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Promoting a Shared Representation of Workers' Activities to Improve Integrated Prevention of Work-Related Musculoskeletal Disorders.

Yves ROQUELAURE

Safety and Health at Work.2016;7(2):171-174. doi:10.1016/j.shaw.2016.02.001

Effective and sustainable prevention of work-related musculoskeletal disorders (WR-MSDs) remains a challenge for preventers and policy makers. Coordination of stakeholders involved in the prevention of WR-MSDs is a key factor that requires greater reflection on common knowledge and shared representation of workers' activities among stakeholders. Information on workers' strategies and operational leeway should be the core of common representations, because it places workers at the center of the "work situation system" considered by the intervention models. Participatory ergonomics permitting debates among stakeholders about workers' activity and strategies to cope with the work constraints in practice could help them to share representations of the "work situation system" and cooperate. Sharing representation therefore represents a useful tool for prevention, and preventers should provide sufficient space and time for dialogue and discussion of workers' activities among stakeholders during the conception, implementation, and management of integrated prevention programs.
Administrative Personnel ; Fertilization ; Human Engineering ; Humans

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Employee Perceptions of Their Organization's Level of Emergency Preparedness Following a Brief Workplace Emergency Planning Educational Presentation.

Lauren A RENSCHLER ; Elizabeth A TERRIGINO ; Sabiya AZIM ; Elsa SNIDER ; Darson L RHODES ; Carol C COX

Safety and Health at Work.2016;7(2):166-170. doi:10.1016/j.shaw.2015.10.001

A brief emergency planning educational presentation was taught during work hours to a convenience sample of employees of various workplaces in Northern Missouri, USA. Participants were familiarized with details about how an emergency plan is prepared by management and implemented by management-employee crisis management teams - focusing on both employee and management roles. They then applied the presentation information to assess their own organization's emergency preparedness level. Participants possessed significantly (p < 0.05) higher perceptions of their organization's level of emergency preparedness than non-participants. It is recommended that an assessment of organizational preparedness level supplement emergency planning educational presentations in order to immediately apply the material covered and encourage employees to become more involved in their organization's emergency planning and response. Educational strategies that involve management-employee collaboration in activities tailored to each workplace's operations and risk level for emergencies should be implemented.
Civil Defense* ; Cooperative Behavior ; Emergencies* ; Missouri

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Unions, Health and Safety Committees, and Workplace Accidents in the Korean Manufacturing Sector.

Woo Yung KIM ; Hm Hak CHO

Safety and Health at Work.2016;7(2):161-165. doi:10.1016/j.shaw.2016.02.005

BACKGROUND: Despite the declining trend of workplace accidents in Republic of Korea, its level is still quite high compared with that in other developed countries. Factors that are responsible for high workplace accidents have not been well documented in Republic of Korea. The main purpose of this paper is to estimate the effects of unions and health and safety committees on workplace accidents in Korean manufacturing firms. We also allow for the interactions between unions and health and safety committees in the analysis. The results obtained in this paper will not only contribute to the literature in this field, but might also be useful for employers and worker representatives who are trying to find an effective way to reduce workplace accidents. METHODS: This paper utilizes the 2012 Occupational Safety and Health Trend Survey data, which is a unique data set providing information on workplace injuries and illness as well as other characteristics of participatory firms, representative of the manufacturing industry in Republic of Korea. RESULTS: In estimating the effects of unions and health and safety committees, we build a negative binomial regression model in which the interactions between unions and health and safety committees are permissible in reducing workplace accidents. CONCLUSION: Health and safety committees were found to reduce the incidence of accidents whereas unionized establishments have higher incidence of accidents than nonunionized establishments. We also found that health and safety committees can more effectively reduce accidents in nonunionized establishments. By contrast, nonexclusive joint committees can more effectively reduce accidents in unionized establishments.
Dataset ; Developed Countries ; Incidence ; Joints ; Occupational Health ; Republic of Korea

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Biomonitoring of Toxic Effects of Pesticides in Occupationally Exposed Individuals.

Muhammad ARSHAD ; Maryam SIDDIQA ; Saddaf RASHID ; Imran HASHMI ; Muhammad Ali AWAN ; Muhammad Arif ALI

Safety and Health at Work.2016;7(2):156-160. doi:10.1016/j.shaw.2015.11.001

BACKGROUND: Workers in pesticide manufacturing industries are constantly exposed to pesticides. Genetic biomonitoring provides an early identification of potential cancer and genetic diseases in exposed populations. The objectives of this biomonitoring study were to assess DNA damage through comet assay in blood samples collected from industry workers and compare these results with those of classical analytical techniques used for complete blood count analysis. METHODS: Samples from controls (n = 20) and exposed workers (n = 38) from an industrial area in Multan, Pakistan, were subjected to various tests. Malathion residues in blood samples were measured by gas chromatography. RESULTS: The exposed workers who were employed in the pesticide manufacturing industry for a longer period (i.e., 13-25 years) had significantly higher DNA tail length (7.04 μm) than the controls (0.94 μm). Workers in the exposed group also had higher white blood cell and red blood cell counts, and lower levels of mean corpuscular hemoglobin (MCH), MCH concentration, and mean corpuscular volume in comparison with normal levels for these parameters. Malathion was not detected in the control group. However, in the exposed group, 72% of whole blood samples had malathion with a mean value of 0.14 mg/L (range 0.01-0.31 mg/L). CONCLUSION: We found a strong correlation (R2 = 0.91) between DNA damage in terms of tail length and malathion concentration in blood. Intensive efforts and trainings are thus required to build awareness about safety practices and to change industrial workers' attitude to prevent harmful environmental and anthropogenic effects.
Blood Cell Count ; Chromatography, Gas ; Comet Assay ; DNA ; DNA Damage ; Environmental Monitoring* ; Erythrocyte Count ; Erythrocyte Indices ; Hematologic Tests ; Leukocytes ; Malathion ; Occupations* ; Pakistan ; Pesticides* ; Tail

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Characterization of Total and Size-Fractionated Manganese Exposure by Work Area in a Shipbuilding Yard.

Jee Yeon JEONG ; Jong Su PARK ; Pan Gyi KIM

Safety and Health at Work.2016;7(2):150-155. doi:10.1016/j.shaw.2015.12.003

BACKGROUND: Shipbuilding involves intensive welding activities, and welders are exposed to a variety of metal fumes, including manganese, that may be associated with neurological impairments. This study aimed to characterize total and size-fractionated manganese exposure resulting from welding operations in shipbuilding work areas. METHODS: In this study, we characterized manganese-containing particulates with an emphasis on total mass (n = 86, closed-face 37-mm cassette samplers) and particle size-selective mass concentrations (n = 86, 8-stage cascade impactor samplers), particle size distributions, and a comparison of exposure levels determined using personal cassette and impactor samplers. RESULTS: Our results suggest that 67.4% of all samples were above the current American Conference of Governmental Industrial Hygienists manganese threshold limit value of 100 μg/m3 as inhalable mass. Furthermore, most of the particles containing manganese in the welding process were of the size of respirable particulates, and 90.7% of all samples exceeded the American Conference of Governmental Industrial Hygienists threshold limit value of 20 μg/m3 for respirable manganese. CONCLUSION: The concentrations measured with the two sampler types (cassette: total mass; impactor: inhalable mass) were significantly correlated (r = 0.964, p < 0.001), but the total concentration obtained using cassette samplers was lower than the inhalable concentration of impactor samplers.
Humans ; Manganese* ; Particle Size ; Welding

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Occupational Health: Meeting the Challenges of the Next 20 Years.

John HARRISON ; Leonie DAWSON

Safety and Health at Work.2016;7(2):143-149. doi:10.1016/j.shaw.2015.12.004

BACKGROUND: The industrial revolution that took place in the United Kingdom (UK) between 1760 and 1830 led to profound social change. Occupational medicine was concerned with the diagnosis, treatment, and prevention of occupational diseases, that is, diseases directly caused by exposure to workplace hazards. A similar pattern of development has occurred globally. METHODS: A review of relevant literature. RESULTS: The international conceptualization and development of occupational health occurred during the 20th century. A new paradigm for occupational health has emerged that extends the classical focus on what might be termed "health risk management" that is, the focus on workplace hazards and risk to health to include the medical aspects of sickness absence and rehabilitation, the support and management of chronic noncommunicable diseases, and workplace health promotion. CONCLUSION: The future strategic direction for occupational health will be informed by a needs analysis and a consideration of where it should be positioned within future healthcare provision. What are the occupational health workforce implications of the vision for occupational health provision? New challenges and new ways of working will necessitate a review of the competence and capacity of the occupational health workforce, with implications for future workforce planning.
Delivery of Health Care ; Diagnosis ; Great Britain ; Health Promotion ; Mental Competency ; Occupational Diseases ; Occupational Health* ; Occupational Medicine ; Rehabilitation ; Social Change

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Workplace Accidents and Work-related Illnesses of Household Waste Collectors.

Byung Yong JEONG ; Sangbok LEE ; Jae Deuk LEE

Safety and Health at Work.2016;7(2):138-142. doi:10.1016/j.shaw.2015.11.008

BACKGROUND: Household waste collectors (HWCs) are exposed to hazardous conditions. This study investigates the patterns of workplace injuries and work-related illnesses of HWCs. METHODS: This study uses cases of workplace injuries and work-related illnesses of HWCs that occurred between 2010 and 2011. We analyzed 325 cases of injuries and 36 cases of illnesses according to the workers' age, length of employment, size of workplace, injured part of body, day and month of injury, type of accident, agency of accident, and collection process. RESULTS: There were significant differences in the effect of workers' length of employment, injured part of body, type of accident, agency of accident, and collection process. Results show that most injuries occur in workers in their 50s and older. This study also shows that 51.4% of injuries occur at businesses with 49 employees or fewer. Injuries to waste collectors happen most often when workers are electrocuted after slipping on the ground. The second most prevalent form of injury is falling, which usually happens when workers hang from the rear of the truck during transportation or otherwise slip and fall from the truck. Work-related illnesses amongst waste collectors are mostly musculoskeletal conditions due to damaging postures. CONCLUSION: These findings will be instructive in devising policies and guidelines for preventing workplace injuries and work-related illnesses of HWCs.
Accident Prevention ; Accidental Falls ; Commerce ; Employment ; Family Characteristics* ; Motor Vehicles ; Posture ; Transportation

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Large Steel Tank Fails and Rockets to Height of 30 meters - Rupture Disc Installed Incorrectly.

Frank H HEDLUND ; Robert S SELIG ; Eva K KRAGH

Safety and Health at Work.2016;7(2):130-137. doi:10.1016/j.shaw.2015.11.004

At a brewery, the base plate-to-shell weld seam of a 90-m3 vertical cylindrical steel tank failed catastrophically. The 4 ton tank "took off" like a rocket leaving its contents behind, and landed on a van, crushing it. The top of the tank reached a height of 30 m. The internal overpressure responsible for the failure was an estimated 60 kPa. A rupture disc rated at < 50 kPa provided overpressure protection and thus prevented the tank from being covered by the European Pressure Equipment Directive. This safeguard failed and it was later discovered that the rupture disc had been installed upside down. The organizational root cause of this incident may be a fundamental lack of appreciation of the hazards of large volumes of low-pressure compressed air or gas. A contributing factor may be that the standard piping and instrumentation diagram (P&ID) symbol for a rupture disc may confuse and lead to incorrect installation. Compressed air systems are ubiquitous. The medium is not toxic or flammable. Such systems however, when operated at "slight overpressure" can store a great deal of energy and thus constitute a hazard that ought to be addressed by safety managers.
Compressed Air ; Rupture* ; Steel*

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Relation between Multiple Markers of Work-Related Fatigue.

Ina VÖLKER ; Christine KIRCHNER ; Otmar L BOCK

Safety and Health at Work.2016;7(2):124-129. doi:10.1016/j.shaw.2015.11.003

BACKGROUND: Work-related fatigue has a strong impact on performance and safety but so far, no agreed upon method exists to detect and quantify it. It has been suggested that work-related fatigue cannot be quantified with just one test alone, possibly because fatigue is not a uniform construct. The purpose of this study is therefore to measure work-related fatigue with multiple tests and then to determine the underlying factorial structure. METHODS: Twenty-eight employees (mean: 36.11; standard deviation 13.17) participated in five common fatigue tests, namely, posturography, heart rate variability, distributed attention, simple reaction time, and subjective fatigue before and after work. To evaluate changes from morning to afternoon, t tests were conducted. For further data analysis, the differences between afternoon and morning scores for each outcome measure and participant (Δ scores) were submitted to factor analysis with varimax rotation and each factor with the highest-loading outcome measure was selected. The Δ scores from tests with single and multiple outcome measures were submitted for a further factor analysis with varimax rotation. RESULTS: The statistical analysis of the multiple tests determine a factorial structure with three factors: The first factor is best represented by center of pressure (COP) path length, COP confidence area, and simple reaction time. The second factor is associated with root mean square of successive difference and useful field of view (UFOV). The third factor is represented by the single Δ score of subjective fatigue. CONCLUSION: Work-related fatigue is a multidimensional phenomenon that should be assessed by multiple tests. Based on data structure and practicability, we recommend carrying out further studies to assess work-related fatigue with manual reaction time and UFOV Subtest 2.
Fatigue* ; Fibrinogen ; Heart Rate ; Methods ; Outcome Assessment (Health Care) ; Reaction Time ; Statistics as Topic

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Maintenance of Wakefulness and Occupational Injuries among Workers of an Italian Teaching Hospital.

Francesca VALENT ; Elisa SINCIG ; Gian Luigi GIGLI ; Pierluigi DOLSO

Safety and Health at Work.2016;7(2):120-123. doi:10.1016/j.shaw.2015.10.002

BACKGROUND: To assess in a laboratory setting the ability to stay awake in a sample of workers of an Italian hospital and to investigate the association between that ability and the risk of occupational injury. METHODS: Nine workers at the University Hospital of Udine who reported an occupational injury in the study period (cases), and seven noninjured workers (controls) underwent a polysomnography and four 40-minute maintenance of wakefulness tests (MWT). Differences in sleep characteristics and in wakefulness maintenance were assessed using Wilcoxon's rank sums tests and Fisher's exact tests. RESULTS: Controls had greater sleep latency, lower total sleep time, fewer leg movements, and a higher percentage ratio of cycling alternating pattern, were more likely not to fall asleep during the MWT and were less likely to have two or more sleep onsets. Although not all the differences reached statistical significance, cases had lower sleep onset times in Trials 1-3. CONCLUSION: In the literature, the evidence of an association between MWT results and real life risk of accidents is weak. Our results suggest a relationship between the MWT results and the risk of injury among hospital workers.
Case-Control Studies ; Hospitals, Teaching* ; Leg ; Occupational Injuries* ; Polysomnography ; Wakefulness*

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