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Showing 541 - 560 of 83631 results
  • Mixture Analysis of Associations Between Environmental and Workplace Toxins and Liver Damage and Telomere Length Stratified by RaceEthnicity
    Mixture Analysis of Associations Between Environmental and Workplace Toxins and Liver Damage and Telomere Length, Stratified by Race/Ethnicity
    Ma, Ning ;
    Yip, Rowena
    2025/09/01 | J Environ Sci 2025 Sep; 155:316-328 | National Institute for Occupational Safety and Health (NIOSH)
    This study aimed to identify the worst "bad actors" in mixtures of pollutants contributing to liver damage and shorter telomeres in the U.S. population, using weighted quantile sum (WQS) modeling with stratification by race/ethnicity. We conducted a comprehensive cross-sectional analysis of mixtures of pollutants in National Health and Nutrition Ex ...
    Peer Reviewed
  • Heavy Metals Are Liver Fibrosis Risk Factors in People Without Traditional Liver Disease Etiologies
    Heavy Metals Are Liver Fibrosis Risk Factors in People Without Traditional Liver Disease Etiologies
    Ma, Ning ;
    Bansal, Meena B.
    2025/09/01 | J Environ Sci 2025 Sep; 155:329-341 | National Institute for Occupational Safety and Health (NIOSH)
    Liver fibrosis is an important predictor of mortality. Liver disease case definitions changed in 2023. These definitions include an easily over-looked group with no traditional etiology (NTE) of liver disease and no steatosis. We analyzed heavy metals and cardiometabolic risk factors (CMRFs) as fibrosis risk factors in the NTE group and in people w ...
    Peer Reviewed
  • Influence of Expertise and Demographics on Perceived Ergonomic Risks in Physical Tasks
    Influence of Expertise and Demographics on Perceived Ergonomic Risks in Physical Tasks
    Iyer, Hari ;
    Jeong, Heejin
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):661-667 | National Institute for Occupational Safety and Health (NIOSH)
    This study examines how professional experience, and the use of personal protective equipment (PPE) influence perceived ergonomic convenience, risk, proficiency, and safety across three physical task domains: assembly, culinary, and ladder-related activities. Participants (N = 142), comprising both professionals and laypersons, completed an assembl ...
    Peer Reviewed
  • Evaluating the Impact of Personal Protective Equipment on Ladder Task Accuracy and Perceived Ergonomics
    Evaluating the Impact of Personal Protective Equipment on Ladder Task Accuracy and Perceived Ergonomics
    Iyer, Hari ;
    Jeong, Heejin
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):2038-2040 | National Institute for Occupational Safety and Health (NIOSH)
    This study examines how personal protective equipment (PPE) influences measurement accuracy and perceived ergonomics in ladder-based tasks. Twenty-four participants performed tasks under four PPE configurations using anti-slip gloves and sole grips while assessing ceiling-mounted shapes from a ladder. Measurement accuracy was evaluated against pred ...
    Peer Reviewed
  • Comparing the Effects of User Preference and Experience When Using Passive Low Back Exoskeletons on Physical and Cognitive Load While Performing Simulated Manufacturing Tasks
    Comparing the Effects of User Preference and Experience When Using Passive Low Back Exoskeletons on Physical and Cognitive Load While Performing Simulated Manufacturing Tasks
    Outlaw, Lucie ;
    Acosta-Sojo, Yadrianna
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):1789-1793 | National Institute for Occupational Safety and Health (NIOSH)
    Low-back passive exoskeletons have been introduced in manufacturing settings as personal protective equipment (PPE) with the intent to prevent back injuries. However, the effects of user preference and experience on physical and cognitive demands are still unclear. This study aimed to (1) evaluate users' physical and cognitive responses to differen ...
    Peer Reviewed
  • Deriving HumanCentered Engineering Design Requirements for Exploration Extravehicular Activity Work Aids Through NarrativeRich Use Case Scenarios
    Deriving Human-Centered Engineering Design Requirements for Exploration Extravehicular Activity Work Aids Through Narrative-Rich Use Case Scenarios
    Swilley, Jakob ;
    Striling, Leia
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):94-99 | National Institute for Occupational Safety and Health (NIOSH)
    Upcoming exploration extravehicular activity (EVA) will require crew to perform field geology to accomplish mission science goals. To support crew during science operations, technological work aids are being developed. However, deploying novel technologies inherently changes the characteristics of a work domain, which may introduce undesired work d ...
    Peer Reviewed
  • The Effects of Passive and Active Back Support Exoskeletons on Endurance Perceived Exertion and Back Discomfort During FatigueInduced Repetitive Lifting
    The Effects of Passive and Active Back Support Exoskeletons on Endurance, Perceived Exertion, and Back Discomfort During Fatigue-Induced Repetitive Lifting
    Kazemi, Zeinab ;
    Shayan, Amir Mehdi
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):588-590 | National Institute for Occupational Safety and Health (NIOSH)
    Back-support exoskeletons (BSEs) show promise for mitigating physical strain in industrial settings, yet their effectiveness during fatigue-inducing tasks remains underexplored. This study evaluated the effects of powered and unpowered BSEs on endurance, perceived exertion, and back discomfort during repetitive lifting. Sixteen participants lifted ...
    Peer Reviewed
  • A Quantitative Assessment of Job Rotation for the Upper Extremity
    A Quantitative Assessment of Job Rotation for the Upper Extremity
    Davis, Kermit G. ;
    Rungere, Dickson J.
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):609-610 | National Institute for Occupational Safety and Health (NIOSH)
    Job rotation has been commonly implemented as an administrative control for ergonomic stress in many manufacturing companies. Yet, limited research has investigated the effectiveness of balancing the ergonomic risk and potential musculoskeletal disorders. This study aimed to determine whether upper extremity risk estimates were related to wrist and ...
    Peer Reviewed
  • Evaluating the Efficacy of LowCost Patient Handling Interventions for Home Healthcare
    Evaluating the Efficacy of Low-Cost Patient Handling Interventions for Home Healthcare
    Baluyut, Paula ;
    Sommerich, Carolyn M.
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):1441-1445 | National Institute for Occupational Safety and Health (NIOSH)
    The need for home healthcare workers is growing. To retain current workers and attract new ones, quality of worklife must improve for these essential workers, including reducing exposure to risk factors for work-related musculoskeletal injuries. Providing home care often involves physically strenuous patient-handling activities. While assistive equ ...
    Peer Reviewed
  • Whole Body Biomechanics When Egressing and Ingressing from a Bed
    Whole Body Biomechanics When Egressing and Ingressing from a Bed
    Rungere, Dickson J. ;
    Dondi, Amour C.
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):1808-1810 | National Institute for Occupational Safety and Health (NIOSH)
    Falls when egressing and ingressing a hospital bed are common occurrences. The height of the bed may be one of the critical factors related to these falls, as it may result in non-optimal postures of the body, especially the lower extremities. The study evaluated individuals egressing and ingressing a bed using a motion capture system. Low bed heig ...
    Peer Reviewed
  • Firefighter Stressors A Systematic Review on Individual Occupational and Environmental Stressors
    Firefighter Stressors: A Systematic Review on Individual, Occupational, and Environmental Stressors
    Choudhury, Nurul Ahad ;
    Bush, Kaden
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):1608-1615 | National Institute for Occupational Safety and Health (NIOSH)
    This systematic review identified stressors faced by firefighters from the existing literature and categorized them into individual, occupational, and environmental stressors. Synthesis of the articles revealed 87 different stressors, which were qualitatively coded into 6 individual stressors, 12 occupational stressors, and 10 environmental stresso ...
    Peer Reviewed
  • Evaluation of the Frequency and Risk of Ergonomic Stressors Experienced by Home Care Aides in Puerto Rico
    Evaluation of the Frequency and Risk of Ergonomic Stressors Experienced by Home Care Aides in Puerto Rico
    Dondi, Amour C. ;
    Bellacov, Ryan
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):1805-1807 | National Institute for Occupational Safety and Health (NIOSH)
    Home healthcare is one of the fastest-growing industries, expected to increase for decades. Healthcare workers experience a range of work-related musculoskeletal disorders during work tasks. The objective of this study was to observe and quantify the ergonomic hazards experienced by home healthcare workers in Puerto Rico. Eighteen study participant ...
    Peer Reviewed
  • Applying Engineering Anthropometry to Mitigate Eye Strain in Virtual Environments
    Applying Engineering Anthropometry to Mitigate Eye Strain in Virtual Environments
    Sanders, Nathan E. ;
    Chen, Karen B.
    2025/09/01 | Proceedings of the Human Factors and Ergonomics Society 69th Annual Meeting, October 13-17, 2025, Chicago, Illinois. Santa Monica, CA: Human Factors and Ergonomics Society, 2025 Sep; 69(1):1068-1073 | National Institute for Occupational Safety and Health (NIOSH)
    This study applies engineering anthropometry and Monte Carlo simulations to define ergonomic guidelines for minimizing vergence-accommodation conflict in virtual environments. Interpupillary distance (IPD) data from three anthropometric datasets (ANSUR I, ANSUR II, CAESAR) were bootstrapped to determine conservative viewing-distance limits accommod ...
    Peer Reviewed
  • A Granular HydrogelEnabled Wearable Electrochemical Biosensing Platform for Continuous NonInvasive Sweat Lactate Detection
    A Granular Hydrogel-Enabled Wearable Electrochemical Biosensing Platform for Continuous Non-Invasive Sweat Lactate Detection
    Lorestani, Famaz ;
    Zhang, Xianzhe
    2025/08/28 | Small 2025 Aug; 21(34):2502655 | National Institute for Occupational Safety and Health (NIOSH)
    Although continuous and non-invasive measurements of sweat biomarkers may provide vital health information, sweat collection often involves intense physical activities or chemical/thermal stimuli. The natural body sweat during endogenous metabolic or stress processes, secreted at much lower rates at rest, may be continuously analyzed using microflu ...
    Peer Reviewed
  • Quantitative Headform Fit Evaluation and Predictive Modeling to Assist with Selecting N95 Filtering Facepiece Respirators to Mitigate Respiratory Hazards
    Quantitative Headform Fit Evaluation and Predictive Modeling to Assist with Selecting N95 Filtering Facepiece Respirators to Mitigate Respiratory Hazards
    Vollmer, Brooke ;
    Bergman, Michael S.
    2025/08/27 | National Institute for Occupational Safety and Health (NIOSH)
    Ensuring that respiratory protection is effective for all can be difficult if limited resources are available to assist with selecting a well-fitting respirator model and user guidance. To better understand how various N95® filtering facepiece respirator models fit on a variety of face sizes, a quantitative fit evaluation was performed on 12 differ ...
    Public Domain Peer Reviewed
  • Use of Undergloves to Assess Pathways Leading to Contamination on Firefighters Hands
    Use of Undergloves to Assess Pathways Leading to Contamination on Firefighters' Hands
    Wilkinson, Andrea F. ;
    Kander, M. Christina
    2025/08/25 | J Occup Environ Hyg 2025 Aug; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)
    Firefighters (FFs) are occupationally exposed to many carcinogens, including polycyclic aromatic hydrocarbons (PAHs). Previous studies have evaluated PAH contamination on FFs' personal protective equipment (PPE), including fire gloves; however, there is a need to better understand PAH contamination that may break through fire gloves during active f ...
    Public Domain Peer Reviewed
  • Compatibility of Engineered Stone Materials with a Tetrahydrofuran Processing for Crystalline Silica Analysis by XRD
    Compatibility of Engineered Stone Materials with a Tetrahydrofuran Processing for Crystalline Silica Analysis by XRD
    Wang, Chen ;
    Rishi, Kabir
    2025/08/23 | National Institute for Occupational Safety and Health (NIOSH)
    This study investigated the compatibility of Tetrahydrofuran (THF) dissolution, following the procedures outlined in NIOSH Method 7500 and the similar OSHA ID-142 method, as a sample preparation technique for respirable crystalline silica (RCS) analysis in engineered stone materials compared to the muffle furnace (MF) ashing method. Our results rev ...
    Public Domain Peer Reviewed
  • Using the RMC2 Heuristic to Assess WholeofSchool Physical Activity Implementation in Elementary Schools A CrossSectional Study
    Using the R=MC2 Heuristic to Assess Whole-of-School Physical Activity Implementation in Elementary Schools: A Cross-Sectional Study
    Craig, Derek W. ;
    Lanza, Kevin
    2025/08/23 | National Institute for Occupational Safety and Health (NIOSH)
    Background: Schools are recommended to use a whole-of-school (WOS) approach to promote physical activity opportunities before, during, and after school. Yet, the barriers and facilitators to implementing a WOS approach successfully are not well understood. The R = MC2 heuristic, which defines readiness for implementation as a combination of an orga ...
    Peer Reviewed
  • A Scoping Review on Emerging Technologies and Automation of Musculoskeletal Ergonomic Assessments
    A Scoping Review on Emerging Technologies and Automation of Musculoskeletal Ergonomic Assessments
    Iyer, Hari ;
    Kim, Eunsik
    2025/08/22 | Ergonomics 2025 Aug; :Epub ahead of print | National Institute for Occupational Safety and Health (NIOSH)
    Ergonomic suitability is critical in tasks involving musculoskeletal movement. Many industries have examined best practices and assessed workers' ergonomic conditions during physical tasks. Prolonged awkward postures are a known cause of discomfort and restricted mobility in areas such as the arms, spine, and neck. Technologies like computer vision ...
    Peer Reviewed
  • ExposureInducible Genes May Contribute to Missingness in RNAseqBased Gene Expression Analyses
    Exposure-Inducible Genes May Contribute to Missingness in RNAseq-Based Gene Expression Analyses
    Gorlova, Olga Y. ;
    Gorlov, Ivan P.
    2025/08/22 | Sci Rep 2025 Aug; 15:30889 | National Institute for Occupational Safety and Health (NIOSH)
    Missing gene expression values are a common issue in RNAseq-based analyses of gene expression. However, an analysis of genetic and environmental factors contributing to data missingness in RNAseq-based assessment of gene expression has never been conducted. In this study we tried to identify factors in RNAseq data missingness. We used RNAseq data f ...
    Peer Reviewed
541 - 560 / 83631
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