Working Conditions Research Articles

A Theory-Guided Qualitative Exploration of Occupational Influences on Firefighters' Dietary Behaviors.

Firefighters face many inherent occupational health hazards and increased risk for several cancers, making peak health essential. However, cardiac events and stroke continue as leading causes of on-duty deaths. Healthy diets promote prevention of cardiovascular disease and cancers. While some dietary interventions have been undertaken, sustained improvements have not been observed. Understanding firefighters' occupational influences on dietary behavior is vital for implementation of effective interventions to improve nutrition. The Theoretical Domains Framework (TDF) guided this qualitative study. Nine focus groups of firefighters who work 24-hour shifts and one interview with a fire administrator (N = 34) were conducted in 2018 across South Carolina, United States. Predominant TDF domains of influence for workplace dietary behaviors included social/professional role and identity; social influences; environmental context and resources; knowledge; beliefs about consequences; memory, attention, and decision processes; and emotion. Four emergent themes mapped to TDF domains: "We are family": Firefighters feel a strong identity in their work and with peers; "If you are a firefighter, you've got a second job": Firefighters experience many limitations in personal and workplace resources; "That kills us": Firefighters were knowledgeable about most all occupational health and safety risks except dietary risks; and "You're tired, wore out": Occupational stress influenced nutritional choice making. Firefighters experience many barriers to healthy eating while at work due to unique occupational influences. The findings from this study highlighted specific behavioral domains and barriers to be intervened upon that may increase the likelihood of long-term adoption of healthier dietary practices by firefighters.

Furthering decent work by expanding the role of occupational safety and health.

The International Labour Organization (ILO) and the United Nations (UN) have promoted the concept of decent work as a Sustainable Development Goal for 2030 to address critical global problems. Occupational safety and health (OSH) are components of decent work, primarily through the ILO social protection objective of the goal, and are linked to various other objectives. This Commentary applies a previously published staging framework to stimulate thinking about how the OSH field can contribute further to the achievement of decent work. To advance the contribution of the framework, the different functions of OSH (research, practice, advocacy, governance, and professional education) were used to identify impediments to achieving decent work and develop recommendations for each determinant in the framework. Promoting and achieving decent work are complex issues that require a multifactorial approach. Numerous recommendations supporting systems thinking and transdisciplinary approaches are provided. The OSH field can expand to further address decent work.

Perceived Usefulness of Robotic Technology for Patient Fall Prevention.

Technology has the potential to prevent patient falls in healthcare settings and to reduce work-related injuries among healthcare providers. However, the usefulness and acceptability of each technology requires careful evaluation. Framed by the Technology Acceptance Model (TAM) and using the Adaptive Robotic Nursing Assistant (ARNA) to assist with patient ambulation, the present study examined the perceived usefulness of robots in patients' fall prevention with implications for preventing associated work-related injuries among healthcare providers. Employing an experimental design, subjects were undergraduate nursing students (N = 38) and one external subject (not a nursing student) who played the role of the patient. Procedures included subjects ambulating a simulated patient in three ways: (a) following the practice of a nurse assisting a patient to walk with the patient wearing a gait belt; (b) an ARNA-assisted process with the gait belt attached to ARNA; (c) an ARNA-assisted process with a subject walking a patient wearing a harness that is attached to ARNA. Block randomization was used with the following experimental scenarios: Gait Belt (human with a gait belt), "ARNA + Gait Belt" (a robot with a gait belt), and "ARNA + Harness" (a robot with a harness). Descriptive statistics and a multiple regression model were used to analyze the data and compare the outcome described as the Perceived Usefulness (PU) of a robot for patient walking versus a human "nurse assistant" without a robot. The independent variables included the experimental conditions of "Gait Belt," "ARNA + Gait Belt," and "ARNA + Harness," the subject's age, race, and previous videogame playing experience. Results indicated that PU was significantly higher in the Gait Belt + ARNA and Harness + ARNA conditions than in the Gait Belt condition (p-value <.01 for both variables). In examining potential influencing factors, the effects of race (White, African American, and Asian), age, and previous video-playing experience were not statistically significant (p-value >.05). Results demonstrated that using robot technology to assist in walking patients was perceived by subjects as more useful in preventing falls than the gait belt. Patient fall prevention also has implications for preventing associated work-related injuries among healthcare providers. Understanding the effects of a subject's perceptions can guide further development of assistive robots in patient care. Robotic engineers and interdisciplinary teams can design robots to accommodate worker characteristics and individual differences to improve worker safety and reduce work injuries.

Solution-oriented development of the sound environment in industrial workplaces

Objectives. Research literature has not given much evaluation to why the proposed noise control actions in workplaces are not being implemented. There are views of the different personnel groups in the workplace and the reasons why the possibilities for solutions have not been examined. Methods. The companies under study were a welding machine shop, an assembly plant, a heavy steel company and an art glass factory. Noise management was approached by combining the perspectives of technology, acoustics and occupational safety with the examination of sociocultural factors at the workplace level. Results. Noise was not well represented in occupational safety practices. The productivity aspect was strongly emphasized. The use of personal protective equipment created the illusion that everything possible has been done and noise controlled. Conclusion. The study developed a model in which experts in the field of acoustics and sociocultural researchers together evaluated the state and development needs of noise abatement. The results of the project show that successful noise control solutions require a process involving all staff in the workplace.

Fundamental principles and realities of practice: work health and safety in low- and middle-income countries

Fundamental principles and realities of practice: work health and safety in low- and middle-income countries

The impact of workplace changes and supervisor support on employee learning: a nonlinear perspective

ABSTRACT In this study, we examine how workplace changes relate to employee participation in formal learning (i.e. participating in a course or training) and informal learning (i.e. learning from tasks and people at work). Drawing from work design principles, we propose a nonlinear relationship between workplace changes and employee learning, suggesting that multiple changes accelerate employee participation in learning activities. Additionally, we propose that supervisor support for learning moderates this relationship. We examined our hypotheses using survey data from a large subsample of employed workers who participated in the Netherlands Working Conditions Survey (NWCS) in 2018 and 2020. Results showed that workplace changes generally enhance both formal and informal learning. Specifically, we observed a nonlinear relationship for formal learning, however, the pattern of the curve was a decelerating rather than an accelerating one. Further, supervisor support for learning was positively associated with both formal and informal learning and outweighed the association of workplace changes with work-related learning: for employees who experienced high supervisor support, informal learning depended less on workplace changes, but for formal learning it enhanced the found nonlinear relationship and resembled a positive curve that gradually flattens. Results are discussed in light of their theoretical and practical contributions.

A review of the future transport labour market: An EU approach

Mobility and transportation are a fundamental cornerstone of societies. They cannot be performed without a specific and varied workforce that keep all modes functioning. However, the transport sector currently faces many challenges including volatile high energy prices, labour and skills shortages, harsh working conditions, an ageing work force, and many labour relations’ issues. There are also deep and widespread market changes to confront in relation to automation and digitalisation, the move towards greener, cleaner technologies and sustainability. The risk of unemployment for certain jobs is evident. Transport workers and transport undertakings are thus confronted with the very challenging landscape to decarbonise the sector but also to address social sustainability and remain competitive in a fast-changing environment. This study makes use of a systematic review to analyse the main challenges that the land transport sector faces. This paper informs policy makers and relevant stakeholders on the current trends; highlights challenges and opportunities for transport workers and provides recommendations to help achieve that will result in a digital and fair, ethical, just, and green transition not only for the transport sector but also for the society as a whole.

Polish infection control nurses' burnout in the context of cooperation of different hospital professionals during COVID-19 pandemic.

Infection control nurses' job are crucial for patient and healthcare workers safety. However, effective infections prevention is based on the interdisciplinary team work, involving almost all hospital employees professionals. Difficulties in cooperation in such a team, especially prolonged ones, as well as crisis situations, may cause burnout. The aim of the study was to determine burnout among infection control nurses working during the COVID-19 pandemic in the context of difficulties in cooperation with different professionals working in hospitals. The observational study was conducted between May and September 2021, using an online survey questionnaire consisting of two parts: describing difficulties in ICNs cooperation with different hospital professionals and Maslach Inventory Burnout scale, describing emotional exhaustion (EE), depersonalization (DP) and personal accomplishment rates (PA). Correctly completed online surveys were obtained from 177 participants. Most of the respondents (176 of 177) were women, working in public hospitals (81.48%). All respondents had considerable experience in work as nurses - the median was 30 years. However, the median experience in the ICNs position was 12 years. Median age of respondents was 51 years. The median level of EE was 31.0, w ith the range 23.0 to 39.0. For DP it was 5.0, with the range 3.0 and 11.5, while for PA - 24.0 (19.0-29.0). The highest values of EE were observed in the context of high level of difficulties with cooperation with management - the median was 36.0. DP was lowest among nurses declaring the lowest difficulties in cooperation with doctors. For PA the lowest level was observed in the group declaring high difficulties in the cooperation with doctors - median 22.0, with range 14.0-29.0. The surveyed ICNs had higher rates of EE and PA than nurses working with patients, both before and during the pandemic. The level of burnout found in the ICN study group reached a level correlating in other studies with the intention to quit the job. The obtained results indicate the need to include effective training in the skills of working in multidisciplinary teams and the art of communication and achieving goals by ICNs.

Air rage from the sharp end: cabin crew perspectives on disruptive passenger behaviour in Europe and its impact on occupational safety and well-being

Disruptive passenger behaviour (DPB) incidents spiked during the COVID-19 pandemic period, compromising the safety of commercial flights on a daily basis. This qualitative semi-structured interview study examined the perceived triggering factors and motivations for DPB and the subsequent impact of DPB upon cabin crew well-being and safety. Twenty-four European cabin crew disclosed experiences, subjective observations of perpetrator traits, assessment of DPB development and information regarding their well-being and perceived safety. Thematic analysis revealed that the perceived frequency of DPB had increased, driven by an accumulation of pandemic-related factors – such as enforcing mask wearing amongst intoxicated passengers. DPB was found to decrease resilience and spur maladaptive coping strategies in crew. Suggested enhancements to current DPB mitigation consisted of stricter punishment for DPB as a deterrent, alcohol bans and higher quality training. These findings can inform decision-makers’ efforts to support cabin crew well-being and create safer cabin workplaces in the future.

Optimization of water supply parameters for enhanced thermal uniformity in aquaculture ponds under varied working conditions: An experimental study

Aquaculture ponds are critical for the successful rearing of fish larvae, and achieving consistent temperature distribution within these systems is essential for optimal growth conditions. This study explores methods for precise temperature regulation on both the water and atmospheric sides of the pond ecosystem. Based on the original design, systematic changes were made to parameters such as water supply pipe layout, bend angles, perforation rates, and working conditions. Metrics including average temperature, average temperature difference, and extreme temperature difference were utilized to extensively discuss the impacts of these parameters. Through this, temperature distributions across five distinct water supply layouts were analyzed, and the impacts of four different bending angles and perforation rates were evaluated using optimized configurations. Our findings demonstrate that a water supply layout radius of 2000 mm, coupled with a 60° bending angle and a 25 % perforation rate, increased overall temperature uniformity in the pond by 5 %. Additionally, seasonal variations significantly impact temperature distribution in ponds, particularly with different extreme temperature differences observed in winter and summer. Compared to the transitional season and summer, the average temperature difference in the pond during winter decreased by 30 % and 45 %, respectively. It was further revealed that winter conditions naturally yield more uniform water-side temperatures, making seasonal fluctuations irrelevant in determining optimal perforation rates. After the implementation of a water agitator, the average extreme temperature difference decreased from 0.6 K to 0.52 K. In the shallow water layer, the water agitator reduced the extreme temperature difference in the pond by 26 %. The use of water agitators has enhanced thermal uniformity in ponds, thereby improving the growth environment for fish larvae and providing valuable insights for environmental management in aquaculture.

Association of depressive symptoms with incidence and mortality rates of COVID-19 over 2 years among healthcare workers in 20 countries: multi-country serial cross-sectional study.

Long-term deterioration in the mental health of healthcare workers (HCWs) has been reported during and after the COVID-19 pandemic. Determining the impact of COVID-19 incidence and mortality rates on the mental health of HCWs is essential to prepare for potential new pandemics. This study aimed to investigate the association of COVID-19 incidence and mortality rates with depressive symptoms over 2years among HCWs in 20 countries during and after the COVID-19 pandemic. This was a multi-country serial cross-sectional study using data from the first and second survey waves of the COVID-19 HEalth caRe wOrkErS (HEROES) global study. The HEROES study prospectively collected data from HCWs at various health facilities. The target population included HCWs with both clinical and non-clinical roles. In most countries, healthcare centers were recruited based on convenience sampling. As an independent variable, daily COVID-19 incidence and mortality rates were calculated using confirmed cases and deaths reported by Johns Hopkins University. These rates represent the average for the 7days preceding the participants' response date. The primary outcome was depressive symptoms, assessed by the Patient Health Questionnaire-9. A multilevel linear mixed model (LMM) was conducted to investigate the association of depressive symptoms with the average incidence and mortality rates. A total of 32,223 responses from the participants who responded to all measures used in this study on either the first or second survey, and on both the first and second surveys in 20 countries were included in the analysis. The mean age was 40.1 (SD = 11.1), and 23,619 responses (73.3%) were from females. The 9323 responses (28.9%) were nurses and 9119 (28.3%) were physicians. LMM showed that the incidence rate was significantly and positively associated with depressive symptoms (coefficient = 0.008, standard error 0.003, p = 0.003). The mortality rate was significantly and positively associated with depressive symptoms (coefficient = 0.049, se = 0.020, p = 0.017). This is the first study to show an association between COVID-19 incidence and mortality rates with depressive symptoms among HCWs during the first 2years of the outbreak in multiple countries. This study's findings indicate that additional mental health support for HCWs was needed when the COVID-19 incidence and mortality rates increase during and after the early phase of the pandemic, and these findings may apply to future pandemics. Clinicaltrials.gov, NCT04352634.

Performance enhancement on the three-port gas pressure dividing device by flow channel optimization of wave rotor

Wave-rotor-based gas pressure dividing (GPD) is a potential technology that can synchronously conduct gas compression and expansion. This study, proposes a novel curving flow channel of wave rotor (C-FCWR) for the three-port GPD device, aiming to settle the technical problem of traditional width-constant straight flow channels (WS-FCWR). A series of comparative hydrodynamics and thermodynamic analyses are conducted. For the optimized C-FCWR with a forward-curving angle of +10°, the flow vortex generation in the medium-pressure (MP) and low-pressure (LP) ports is rather limited, the shaft power is as low as -0.45 kW, the shock wave efficiency is beyond 99.8 %, and the expansion depth remains above 26.4 K, proving a great technical advantage. For the application feasibility of the optimized C-FCWR to working conditions, a compression ratio below 1.2 and an expansion ratio of 1.8 are conducive to the overall performance of the GPD device.

Prevalence and factors influencing long COVID among primary healthcare workers after epidemic control policy adjustment in Jiangsu, China.

The persistent symptoms arising from COVID-19 infection pose a substantial threat to patients' health, carrying significant implications. Amidst the evolving COVID-19 control strategies in China, healthcare workers (HCWs) endure considerable stress. This study aims to evaluate the prevalence of long COVID infections and their influencing factors among primary HCWs after epidemic control policy adjustment in Jiangsu. A self-designed questionnaire was administered through on-site surveys among primary HCWs in five counties and districts within Jiangsu Province from July 4 to July 20, 2023. Logistic regression analysis was employed to identify factors associated with long COVID. The prevalence of long COVID among primary HCWs stood at 12.61%, with a 95% confidence interval (CI) of 11.67-13.55%. Among those affected, the most common long COVID symptoms were hypomnesia (4.90%, 95%CI: 4.29-5.51%), sleep difficulties (2.73%, 95%CI: 2.27-3.19%), fatigue (2.35%, 95%CI: 1.92-2.78%), disturbances in the reproductive system (1.93%, 95%CI: 1.54-2.32%), hair loss (1.85%, 95%CI: 1.47-2.23%), and myalgia/arthralgia (1.51%, 95%CI: 1.16-1.86%). Multivariate logistic regression revealed that older age groups (30-45 years (adjusted odds ratio (aOR) = 1.93, 95%CI: 1.44-2.58), 45-60 years (aOR = 2.82, 95%CI: 2.07-3.84)), females (aOR = 1.26, 95%CI: 1.03-1.55), and higher work stress (high stress (aOR = 1.52, 95%CI: 1.24-1.86), extremely high stress (aOR = 1.37, 95%CI: 1.03-1.82)) were more prone to long COVID. Conversely, individuals with educational attainment below the bachelor's degree (aOR = 0.67, 95%CI: 0.55-0.82) and those who received four or more doses of the COVID-19 vaccine (aOR = 0.55, 95%CI: 0.33-0.92) were at a reduced risk. This study investigates the prevalence of long COVID among primary HCWs and identifies key influencing factors. These findings are crucial for assisting in the early identification of COVID-19 patients at risk for long-term complications, developing targeted interventions aimed at optimizing healthcare resource allocation and enhancing the work conditions and quality of life of HCWs. To mitigate the prevalence of long COVID, healthcare providers and local authorities should implement effective measures, such as optimizing work-rest schedules and actively advocating for vaccination.

Psychosocial workplace safety in mental health services - Commentary and considerations to improve safety.

Psychosocially unsafe workplaces are related to burnout, especially amongst trainees and psychiatrists. Burgeoning research on psychosocial workplace safety indicates the importance of organisational governance to reduce adverse professional, and consequently patient, outcomes in healthcare by balancing job demands and resources. We provide a brief commentary on the relevance of the concept of the Psychosocial Safety Climate model for mental health services and healthcare workers, and considerations for action. Based on the Extended Job Demand-Resource model, the Psychosocial Safety Climate model has been developed and validated in community and healthcare environments. Psychosocial safety is also an Australian workplace safety requirement. An important direction to improve working conditions, reduce adverse outcomes, and improve recruitment and retention of healthcare workers, may be to adopt and formalise psychosocial workplace safety as a key performance indicator of equal importance to productivity for mental healthcare services.

The impact of vaccine hesitancy on psychological impairment among healthcare workers in a Total Worker Health© approach

The impact of vaccine hesitancy on psychological impairment among healthcare workers in a Total Worker Health© approach

How Advocates Can Use the Revised Circular A-4 Means to Push for Stronger Worker and Environmental Protections.

For public interest advocates engaged on issues of worker health and safety and environmental protections, regulatory cost-benefit analysis has long been seen as an obstacle to meaningful progress. In November 2023, the Biden administration overhauled Circular A-4, which provides guidance to agencies on how to perform cost-benefit analyses for their rules. The reforms seek to make cost-benefit analysis less biased against worker safety, public health, environmental, and other protective safeguards. As such, the new version of Circular A-4 offers important new levers to agencies to justify more stringent protections. By extension, those in the public interest community can use agency implementation of the new Circular A-4 as part of their advocacy efforts for specific rules they are tracking. This article seeks to support this tactic by providing a roadmap for advocates on how to incorporate into their comments critiques of agencies' cost-benefit analyses based on the Circular A-4 revisions.

Healthcare Workers and Patient Loss During the COVID-19 Pandemic: Interaction Between Grief, Viral Anxiety, and Depression.

Coronavirus disease-2019 (COVID-19) had a significant impact on the mental health of healthcare workers. Related assessments should be included in plans for future pandemics. We investigated the connections between grief, viral anxiety, depression, and preoccupation in the context of COVID-19 in healthcare workers, to determine which factors will need to be incorporated. A total of 267 healthcare workers who had experienced the death of at least one patient during the COVID-19 pandemic were asked to respond to questionnaires assessing grief, viral anxiety, depression, loneliness, and preoccupation with COVID-19, based on their emotional state during the 2 weeks immediately after the death. Multivariate linear regression, causal mediation analysis and structural equation modeling were used to examine the psychological processes underlying grief. Linear regression showed that viral anxiety (β=0.287, 95% confidence interval [CI]: 0.235-0.338, p<0.001) and depression (β= 0.157, 95% CI: 0.073-0.241, p<0.001) had independent associations with preoccupation with COVID-19. Causal mediation analysis revealed that both viral anxiety (proportion mediated: 0.51, 95% CI: 0.37-0.66, p<0.001) and depression (proportion mediated: 0.77, 95% CI: 0.50-1.08, p<0.001) were mediators between grief and preoccupation with COVID-19. In a structural equation model, viral anxiety and depression mediated most of the effects of grief on preoccupation with COVID-19, and loneliness was a mediator between grief and depression. Contingency plans for the next pandemic are being formulated. Effective measures to protect the mental health of healthcare workers should be included, and such measures should consist of assessments for grief, viral anxiety, depression, and loneliness.

Ergonomic challenges of mortuary attendants in Ghana: an exploratory study

Objective. Mortuary attendants in Ghana face various occupational health and safety hazards, including ergonomic and psychosocial factors, which can impact both their well-being and the quality of service provided. However, there is limited knowledge about the specific ergonomic hazards they encounter. This study aims to investigate and understand these ergonomic hazards at selected hospital mortuaries in Ghana. Methods. The study used a qualitative approach to investigate the experiences of 19 mortuary attendants, selected through purposive sampling. Semi-structured interviews were conducted and recorded digitally, and focused on participants’ demographics, work experiences, challenges and coping strategies. The collected data were transcribed verbatim and analyzed thematically. Results. The study found that mortuary attendants face ergonomic hazards, leading to physical discomfort, sleep problems and the need for sick leave and self-medication. Poor working conditions were a major risk factor. Conclusion. The study recommends the immediate inclusion of fundamental occupational health and safety practices into the informal apprenticeship training for mortuary attendants. Additionally, the study underscores the importance of providing necessary equipment to mortuary attendants to reduce or eliminate ergonomic hazards in their work environments.

Organizational change: challenges for workplace psychosocial risks and employee mental health

BackgroundConstant organizational change is the norm in many companies today. At present, evidence on the impact of organizational change on psychosocial risks at work and employee mental health is limited. We investigate organizational change and its association with psychosocial risks and mental health in three consecutive surveys covering 12 years.MethodsThe study was based on data from three cross-sectional waves (2006, 2012, 2018) of the German BIBB/BAuA Employment Survey, comprising 53,295 employees. Four change indicators (i.e., introduction of new software, changes in goods and services produced/provided, downsizing and restructuring), five indicators of psychosocial risks (i.e., time pressure, interruptions, multitasking, working to the limits of capability, and working very quickly) and four mental health indicators (i.e., sleep disturbances, nervousness, tiredness and depressive symptoms) were investigated. We applied Poisson regression analysis to examine associations between organizational change, psychosocial risks, and mental health.ResultsAccording to the pooled analysis of all three waves, the majority of employees reported having experienced at least one organizational change, such as downsizing or restructuring, between 2006 and 2018. Organizational change was negatively associated with psychosocial risks (e.g., working to the limits of one’s capability, PR: 1.66; 95% CI: 1.48–1.86) and with employee mental health (PR: 1.82; 95% CI: 1.61–2.04).ConclusionsOrganizational change is omnipresent in the modern economy. Our research suggests that transformation processes in organizations can bear risks to employees’ health as psychosocial risks increase. Therefore, companies planning organizational change should accompany such processes with occupational health and safety measures.

Analysis of forming mechanism and influencing factors of thermoacoustic plate end temperature difference

In order to explore the formation mechanism and influencing factors of the temperature difference between two ends of the plate stack, an expression of the temperature change of the stack with time was established based on the two-dimensional heat conduction equation. Based on this, the finite element model of heat transfer between a single thermoacoustic plate stack and the gas above it is established in Ansys, and the temperature of the plate stack is solved. When the sound field is constant, the variation law of the temperature of the stack with the working time and space is obtained, and the formation mechanism of the temperature difference between the two ends of the plate stack is revealed. From the calculation results, it is found that the net heat transfer between the gas and the plate stack is mainly reflected in the two ends of the plate stack, and the contribution of the air mass in the middle part is mainly the relay heat transfer. In the process of working, part of the sound work is converted into the internal energy of the air mass, which makes the gas temperature on the surface of the plate rise as a whole. The working frequency, stack length and stack thermal conductivity are taken as the influencing factors. When no load is added, the variation of the temperature of the high and low end of the stack with the working time under different working conditions is analyzed. And the theory of series between short plates is put forward to explain the formation mechanism of large temperature difference between the two ends of the plates. In order to further reduce the cooling temperature of thermoacoustic refrigerator, a new research method and exploration direction are proposed.