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American Journal of Industrial Medicine

Richard L Kradin, George Eng, David C Christiani
BACKGROUND: Diffuse peritoneal malignant mesothelioma (DPM) is caused by exposure to asbestos. The medical literature has linked DPM primarily to high levels of asbestos exposure, in particular amosite. Controversy persists as to whether chrysotile is capable of causing DPM, especially when exposures are paraoccupational. METHODS: Sixty-two subjects (51 men, 11 women) with DPM were reviewed in medical-legal consultation with deposition and product identification evidence...
September 22, 2017: American Journal of Industrial Medicine
Baylah Tessier-Sherman, Deron Galusha, Linda F Cantley, Mark R Cullen, Peter M Rabinowitz, Richard L Neitzel
BACKGROUND: Community noise exposure has been shown to increase the risk of hypertension; however, the relationship between occupational noise exposure and hypertension is less clear. METHODS: Using an inception cohort of workers in a specialty metals manufacturing company, we retrospectively assessed occupational noise exposure, hearing acuity, and incident hypertension diagnoses using administrative datasets. Time-weighted average noise exposure levels were assigned to employees based on their job histories...
September 22, 2017: American Journal of Industrial Medicine
Niklas Krause, Onyebuchi A Arah, Jussi Kauhanen
BACKGROUND: This study explores the effects of occupational (OPA) and leisure time physical activity (LTPA) on mortality relative to cardiorespiratory fitness and pre-existing coronary heart disease (CHD). METHODS: Associations between OPA, measured as energy expenditure (kcal/day) and relative aerobic workload (%VO2 max), LTPA, and 22-year mortality among 1891 Finnish men were assessed by Cox regression models stratified by CHD and adjusted for 19 confounders. RESULTS: In fully adjusted models, each 10% of relative aerobic workload increased all-cause mortality by 13% and CHD mortality 28% (P < 0...
September 20, 2017: American Journal of Industrial Medicine
Denis Vinnikov, Sergey Semizhon, Tatsyana Rybina, Ludmila Savich, Vicktor Scherbitsky, Igor Manichev
BACKGROUND: The aim of this study was to measure the association of exposure to dust at workplace with COPD using objective methods of exposure and outcome classification. METHODS: Forced expiratory volume in one second (FEV1 ) to forced vital capacity (FVC) <70%; FVC below LLN, and FEV1 below LLN from the annual screening of Minsk Tractor Plant workers (N = 458) were tested for predictors in an adjusted logistic regression model. RESULTS: In a regression model, adjusted for pack-years of smoking, age, sex, and work duration, work in highly exposed workplaces was associated with FEV1 /FVC<70% (odds ratio (OR) 2...
September 20, 2017: American Journal of Industrial Medicine
Hyun Kim, Sherry Baron, Navneet K Baidwan, Adam Schwartz, Jacqueline Moline
BACKGROUND: Despite the high rates, the consequences of new onset asthma among the World Trade Center (WTC) responders in terms of the change in job status have not been studied. METHODS: This study consists of a cohort of 8132 WTC responders out of the total 25 787 responders who held a full-time job at the baseline visit, and participated in at least one follow-up visit. RESULTS: Overall, 34% of the study cohort changed their job status from full-time at a follow-up visit...
September 14, 2017: American Journal of Industrial Medicine
Morris Greenberg
The asbestos industry originated in the UK in the 1870s. By 1898, asbestos had many applications and was reported to be one of the four leading causes of severe occupational disease. In 1912, the UK government sponsored an experimental study that reported that exposure to asbestos produced no more than a modicum of pulmonary fibrosis in guinea pigs. In the 1930s, the newly established Medical Research Council, with assistance from industry, sponsored a study of the effects of exposing animals to asbestos by injection (intratracheal and subcutaneous) and by inhalation in the factory environment...
September 14, 2017: American Journal of Industrial Medicine
Bénédicte Clin, Isabelle Thaon, Mathilde Boulanger, Patrick Brochard, Soizick Chamming's, Antoine Gislard, Aude Lacourt, Amandine Luc, Guy Ogier, Christophe Paris, Jean-Claude Pairon
BACKGROUND: Our study aimed at analyzing incidence and mortality from esophageal cancer within a cohort of workers with previous occupational asbestos exposure (ARDCo Program). METHODS: A 10-year follow-up study was conducted in the 14 515 male subjects included in this program between October 2003 and December 2005. Follow-up began when exposure stopped. Asbestos exposure was analyzed by industrial hygienists using data from a standardized questionnaire. The Cox model was used, with age as the time axis variable adjusted for smoking, time since first exposure (TSFE) and cumulative exposure index (CEI) of exposure to asbestos...
September 7, 2017: American Journal of Industrial Medicine
Michael Foley
BACKGROUND: Temporary workers face increased risk of injury as compared to permanent workers in similar occupations. This study explores the role played by several potential risk factors. METHODS: Injured temporary and permanent workers, matched by industry, tenure and demographic characteristics, were interviewed to isolate the association of temporary employment with several injury risk factors. RESULTS: Temporary workers had higher workers' compensation claims rates than their permanent worker-peers...
September 4, 2017: American Journal of Industrial Medicine
BongKyoo Choi, SangBaek Ko, Stacey Kojaku
BACKGROUND: Little is known about the associations of resting heart rate (RHR) and heart rate reserve (HRR) with metabolic syndrome (MetS) in firefighters. METHODS: For each of 288 professional firefighters, HRR was calculated as the difference between measured RHR and estimated maximum HR. For comparison, VO2 max based on a treadmill test was included. MetS was defined according to the NCEP/ATP III criteria. RESULTS: The prevalence of MetS was 14...
September 4, 2017: American Journal of Industrial Medicine
Betul Kozanhan, Ikbal Inanlı, Cigdem Damla Deniz, Mehmet Sinan Iyisoy, Salim Neselioğlu, Osman Sahin, Fatma Akin, Mahmut Sami Tutar, Ibrahim Eren, Ozcan Erel
BACKGROUND: The purpose of this study was to investigate the association between dynamic thiol/disulphide homeostasis and occupational exposure to volatile anesthetic gases in operating theater personnel. Decreased blood thiol levels and raised blood disulphide levels serve as biomarkers of oxidative stress. METHODS: We included 65 subjects occupationally exposed and 55 unexposed healthy medical professionals into the study. A novel method enabled separate measurements of components involved in dynamic thiol/disulphide homeostasis (native thiol, disulphide, and total thiol)...
August 30, 2017: American Journal of Industrial Medicine
Anne G Sadler, Brenda M Booth, James C Torner, Michelle A Mengeling
BACKGROUND: To determine whether sexual assault in the military (SAIM) among active component and Reserve/National Guard servicewomen is more likely to occur in deployed or non-deployed locations; and which location poses greater risk for SAIM when time spent in-location is considered. METHODS: A total of 1337 Operation Enduring Freedom/Operation Iraqi Freedom era servicewomen completed telephone interviews eliciting socio-demographics, military and sexual assault histories, including attempted and completed sexual assault...
August 30, 2017: American Journal of Industrial Medicine
Rohan Jadhav, Chandran Achutan, Gleb Haynatzki, Shireen Rajaram, Risto Rautiainen
BACKGROUND: This study focused on risk factors for serious injuries in farm and ranch operators in the central United States. METHODS: The Central States Center for Agricultural Safety and Health, in collaboration with the National Agricultural Statistics Service, sent mail surveys to 6953, 6912, and 6912 farms/ranches in 2011-2013, respectively, covering seven Midwestern states. RESULTS: The average survey response rate was 35%. The average annual incidence rate (injuries/100 workers) was 6...
August 28, 2017: American Journal of Industrial Medicine
Jenny H-C Tsai, Elaine A Thompson
BACKGROUND: Community-based collaborative approaches have received increased attention as a means for addressing occupational health disparities. Organizational capacity, highly relevant to engaging and sustaining community partnerships, however, is rarely considered in occupational health research. METHODS: To characterize community organizational capacity specifically relevant to Chinese immigrant worker health, we used a cross-sectional, descriptive design with 36 agencies from six community sectors in King County, Washington...
August 28, 2017: American Journal of Industrial Medicine
Ariel R Choi, Joseph M Braun, George D Papandonatos, Paul B Greenberg
BACKGROUND: Styrene is a chemical used in the manufacture of plastic-based products worldwide. We systematically reviewed eligible studies of occupational styrene-induced dyschromatopsia, qualitatively synthesizing their findings and estimating the exposure effect through meta-analysis. METHODS: PubMed, EMBASE, and Web of Science databases were queried for eligible studies. Using a random effects model, we compared measures of dyschromatopsia between exposed and non-exposed workers to calculate the standardized mean difference (Hedges'g)...
August 24, 2017: American Journal of Industrial Medicine
Devin L Lucas, Samantha L Case
BACKGROUND: Commercial fishing is a global industry that has been frequently classified as high-risk. The use of detailed surveillance data is critical in identifying hazards. METHODS: The purpose of this study was to provide updated statistics for the entire US fishing industry during 2010-2014, generate fleet-specific fatality rates using a revised calculation of full-time equivalent estimates, and examine changes in the patterns of fatalities and in risk over a 15-year period (2000-2014)...
August 23, 2017: American Journal of Industrial Medicine
Johan G Timmerman, Dick Heederik, Ton Spee, Frits G van Rooy, Esmeralda J M Krop, Thomas Rustemeyer, Lidwien A M Smit
BACKGROUND: A high contact dermatitis symptoms prevalence has been observed in Dutch construction workers. METHODS: Contact dermatitis was diagnosed by an expert panel using questionnaire data and photographs of 751 subjects' hands. A subset was evaluated by two occupational physicians. Their diagnoses were compared to those of the expert panel. In addition, two self-reported questionnaire-based assessment methods were compared to the expert panel evaluation. Associations between contact dermatitis and determinants were assessed using log-binomial regression analysis...
August 18, 2017: American Journal of Industrial Medicine
Marnie Dobson, BongKyoo Choi, Peter L Schnall
BACKGROUND: Urban transit operators have high rates of obesity, hypertension, and other cardiovascular risk-factors compared to other occupations. There have been few qualitative studies exploring the interrelationships between the organization of transit work, stress, and health including obesity, from the perspective of operators. METHODS: Five focus groups were conducted at five Divisions in a transit authority in Southern California and included 65 bus and rail operators...
August 18, 2017: American Journal of Industrial Medicine
Elise Lagerstrom, Sheryl Magzamen, John Rosecrance
BACKGROUND: Despite advances in mechanization, logging continues to be one of the most dangerous occupations in the United States. Logging in the Intermountain West region (Montana and Idaho) is especially hazardous due to steep terrain, extreme weather, and remote work locations. METHODS: We implemented a mixed-methods approach combining analyses of workers' compensation claims and focus groups to identify factors associated with injuries and fatalities in the logging industry...
August 18, 2017: American Journal of Industrial Medicine
Enrico Oddone, Daniela Ferrante, Sara Tunesi, Corrado Magnani
BACKGROUND: The aim of this study was to describe the mortality of a cohort of asbestos-cement workers in the largest plant in the most industrialized Italian region (Lombardy). METHODS: A cohort study was carried out on 1818 subjects, corresponding to 47 536.1 person-years of observation. Standardized mortality ratios (SMRs) were computed for the major causes of death. RESULTS: Increased SMRs were observed for pleural, peritoneal and lung cancers, and for asbestosis (SMR 26...
August 18, 2017: American Journal of Industrial Medicine
Melinda A Hasbrouck, Anthony C Waddimba
BACKGROUND: Escalating demands on practitioners, stagnating/dwindling resources, and diminishing autonomy have heightened patient-care work-related stress. Using qualitative content/thematic analysis of responses to open-ended survey questions, plus spontaneous comments, we sought to identify rural clinicians' subjective perceptions of their workplace stressors and typical adaptive/coping strategies. METHODS: Within a hybrid inductive-deductive approach, we framed empirical themes (derived by consensus, corroborated with text segments, and extant literature) into theory-based coding templates by which we analyzed the data...
August 18, 2017: American Journal of Industrial Medicine
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