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Kar MB, Aruna M, Kunar BM. Structural equation modelling of work related musculoskeletal disorders among dumper operators. Sci Rep 2023; 13:14055. [PMID: 37640737 PMCID: PMC10462743 DOI: 10.1038/s41598-023-40507-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 08/11/2023] [Indexed: 08/31/2023] Open
Abstract
The aim of this study is to investigate the impact of personal factors, habitual factors, and work-related factors on work-related musculoskeletal disorders (WRMSDs) among dumper operators. In total, 248 dumper operators working in an iron ore mine were considered for this study. A questionnaire was developed and administered to collect dumper operators' personal, habitual, and work-related data. The reliability of the questionnaire was cross-checked by Cronbach alpha and the test-retest method. The values of Cronbach alpha for all latent variables were above 0.7, and the correlation coefficient of the questionnaire items at Time 1 and Time 2 was above 0.82. After verifying the validity (i.e., convergent and divergent) of the questionnaire data, the relationship between the factors under consideration was examined by structural equation modeling (SEM). The SEM demonstrated a moderate fit, with [Formula: see text] value of 1.386, comparative fit index (CFI) of 0.86, goodness-of-fit index (GFI) of 0.72, adjusted goodness-of-fit index (AGFI) of 0.69, Tucker-Lewis Index (TLI) of 0.83, normed fit index (NFI) of 0.71 and root mean square error of approximation (RMSEA) of 0.051. The SEM analysis revealed a positive relationship between WRMSDs and personal factors (with path coefficient = 0.313 and p < 0.05) as well as work-related factors (with path coefficient = 0.296 and p < 0.05). However, the relationship between WRMSDs and habitual factors was not statistically significant (with path coefficient = 0.142 and p > 0.05). Overall, this study provides valuable insights into the factors that influence the prevalence of WRMSDs among dumper operators. The findings highlight the significance of personal and work-related factors by which one can make a positive decision to prevent and reduce the incidence of WRMSDs among dumper operators.
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Affiliation(s)
- Mohith Bekal Kar
- Department of Mining Engineering, NITK Surathkal, Mangaluru, India.
| | - Mangalpady Aruna
- Department of Mining Engineering, NITK Surathkal, Mangaluru, India
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Luria S, Khatib H, Haj ME, Volk I, Calderon-Margalit R. Occupational hand trauma - Mechanism of injury and transient risk factors in Jerusalem. Injury 2023; 54:110854. [PMID: 37302872 DOI: 10.1016/j.injury.2023.110854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 05/28/2023] [Accepted: 05/30/2023] [Indexed: 06/13/2023]
Abstract
INTRODUCTION Although prevalent, and variable geographically, there is little information on the incidence and risk factors for occupation hand trauma in our health care system. This pilot study was designed to determine the optimal data collection methods for transient risk factors locally METHODS: All adult patients with occupational hand trauma treated at an emergency department (ED) during a three-month period were interviewed, either in person or by phone, using a case crossover designed questionnaire, regarding occupation and exposure to potential transient risk factor. RESULTS Of 206 patients treated with occupational trauma during the study period, 94 had trauma distal to the elbow (46%). Patient compliance was high - 89% of the patients consented to phone interviews and 83% completed in-person ED interviews. In the 75 patients which participated in the study, several risk factors were found to be significant, including machine maintenance and being distracted, including by a cellular phone. We found lack of job experience, limited training on the job site and reports of previous injuries in these workplaces to be prevelent. DISCUSSION The risk factors implicated in this study are similar to those reported in previous studies at other locations and are modifiable although this is the first report linking cellular phone use and occupation trauma. This finding should be further examined in a larger group and according to occupational categories. Compliance with the study was high, in person or with phone interviews, making these options viable for further studies. Several minor changes to the questionnaire were suggested although it did conform with the case-crossover study design. According to this study, standard preventive measures may be lacking in Jerusalem and should be implemented more uniformly, including specific workplace safety plans and education and taking into consideration the risk factors documented here.
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Affiliation(s)
- Shai Luria
- Faculty of Medicine, Hebrew University of Jerusalem; the Orthopedic Surgery Department, Hand and Microsurgery Unit, Hadassah Medical Center, Israel.
| | - Hosam Khatib
- Faculty of Medicine, Hebrew University of Jerusalem; the Orthopedic Surgery Department, Hand and Microsurgery Unit, Hadassah Medical Center, Israel
| | - Madi El Haj
- Faculty of Medicine, Hebrew University of Jerusalem; the Orthopedic Surgery Department, Hand and Microsurgery Unit, Hadassah Medical Center, Israel
| | - Ido Volk
- Faculty of Medicine, Hebrew University of Jerusalem; the Orthopedic Surgery Department, Hand and Microsurgery Unit, Hadassah Medical Center, Israel
| | - Ronit Calderon-Margalit
- School of Public Health, Hebrew University School of Medicine, Hadassah Medical Organization, Israel
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Ajith MM, Ghosh AK, Jansz J. Contributing effects of individual characteristics, behavioural and job-related factors on occurrence of mining-related injuries: A systematic review. Work 2021; 71:87-117. [PMID: 34924421 DOI: 10.3233/wor-205227] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Occupational health and safety (OHS) is a complex system due to its three components, namely human, technological and organizational factors. The interplay between the three systems causes workplace accidents and, subsequently, injuries. The body of research currently available demonstrates a disparity in the focus on contributors that cause mining-related injuries beyond the presence of hazards. OBJECTIVE The aim of this paper was to systematically review and synthesise peer-reviewed published studies that have investigated whether certain individual characteristics, behavioural factors and job-related factors predict mining-related injuries. METHODS Databases were searched and peer-reviewed publications from 2004 to 2020 were retrieved and analysed. Only 24 from 3073 identified articles were retained for review and synthesis following careful screening. Most identified studies were either cross-sectional or case-control studies, and they were rated as moderate-to-good quality. RESULTS The review results showed that there is a diverging view in relation to risk factors that cause mining-related injuries. Some publications suggested that old age, male miners, married miners, less educated miners, less experienced miners, alcohol and drug usage, poor working conditions, poor management or supervision, job dissatisfaction and job stress predict injury events while other studies found contradictory relationships or insignificant statistical associations. CONCLUSIONS Despite the fact that studied risk factors have been well-established in other industries, there is a significant gap in mining that needs further examination. It is imperative that health and safety intervention strategies are devised and implemented for vulnerable groups.
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Affiliation(s)
- Michael Mayom Ajith
- Department of Mining Engineering and Metallurgical Engineering, Western Australia School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Australia
| | - Apurna Kumar Ghosh
- Department of Mining Engineering and Metallurgical Engineering, Western Australia School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Australia
| | - Janis Jansz
- Western Australia School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Australia
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Rodriguez Diez-Caballero B, Alfonso-Beltrán J, Bautista IJ, Barrios C. Occupational risk factors for shoulder chronic tendinous pathology in the Spanish automotive manufacturing sector: a case-control study. BMC Musculoskelet Disord 2020; 21:818. [PMID: 33287768 PMCID: PMC7722306 DOI: 10.1186/s12891-020-03801-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 11/17/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Musculoskeletal Diseases (MSDs) are among the most prevalent health problems encountered in the workforce in Europe. Multiple risk factors contribute to their onset. In the present study, different individual risk factors for chronic tendinous pathology affecting the shoulder were analysed in a sample of workers from the automotive manufacturing sector. METHODS An observational retrospective study was conducted with 73 cases of officially recognised and compensated occupational diseases and 94 aleatory cases of healthy workers from the same car assembly company. The experimental group comprised individuals with tendinous chronic pathology of the rotator cuff. Multiple variables that identified the risks present in the job were assessed along with participants clinical evaluation. Furthermore, two standardised guidelines for risk factors assessment were also used: the Spanish National Institute of Social Security (INSS) and the American Occupational Information Network (O*Net). Both descriptive statistical analysis and Odds ratios calculations considering the occupational disease as a dependent variable were performed. RESULTS The use of hand tools, exposure to mechanical pressure in the upper limbs and awkward postures were the most prevalent risk factors. Pressure on the palm of the hand and the hand tool impacting the hand were also important risk factors. Some psychosocial factors such as lack of autonomy and mental workload were also associated shoulder tendinous diseases. The association of age, load handling, and awkward postures were the core risk factors responsible for most of the tendinous chronic injuries of the shoulder in this sample of car assembly workers. CONCLUSIONS Both ergonomic and psychosocial factors were present and increased the risk of developing occupational chronic tendinopathies at the shoulder in this sample of workers. Aging, load handling, and awkward postures showed the strongest predictive values. Greater knowledge of how risk factors interact would facilitate the design of better preventive workplace strategies.
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Affiliation(s)
| | - Joaquín Alfonso-Beltrán
- Institute for Research on Musculoskeletal Disorders, School of Medicine and Health Sciences, Valencia Catholic University, Valencia, Spain
| | - Iker J Bautista
- Institute for Research on Musculoskeletal Disorders, School of Medicine and Health Sciences, Valencia Catholic University, Valencia, Spain
| | - Carlos Barrios
- Institute for Research on Musculoskeletal Disorders, School of Medicine and Health Sciences, Valencia Catholic University, Valencia, Spain
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Sen A, Sanjog J, Karmakar S. A Comprehensive Review of Work-Related Musculoskeletal Disorders in the Mining Sector and Scope for Ergonomics Design Interventions. IISE Trans Occup Ergon Hum Factors 2020; 8:113-131. [PMID: 33140997 DOI: 10.1080/24725838.2020.1843564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
OCCUPATIONAL APPLICATIONS Work-related Musculoskeletal Disorders (WMSDs) are prevalent in many industries worldwide, including the large and labor-intensive mining sector. A systematic review was carried out to understand problems in the mining sector issues from three broad perspectives: 1) the prevalence of WMSDs among miners; 2) the association of occupational, psychosocial, environmental, and other risk factors with WMSDs causation; and 3) ergonomics interventions already proposed or implemented, and scope for design interventions. Our review revealed that automation, job aids, and displays are methods suitable for ergonomic design interventions. Ergonomic intervention strategies at various hierarchical levels, and the successive way forward as proposed in our review, could act as a catalyst in formulating problem-specific solution strategies by the participation of diverse stakeholders to implement a more human-centric workplace.
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Affiliation(s)
- Abhijit Sen
- Department of Design, Indian Institute of Technology (IIT) Guwahati, Guwahati, Assam, India
| | - Jayakumar Sanjog
- Department of Mechanical Engineering, Vaugh Institute of Agricultural Engineering and Technology (VIAET), Sam Higginbottom University of Agriculture, Technology and Sciences (SHUATS), Prayagraj, Uttar Pradesh, India
| | - Sougata Karmakar
- Department of Design, Indian Institute of Technology (IIT) Guwahati, Guwahati, Assam, India
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SENAPATI A, BHATTACHERJEE A, CHAU N. Associations of job-related hazards and personal factors with occupational injuries at continuous miner worksites in underground coal mines: a matched case-control study in Indian coal mine workers. INDUSTRIAL HEALTH 2020; 58:306-317. [PMID: 31787707 PMCID: PMC7417501 DOI: 10.2486/indhealth.2019-0102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 11/25/2019] [Indexed: 06/10/2023]
Abstract
A wide range of job-related hazards and personal factors may be associated with injury occurrences at continuous miner worksites but their role has been little documented. To address this issue, a case-control study in India was conducted to compare 135 workers with an injury during the previous 2-yr period and 270 controls without injury during the previous 5-yr period (two controls for each injured worker, matched on age and occupation). Data were collected through face-to-face interviews using standardized questionnaire and analyzed using conditional logistic regression models. We found that the injury occurrences were multifactorial and associated with hand tool-related hazards (adjusted odds ratio/ORa=3.69, p<0.01), working condition-related hazards (ORa=3.11, p<0.01), continuous miner-related hazards (ORa=1.95, p<0.05), and shuttle car-related hazards (ORa=6.95, p<0.001), along with big family size, no-formal education, and presence of disease (adjusted odds ratios varying between 2 to 4). Stratified analyses showed that among the 36-60 yr-old workers, hand tool-related hazards, working condition-related hazards, and shuttle car-related hazards had significant ORa (6.62, 4.38 and 15.65, respectively with p<0.01,) while among the younger workers, only shuttle car-related hazards had significant ORa (4.25, p<0.05). These findings may help to understand the risk patterns of injuries and to implement appropriate prevention strategies.
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Affiliation(s)
- Amrites SENAPATI
- Department of Mining Engineering, Indian Institute of
Technology Kharagpur, India
| | - Ashis BHATTACHERJEE
- Department of Mining Engineering, Indian Institute of
Technology Kharagpur, India
| | - Nearkasen CHAU
- National Institute for Health and Medical Research (Inserm),
U1178, France
- University Paris-Sud and University Paris Descartes,
UMR-S1178, France
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Sun Q, Ma JS, Wang H, Xu SH, Zhao JK, Gao Q, Huang JJ, Wang T. Associations between dietary patterns and 10-year cardiovascular disease risk score levels among Chinese coal miners--a cross-sectional study. BMC Public Health 2019; 19:1704. [PMID: 31856787 PMCID: PMC6923962 DOI: 10.1186/s12889-019-8070-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/11/2019] [Indexed: 02/07/2023] Open
Abstract
Background Diet-related cardiovascular diseases have produced a large health burden in China. Coal miners are a high-risk population for cardiovascular disease, but there is little evidence concerning associations between coal miners’ dietary patterns and their 10-year cardiovascular disease risk score levels. Methods The study included 2632 participants and focused on dietary patterns associated with higher 10-year cardiovascular disease risk score levels. A valid semi-quantitative food frequency questionnaire was used to collect data regarding dietary intake, and dietary patterns were identified using factor analysis combined with cluster analysis. Logistic regression was used to assess associations between dietary patterns and 10-year cardiovascular disease risk score levels. Results For ground workers, compared with the ‘Healthy’ pattern, the ‘High-salt’ and ‘Refined grains’ patterns were significantly associated with higher 10-year atherosclerotic cardiovascular disease risk score level (OR: 1.50, 95% CI: 1.02–2.21; OR: 1.92, 95% CI: 1.26–2.93) and 10-year ischemic cardiovascular disease risk score level (OR: 2.18, 95% CI: 1.25–3.80; OR: 2.64, 95% CI: 1.48–4.72) adjusted for gender, and behavioural and socioeconomic factors. The ‘High-fat and salt’ pattern was significantly associated with higher 10-year ischemic cardiovascular disease risk score level (OR: 1.97, 95% CI: 1.13–3.42). For underground workers, the ‘High-salt’ pattern was significantly associated with higher 10-year atherosclerotic cardiovascular disease risk score level (OR: 1.65, 95% CI: 1.16–2.36) and 10-year ischemic cardiovascular disease risk score level (OR: 1.76, 95% CI: 1.09–2.84). Conclusions This study provides evidence for dietary patterns associated with higher 10-year cardiovascular disease risk score levels in Chinese miners, and facilitates relevant departments in designing effective dietary guidelines to ameliorate dietary structures.
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Affiliation(s)
- Qian Sun
- Department of Health Statistics, School of Public Health, Shanxi Medical University, 56 Xinjiannanlu Street, Taiyuan, 030001, China
| | - Jin-Sha Ma
- Department of Health Statistics, School of Public Health, Shanxi Medical University, 56 Xinjiannanlu Street, Taiyuan, 030001, China
| | - Hui Wang
- Department of Health Statistics, School of Public Health, Shanxi Medical University, 56 Xinjiannanlu Street, Taiyuan, 030001, China
| | - Shu-Hong Xu
- Shaoxing Center for Diseases Prevention and Control, Shaoxing City, 312000, Zhejiang Province, China
| | - Jun-Kang Zhao
- Department of Health Statistics, School of Public Health, Shanxi Medical University, 56 Xinjiannanlu Street, Taiyuan, 030001, China
| | - Qian Gao
- Department of Health Statistics, School of Public Health, Shanxi Medical University, 56 Xinjiannanlu Street, Taiyuan, 030001, China
| | - Jian-Jun Huang
- Department of Neurosurgery, General Hospital of Datong Coal Mining Group, Datong, 037000, China
| | - Tong Wang
- Department of Health Statistics, School of Public Health, Shanxi Medical University, 56 Xinjiannanlu Street, Taiyuan, 030001, China.
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Psychosocial and Ergonomic Conditions at Work: Influence on the Probability of a Workplace Accident. BIOMED RESEARCH INTERNATIONAL 2019; 2019:2519020. [PMID: 31886186 PMCID: PMC6925745 DOI: 10.1155/2019/2519020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 08/19/2019] [Accepted: 09/05/2019] [Indexed: 12/01/2022]
Abstract
Today, the economic and social importance of occupational accidents is undeniable worldwide. Hence, research aimed at reducing this type of accident is considered a discipline of great interest for society in general. In this environment, working conditions play a fundamental role in the occurrence of accidents, and from their study, results can be obtained that provide information for decision-making that guarantee optimum conditions for the development of the employees' tasks. Organizing the conditions of work execution is also a task that constitutes an essential aspect for a firm's productivity, therefore, affecting their viability and results. In this work, a model is proposed for the study of different groups of working conditions and their influence on the probability of occupational accidents, in accordance with the data provided by the 7th National Survey of Working Conditions (VII NSWC). The survey sampled 8892 workers active in all sectors of national production and is the last nation-wide survey administered in Spain. Bayesian networks (BNs) are used to generate a network that analyzes working conditions in all areas (27 variables have been included in addition to those corresponding to the sector and accident), and then, more specifically, the relationship that is established between ergonomic factors in the workplace, psychosocial factors of the worker, and the probability of an accident. The results are achieved through the network obtained by highlighting some of the proposed variables. The dependencies generated by the chosen variables are analyzed, and subsequently, the probability of accident for each of the productive sectors is determined. It is concluded that the ergonomic risks associated with physical strains in the workplace, together with the lack of job satisfaction on the employer's behalf, both pose a very significant increase in the probability of being involved in an occupational accident, above the other variables of study.
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Cely Andrade JL, Garcia Ubaque JC, Manrique Abril FG. Calidad de vida relacionada con la salud en población minera de Boyacá. Rev Salud Publica (Bogota) 2017; 19:362-367. [DOI: 10.15446/rsap.v19n3.56163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 02/03/2017] [Indexed: 11/09/2022] Open
Abstract
Objetivo Evaluar la percepción de calidad de vida en habitantes de zonas mineras de explotación de carbón mineral y zonas agrícolasMateriales y Métodos Estudio de corte trasversal descriptivo en 228 individuos habitantes de municipios de explotación de carbón (n=151) y de municipios con actividades agrícolas (n=78). Quienes respondieron encuesta SF36 y test socio demográfico.Resultados Se encontró que la percepción de la calidad de vida relacionada con la salud es menor en los habitantes del área de explotación del carbón frente a los habitantes de zona agrícola solo con diferencia estadística en la percepción general de la escala y sin diferencia pro cada una de las escalas.Discusión La contaminación generada en zonas de explotación minera de carbón repercute en la salud de las personas y su percepción de calidad de vida, la evidencia es débil al no demostrar diferencias estadísticamente significativas por área en cada subescala y solo se demostró en percepción general.
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Onder S, Mutlu M. Analyses of non-fatal accidents in an opencast mine by logistic regression model - a case study. Int J Inj Contr Saf Promot 2016; 24:328-337. [PMID: 27166178 DOI: 10.1080/17457300.2016.1178299] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Accidents cause major damage for both workers and enterprises in the mining industry. To reduce the number of occupational accidents, these incidents should be properly registered and carefully analysed. This study efficiently examines the Aegean Lignite Enterprise (ELI) of Turkish Coal Enterprises (TKI) in Soma between 2006 and 2011, and opencast coal mine occupational accident records were used for statistical analyses. A total of 231 occupational accidents were analysed for this study. The accident records were categorized into seven groups: area, reason, occupation, part of body, age, shift hour and lost days. The SPSS package program was used in this study for logistic regression analyses, which predicted the probability of accidents resulting in greater or less than 3 lost workdays for non-fatal injuries. Social facilities-area of surface installations, workshops and opencast mining areas are the areas with the highest probability for accidents with greater than 3 lost workdays for non-fatal injuries, while the reasons with the highest probability for these types of accidents are transporting and manual handling. Additionally, the model was tested for such reported accidents that occurred in 2012 for the ELI in Soma and estimated the probability of exposure to accidents with lost workdays correctly by 70%.
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Affiliation(s)
- Seyhan Onder
- a Department of Mining Engineering , Eskişehir Osmangazi University , Eskisehir , Turkey
| | - Mert Mutlu
- b Department of Mining Engineering , Aksaray University , Aksaray , Turkey
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Rommel A, Varnaccia G, Lahmann N, Kottner J, Kroll LE. Occupational Injuries in Germany: Population-Wide National Survey Data Emphasize the Importance of Work-Related Factors. PLoS One 2016; 11:e0148798. [PMID: 26859560 PMCID: PMC4747528 DOI: 10.1371/journal.pone.0148798] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 01/22/2016] [Indexed: 12/12/2022] Open
Abstract
Unintentional injuries cause much of the global mortality burden, with the workplace being a common accident setting. Even in high-income economies, occupational injury figures remain remarkably high. Because risk factors for occupational injuries are prone to confounding, the present research takes a comprehensive approach. To better understand the occurrence of occupational injuries, sociodemographic factors and work- and health-related factors are tested simultaneously. Thus, the present analysis aims to develop a comprehensive epidemiological model that facilitates the explanation of varying injury rates in the workplace. The representative phone survey German Health Update 2010 provides information on medically treated occupational injuries sustained in the year prior to the interview. Data were collected on sociodemographics, occupation, working conditions, health-related behaviors, and chronic diseases. For the economically active population (18-70 years, n = 14,041), the 12-month prevalence of occupational injuries was calculated with a 95% confidence interval (CI). Blockwise multiple logistic regression was applied to successively include different groups of variables. Overall, 2.8% (95% CI 2.4-3.2) of the gainfully employed population report at least one occupational injury (women: 0.9%; 95% CI 0.7-1.2; men: 4.3%; 95% CI 3.7-5.0). In the fully adjusted model, male gender (OR 3.16) and age 18-29 (OR 1.54), as well as agricultural (OR 5.40), technical (OR 3.41), skilled service (OR 4.24) or manual (OR 5.12), and unskilled service (OR 3.13) or manual (OR 4.97) occupations are associated with higher chances of occupational injuries. The same holds for frequent stressors such as heavy carrying (OR 1.78), working in awkward postures (OR 1.46), environmental stress (OR 1.48), and working under pressure (OR 1.41). Among health-related variables, physical inactivity (OR 1.47) and obesity (OR 1.73) present a significantly higher chance of occupational injuries. While the odds for most work-related factors were as expected, the associations for health-related factors such as smoking, drinking, and chronic diseases were rather weak. In part, this may be due to context-specific factors such as safety and workplace regulations in high-income countries like Germany. This assumption could guide further research, taking a multi-level approach to international comparisons.
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Affiliation(s)
- Alexander Rommel
- Robert Koch Institute, Epidemiology and Health Monitoring, General-Pape-Str. 62-66, 12101, Berlin, Germany
| | - Gianni Varnaccia
- Robert Koch Institute, Epidemiology and Health Monitoring, General-Pape-Str. 62-66, 12101, Berlin, Germany
| | - Nils Lahmann
- Charité-Universitätsmedizin Berlin, Institute of Health Sciences Education and Nursing, Augustenburger Platz 1, 13353, Berlin, Germany
| | - Jan Kottner
- Charité-Universitätsmedizin Berlin, Clinical Research Center for Hair and Skin Science, Charitéplatz 1, 10117, Berlin, Germany
| | - Lars Eric Kroll
- Robert Koch Institute, Epidemiology and Health Monitoring, General-Pape-Str. 62-66, 12101, Berlin, Germany
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Chau K. Impact of sleep difficulty on single and repeated injuries in adolescents. ACCIDENT; ANALYSIS AND PREVENTION 2015; 81:86-95. [PMID: 25956610 DOI: 10.1016/j.aap.2015.04.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 03/18/2015] [Accepted: 04/26/2015] [Indexed: 05/12/2023]
Abstract
Injuries are frequent and may be caused by sleep difficulty in youth. This study assessed the impact of sleep difficulty on single and repeated school and out-of-school injuries and the confounding role of socioeconomic factors and school, behaviour and health-related difficulties among adolescents. The study population included 1559 middle-school adolescents from north-eastern France (mean age 13.5, SD 1.3) who completed at the end of school year a self-administered questionnaire to gather school and out-of-school injuries during the school year, and to assess sleep difficulty and previous injury risk factors which were socioeconomic factors (family structure, parents' education, father's occupation, and family income), school performance, obesity, alcohol/tobacco/cannabis/hard drugs use, health status, psychological health, and involvement-in-violence. For sleep difficulty and behaviour and health-related difficulties their first occurring over adolescent's life course was gathered. Multinomial logistic regression models were used retaining only sleep difficulty and other risk factors which had started before the school year (thus before the injuries studied). School and out-of-school injuries and sleep difficulty were frequent. The adolescents with sleep difficulty without medical treatment had a higher risk of single school and out-of-school injuries (gender-age-adjusted odds ratio gaOR 1.86 and 1.76, respectively) and a much higher risk of repeated school and out-of-school injuries (≥2 injuries; gaOR 2.43 and 3.73, respectively). The adolescents with persistent sleep difficulty despite a medical treatment also had a higher risk of single school and out-of-school injury (gaOR 2.31 and 1.78, respectively), and a much higher risk of repeated school and out-of-school injuries (gaOR 4.92 and 4.36, respectively). Socioeconomic factors had a moderate contribution (<27%) while school, behaviour and health-related difficulties had a high contribution (reaching 71%) to the association between sleep difficulty and single/repeated injuries. The role of these factors differed between single/repeated school/out-of-school injuries. Injury prevention should focus on screening and monitoring sleep difficulty and previous difficulties, especially among adolescents with socioeconomic difficulties, via physician-parent-school-adolescent collaborations.
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Affiliation(s)
- Kénora Chau
- Lorraine University, Faculty of Medicine, Département de Médecine Générale, 9 Avenue de la Forêt de Haye, CS 50184, F-54505 Vandoeuvre-lès-Nancy Cedex, France.
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