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American Journal of Industrial Medicine

Rodney Ehrlich, Jill Murray, David Rees
The purpose of this commentary is to bring the neglected phenomenon of subradiological silicosis and its implications to the attention of readers. We define subradiological silicosis as silicosis detectable on pathological examination of lung tissue but not visible radiologically. For extent of the phenomenon, we draw on a study using a large South African autopsy database of deceased miners and chest radiographs taken in life. At an International Labour Organization threshold of >1/0 only 43% of all pathologically detected cases were detected on chest radiograph, and only 62% of those classified on pathology as "moderate or marked" silicosis...
September 21, 2018: American Journal of Industrial Medicine
David Knight, Andreas L Lopata, Natalie Nieuwenhuizen, Mohamed F Jeebhay
BACKGROUND: Cellulose is an insoluble plant polysaccharide produced from soft-wood pulp. Although chronic respiratory effects associated with high cellulose-based dust levels have been previously described, occupational asthma has not. A 37 year old machine operator in a sanitary pad production factory presented with new-onset work-related asthma symptoms for two years. METHODS: The worker underwent clinical, pulmonological and immunological (skin prick tests, serum specific IgE determinations) evaluation using standardised procedures...
September 19, 2018: American Journal of Industrial Medicine
Girija Syamlal, Brian A King, Jacek M Mazurek
BACKGROUND: Although cigarette smoking has declined among U.S. workers, smoking remains high among construction workers. This study assessed tobacco product use among U.S. construction workers. METHODS: The 2014-2016 National Health Interview Survey data for U.S. working adults were analyzed. RESULTS: Of the 10.2 (6.3% of working adults) million construction workers, 35.1% used any tobacco product; 24.4% were cigarette smokers, 8.3% were cigar, cigarillo, pipe or hookah smokers, 7...
September 19, 2018: American Journal of Industrial Medicine
Diana Romero, Kathleen Flandrick, Jason Kordosky, Pamela Vossenas
OBJECTIVES: To understand the health- and safety-related experiences of specific occupations among non-union casino hotel employees to identify processes leading to worker health and safety risks. METHODS: Using purposive, criterion sampling, 61 workers participated in 13 recorded focus groups (FGs). A semi-structured topic guide addressed work-related health and safety impacts, workplace hazards, and management responses, among others. FG transcripts were analyzed following grounded theory methodology...
September 17, 2018: American Journal of Industrial Medicine
Harvey Checkoway, Sindana Ilango, Wenjin Li, Roberta M Ray, Caroline M Tanner, Shu-Ching Hu, Xin Wang, Susan Nielsen, Dao L Gao, David B Thomas
BACKGROUND: Endotoxin, a contaminant of cotton dust, is an experimental model for parkinsonism (PS). METHODS: We investigated associations between exposures to endotoxin, solvents, magnetic fields, and night shift work, and neurologist-determined PS among Shanghai women textile workers, including 537 retired cotton factory workers ages ≥50 years and an age-matched reference group of 286 retired textile workers not exposed to cotton dust. Repeat exams were conducted 2...
September 9, 2018: American Journal of Industrial Medicine
Laura Schilling, Sven Schneider, Tatiana Görig, Maria Spengler, Rüdiger Greinert, Eckhard W Breitbart, Katharina Diehl
BACKGROUND: Previous studies show that workplace support for sun-protective behaviors plays an important role in the actual sun-protective behavior of outdoor workers. Therefore, our aim was to examine perceived workplace support (organizational and social support) in relation to different sun-protective behaviors. METHODS: A Germany-wide sample of outdoor workers (n = 485) was surveyed via telephone. We analyzed associations of workplace support with sun-protective behaviors, sociodemographic, and occupational characteristics, occupational sun exposure, and concerns about sun...
September 2, 2018: American Journal of Industrial Medicine
Kyung Sun Park, Jee Hyun Kwon, Sang Hyuk Park, Won Ha, Jiho Lee, Hyun Chan An, Yangho Kim
We report a Korean worker who experienced dermal exposure to a hot copper sulfate solution at his workplace and developed severe acute copper sulfate poisoning. A 53-year-old male worker, who was employed in a lead smelter for 5 years, slipped, and his right lower leg entered a copper sulfate solution, leading to severe burns of the right lower leg. Two days later, he developed severe intravascular hemolysis with methemoglobinemia. He also suffered from acute kidney injury, had an asymptomatic cerebral ischemic stroke, and melena due to multiple shallow gastric ulcers...
July 27, 2018: American Journal of Industrial Medicine
Kyungsu Kim, Jeremy Beach, Ambikaipakan Senthilselvan, Niko Yiannakoulias, Larry Svenson, Hyocher Kim, Donald C Voaklander
BACKGROUND: Understanding of the specific risk of agricultural injury sustained by different populations of children and adolescents is needed for effective safety intervention. OBJECTIVE: To compare the rates and patterns of agricultural injury incidence (fatal and non-fatal injury) between farm and non-farm children less than 18 years of age in Alberta, Canada. METHODS: A total of 115 378 children (five subgroups: two groups of farm children and three groups of non-farm children) in Alberta were followed from 1999 to 2010 to examine injury incidence using the linkage of three administrative health databases...
July 12, 2018: American Journal of Industrial Medicine
Sithembile L Mabila, Kirsten S Almberg, Lee Friedman, Robert Cohen
BACKGROUND: The association between mining occupation categories and obstructive lung disease (OLD) has not been well explored in the United States. METHODS: National Health Interview Survey (NHIS) data from 2006 to 2015 was used to determine the relationship between mining occupations and diagnosis of chronic bronchitis, emphysema, chronic obstructive pulmonary disease (COPD), and asthma. We classified occupations into low, moderate, high, and very high dust exposure groups...
July 12, 2018: American Journal of Industrial Medicine
Nagyeong Lee, Ji-Hwan Kim, Ja Young Kim, Seung-Sup Kim
BACKGROUND: Workplace discrimination is associated with poor mental health. However, there is a lack of studies examining the effects of discrimination on depressive symptoms among firefighters. METHODS: We analyzed a national cross-sectional survey of 6369 firefighters in South Korea. Workplace discrimination during the past year was measured and main reasons for the discriminatory experience (gender, birth region, age, education, field/office work, job division) were identified separately by gender and job division...
July 12, 2018: American Journal of Industrial Medicine
Matthew P Stripp, Anna R Dulaney, Michael C Beuhler, Ricky L Langley
This case report highlights the challenges associated with the diagnosis and workplace evaluation of occupationally acquired ultraviolet (UV) radiation-induced photokeratitis and associated skin burns in a group of restaurant workers. UV-C spectrum bulbs were inadvertently shipped and installed in insect light traps. Ocular and dermal symptoms were reported in 18 of 85 restaurant employees to varying degrees of severity over a 2-day period. One patient was formally diagnosed with a chemical burn/irritation of the cornea...
July 11, 2018: American Journal of Industrial Medicine
Jacques Wels
OBJECTIVE: To assess whether unionization prevents deterioration in self-reported health and depressive symptoms in late career transitions. METHODS: Data come from the Health and Retirement Study (N = 6475). The change in self-perceived health (SPH) and depressive symptoms (CESD) between wave 11 and wave 12 is explained using an interaction effect between change in professional status from wave 10 to wave 11 and unionization in wave 10. RESULTS: The odds of being affected by a negative change in CESD when unionized are lower for unionized workers remaining in full-time job (OR:0...
June 28, 2018: American Journal of Industrial Medicine
Sonia El-Zaemey, Renee N Carey, Ellie Darcey, Alison Reid, Deborah C Glass, Tim R Driscoll, Julie Crewe, Michael J Abramson, Si Si, Geza Benke, Lin Fritschi
BACKGROUND: Limited information is available on exposure to high molecular weight (HMW) asthmagens derived from plants and on the main occupations and tasks that result in such exposure among workers. METHODS: Data were collected as part of the Australian Work Exposures Study-Asthma. We estimated adjusted prevalence ratios (aPR) using modified Poisson regression models to determine which factors were associated with exposure. RESULTS: A 12...
October 2018: American Journal of Industrial Medicine
Yasmin S Cypel, Stella E Hines, Victoria J Davey, Stephanie M Eber, Aaron I Schneiderman
BACKGROUND: Research on chronic obstructive pulmonary disease (COPD) and herbicide exposure in Vietnam War veterans is limited. METHODS: Survey data were collected from 3193 US Army Chemical Corps veterans on herbicide exposure and self-reported physician-diagnosed COPD. Three spirometric patterns were used to define airflow obstruction (AFO): (i) FEV1 /FVC < 70% ("fixed ratio"); (ii) FEV1 /FVC < lower limit of normal ("LLN"); and (iii) (FEV1 /FVC < LLN and FVC ≥ LLN and FEV1 <LLN) or (FEV1 /FVC<LLN and FEV1  ≥ LLN) ("specific obstruction")...
October 2018: American Journal of Industrial Medicine
Judith E Gold, Alicia Kurowski, Rebecca J Gore, Laura Punnett
PURPOSE: Approximately 25-30% of nursing personnel experience knee pain (KP). We sought to identify physical and psychosocial work exposures, and personal factors related to prevalent, incident, and persistent KP 5-8 years after safe resident handing program (SRHP) implementation in nursing homes. METHODS: Health and exposure information was obtained from worker surveys 5-6 years ("F5") and 7-8 years ("F6") post-SRHP implementation. Prevalent KP correlates were examined at F5; persistent and incident KP predictors were analyzed at F6, utilizing robust Poisson multivariable regression...
October 2018: American Journal of Industrial Medicine
Clayton Sinyai, Brenda MacArthur, Thomas Roccotagliata
INTRODUCTION: Printed materials for training and hazard communication are an essential part of occupational safety and health programs, but must be understood by their intended audience. METHODS: Researchers collected 103 safety training handouts, brochures, and Safety Data Sheets and scored them for readability and suitability using four standard health communication instruments: the SMOG test, the Flesch-Kincaid Reading Ease Assessment, the SAM (Suitability Assessment of Materials), and CCI (the CDC Clear Communication Index)...
October 2018: American Journal of Industrial Medicine
Matthieu Carton, Gwenn Menvielle, Diane Cyr, Marie Sanchez, Corinne Pilorget, Anne-Valérie Guizard, Isabelle Stücker, Danièle Luce
BACKGROUND: To investigate the association between head and neck squamous cell cancer (HNSCC) risk and occupational exposure to flour dust in women and men, using data from ICARE, a French population-based case-control study. METHODS: The analysis included 2053 cases of HNSCC and 3507 controls. Lifelong occupational history was collected. A job-exposure matrix was used to assess exposure to flour dust. Odds-ratios (ORs) and 95% confidence intervals (CI), adjusted for smoking, alcohol drinking, and asbestos exposure, were estimated with logistic regression models...
October 2018: American Journal of Industrial Medicine
Bethany A Weiler, Thomas V Colby, Timothy J Floreth, Stella E Hines
Constrictive Bronchiolitis (CB) has been reported in US Operation Iraqi Freedom/Enduring Freedom (OIF/OEF) deployers but not in those from prior US conflicts. A 62-year old presented with progressive dyspnea 13 years after deployment to the Persian Gulf in 1991-1992, where he was exposed to burning oil well fire emissions, dust storms, and other potential airborne hazards. In 2014, after a chest computed tomography (CT) scan demonstrated diffuse mosaic attenuation, he underwent surgical lung biopsy, which revealed CB...
October 2018: American Journal of Industrial Medicine
Thu Quach, Julie Von Behren, David O Nelson, Tuan N Nguyen, Janice Tsoh, Minhthu Le, Lisa Fu, Stella Beckman, Peggy Reynolds
BACKGROUND: Chemicals in nail products have been linked to numerous health concerns. METHODS: We recruited Vietnamese-American nail salon owners and workers in California and randomized salons into an intervention or control group. Owners in the intervention group received training and then provided education to workers in their salons on best practices to reduce workplace chemical exposures. Methyl methacrylate (MMA), toluene, and total volatile organic compounds (TVOCs) were measured using personal air monitors worn by workers during the work-shift...
October 2018: American Journal of Industrial Medicine
Jian Li, Johannes Siegrist
BACKGROUND: Research evidence suggests harmful effects of overtime work on risk of heart disease. However, whether withdrawing compensation for overtime work (time-off or money) provides a relevant explanation of this association has not been explored. METHODS: Using cohort data, we included 6345 employees from Germany (3079 men and 3266 women), and applied Poisson regression analysis to examine the prospective association of overtime work without compensation with risk of self-reported incident heart disease over 2 years...
October 2018: American Journal of Industrial Medicine
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