, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29947734/a-sensitive-assay-for-proteases-in-bioaerosol-samples-characterization-and-quantification-of-airborne-proteases-in-salmon-industry-work-environments
#9
Berit Elisabeth Bang, Nabin Malla, Sampada Satchidanand Bhagwat, Lisbeth Aasmoe, Jan-Olof Winberg
Proteases are probably underestimated exposure agents in bioaerosols. Their roles as barrier disrupters in allergic sensitization and activators of innate inflammation call for more attention in exposure-response studies. The main objectives of this study was (i) to establish a suitable method for detection of small quantities of proteases in filtered air samples and (ii) to utilize the method to characterize exposure to proteases in a salmon industry work environment. Analysis of proteases in filtered air samples was based on zymography, using sodium dodecyl sulfate-polyacrylamide gel electrophoresis with 0...
June 27, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29945157/exposure-to-upper-arm-elevation-during-work-compared-to-leisure-among-12-different-occupations-measured-with-triaxial-accelerometers
#10
Peter Palm, Nidhi Gupta, Mikael Forsman, Jørgen Skotte, Tobias Nordquist, Andreas Holtermann
Regarding prevention of neck and shoulder pain (NSP), unsupported arm elevation is one factor that should be taken into account when performing work risk assessment. Triaxial accelerometers can be used to measure arm elevation over several days but it is not possible to differentiate between supported and unsupported arm elevation from accelerometers only. Supported arm elevation is more likely to exist during sitting than standing. The aim of the study was to evaluate the use of whole workday measurements of arm elevation with accelerometers to assess potentially harmful work exposure of arm elevation, by comparing arm elevation at work with arm elevation during leisure, in a population with diverse work tasks, and to assess how the exposure parameters were modified when upper arm elevation during sitting time was excluded...
June 26, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29931293/emissions-into-the-air-from-bitumen-and-rubber-bitumen-implications-for-asphalt-workers-exposure
#11
Patrik T Nilsson, Ulf Bergendorf, Håkan Tinnerberg, Erik Nordin, Mats Gustavsson, Bo Strandberg, Maria Albin, Anders Gudmundsson
The risk among asphalt workers of developing adverse health effects may increase due to their occupational exposure. One area of special concern arises when rubber granules are mixed into bitumen to enhance asphalt properties. This research characterizes and compares bitumen and rubber bitumen regarding the emissions of and workers' exposure to particulates, polycyclic aromatic hydrocarbons (PAHs) and benzothiazole. A laboratory and a field study were carried out. In the laboratory, two types of bitumen, one with and one without rubber, were heated up to two temperatures (140°C and 160°C)...
June 21, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29931230/a-systematic-review-of-the-routes-and-forms-of-exposure-to-engineered-nanomaterials
#12
Ioannis Basinas, Araceli Sánchez Jiménez, Karen S Galea, Martie van Tongeren, Fintan Hurley
Background: Establishing the routes of exposure is a fundamental component of the risk assessment process for every dangerous substance. The present study systematically reviews the available literature to assess the relevance of the different routes and forms of exposure that are of concern for the protection of workers during the manufacture, handling, or end-use of engineered nanomaterials (ENMs). Methods: A systematic review of the peer-reviewed literature published between 2000 and 2015 was completed...
June 21, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29931140/exposures-to-volatile-organic-compounds-among-healthcare-workers-modeling-the-effects-of-cleaning-tasks-and-product-use
#13
Feng-Chiao Su, Melissa C Friesen, Aleksandr B Stefaniak, Paul K Henneberger, Ryan F LeBouf, Marcia L Stanton, Xiaoming Liang, Michael Humann, M Abbas Virji
Objectives: Use of cleaning and disinfecting products is associated with work-related asthma among healthcare workers, but the specific levels and factors that affect exposures remain unclear. The objective of this study was to evaluate the determinants of selected volatile organic compound (VOC) exposures in healthcare settings. Methods: Personal and mobile-area air measurements (n = 143) from 100 healthcare workers at four hospitals were used to model the determinants of ethanol, acetone, 2-propanol, d-limonene, α-pinene, and chloroform exposures...
June 21, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29924310/physiological-strain-in-french-vineyard-workers-wearing-protective-equipment-to-conduct-re-entry-tasks-in-humid-conditions
#14
Sonia Grimbuhler, Jean-François Viel
The proper use of personal protective equipment (PPE) plays an important role in reducing exposure to pesticides in vineyard farming activities, including re-entry tasks. However, discomfort from clothing systems may increase the physiological burden on workers. We compared the physiological burdens of vineyard workers wearing three different types of PPE during canopy management in field humid conditions while accounting for occupational, climatic, and geographical environments. The study was conducted in the Bordeaux vineyards of southern France during June 2012...
June 19, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29912331/determinants-of-airborne-solvent-exposure-in-the-collision-repair-industry
#15
Samuel Keer, Phoebe Taptiklis, Bill Glass, Dave McLean, James D McGlothlin, Jeroen Douwes
Objectives: To assess the determinants of airborne solvent exposures in contemporary vehicle collision repair workplaces. Methods: Personal, full-shift airborne solvent exposures (n = 97) were assessed in 85 vehicle collision repair workers from 18 workshops. Peak exposures were assessed using a small number of video exposure monitoring measurements. Results: Solvent exposures were highest in spray painters (geometric mean = 2.7 ppm) followed by panel beaters (0...
June 15, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29912270/development-of-a-coding-and-crosswalk-tool-for-occupations-and-industries
#16
Thomas Rémen, Lesley Richardson, Corinne Pilorget, Gilles Palmer, Jack Siemiatycki, Jérôme Lavoué
Introduction: Job coding into a standard occupation or industry classification is commonly performed in occupational epidemiology and occupational health. Sometimes, it is necessary to code jobs into multiple classifications or to convert job codes from one classification to another. We developed a generic tool, called CAPS-Canada (http://www.caps-canada.ca/), that combines a computer-assisted coding tool covering seven International, Canadian and US occupation and industry classifications and an assistant facilitating crosswalks from one classification to another...
June 15, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29905767/the-multisystem-effects-of-simulated-agricultural-whole-body-vibration-on-acute-sensorimotor-physical-and-cognitive-performance
#17
Marcus Yung, Liana M Tennant, Stephan Milosavljevic, Catherine Trask
Background: Exposure to whole body vibration (WBV) is common in construction, agriculture, mining, and transportation. There is strong epidemiological evidence linking WBV with adverse health outcomes in the long-term, including low back pain. Fortunately, WBV exposure guidelines to prevent long-term musculoskeletal disorders and discomfort exist. In the shorter-term, it has been speculated that occupational levels of WBV may lead to increased risk of vehicle accidents and falls during egress; however, the acute effects of different vibration intensities remain poorly understood and it is uncertain whether established standards protect the worker from injurious short-term effects...
June 14, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29905773/an-evaluation-of-the-relationship-among-urine-air-and-hand-measures-of-exposure-to-bisphenol-a-bpa-in-us-manufacturing-workers
#18
Cynthia J Hines, Annette L Christianson, Matthew V Jackson, Xiaoyun Ye, Jack R Pretty, James E Arnold, Antonia M Calafat
Background: Exposure to bisphenol A (BPA) can be assessed using external and internal exposure measures. We examined the relationship between two measures of external BPA exposure (air and hand-wipe samples) and one of internal exposure (total BPA in urine) for a group of US manufacturing workers. Methods: During 2013-2014, we recruited 78 workers from six US companies that made BPA or made products with BPA. We quantified BPA in seven urine samples, two full-shift air samples and in pre- and end-shift hand-wipe samples collected from workers over 2 consecutive days...
June 13, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29897403/development-of-and-selected-performance-characteristics-of-canjem-a-general-population-job-exposure-matrix-based-on-past-expert-assessments-of-exposure
#19
Jean-François Sauvé, Jack Siemiatycki, France Labrèche, Lesley Richardson, Javier Pintos, Marie-Pierre Sylvestre, Michel Gérin, Denis Bégin, Aude Lacourt, Tracy L Kirkham, Thomas Rémen, Romain Pasquet, Mark S Goldberg, Marie-Claude Rousseau, Marie-Élise Parent, Jérôme Lavoué
Objectives: We developed a job-exposure matrix called CANJEM using data generated in population-based case-control studies of cancer. This article describes some of the decisions in developing CANJEM, and some of its performance characteristics. Methods: CANJEM is built from exposure information from 31673 jobs held by study subjects included in our past case-control studies. For each job, experts had evaluated the intensity, frequency, and likelihood of exposure to a predefined list of agents based on jobs histories and descriptions of tasks and workplaces...
June 12, 2018: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/29897385/carbonaceous-monolithic-multi-channel-denuders-as-vapour-particle-partitioning-tools-for-the-occupational-sampling-of-semi-volatile-organic-compounds
#20
Vesta Kohlmeier, George C Dragan, Jürgen Orasche, Jürgen Schnelle-Kreis, Dietmar Breuer, Ralf Zimmermann
Denuders are gas-particle partitioning tools and can be used in combination with filters and adsorbers for phase-separated collection of hazardous semi-volatile organic compound (SVOC) aerosols. Here, we investigated the suitability of carbonaceous monolithic multi-channel denuders for this approach. Particle transmission efficiency through the denuders was investigated using particles of polystyrene latex (PSL) and droplets of n-hexadecane and diethylene glycol. The time-dependent vapour collection efficiency was analysed for n-hexadecane and diethylene glycol vapours and also compared to calculated predictions...
June 12, 2018: Annals of Work Exposures and Health
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