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Man H, Rueda J, Vega J, Vinstrup J, Andersen LL, Navarro E. Identification of physically demanding work tasks among cleaners: field study using electromyography. Ann Work Expo Health 2024:wxae053. [PMID: 38913853 DOI: 10.1093/annweh/wxae053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 05/30/2024] [Indexed: 06/26/2024] Open
Abstract
While chronic forearm pain is a common and debilitating condition among cleaners, the most physically demanding tasks remain unidentified. The present field study examines forearm muscle activity during 9 common cleaning tasks in a real working environment. Seven healthy cleaners participated in this study (age: 35.17 ± 9.62 yr; height: 168.17 ± 8.06 cm; weight: 77.14 ± 13.78 kg; experience: 5.60 ± 3.29 yr). Surface wireless electromyography (EMG) was recorded from 2 muscles on both sides of the upper limb, flexor carpi ulnaris (FCU), and extensor carpi radialis (ECR), and normalized to maximal voluntary isometric contractions (MVIC). Top-3 demanding high-force tasks (90th percentile EMG) were the rough floor, dirty rough floor, and office floor mopping for the FCU, and mopping high walls, ceiling mopping, and baize cleaning for the ECR. Top-3 static work tasks (10th percentile EMG) were mopping low walls, ceiling mopping, and dirty rough floors mopping for the FCU and mopping of high walls, low walls, and ceiling for the ECR. The study identified the forearm muscles' most physically demanding work tasks during cleaning tasks. The development of better working tools is recommended to avoid high-force overload as well as prolonged static overload of these muscles in cleaners.
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Affiliation(s)
- Hao Man
- Universidad Politécnica de Madrid, Departamento de Salud y Rendimiento Humano, C/ de Martín Fierro, 7, Madrid 28040, Spain
| | - Javier Rueda
- Universidad Politécnica de Madrid, Departamento de Salud y Rendimiento Humano, C/ de Martín Fierro, 7, Madrid 28040, Spain
| | - Jesús Vega
- Geseme SL, Departamento de Biomecánica y Salud Laboral, C. d'Aragó, 25, Barcelona 08015, Spain
| | - Jonas Vinstrup
- National Research Centre for the Working Environment, Department of Ergonomic Working Environment, Lersø Parkallé 105, 2100 Copenhagen, Denmark
| | - Lars L Andersen
- National Research Centre for the Working Environment, Department of Ergonomic Working Environment, Lersø Parkallé 105, 2100 Copenhagen, Denmark
| | - Enrique Navarro
- Universidad Politécnica de Madrid, Departamento de Salud y Rendimiento Humano, C/ de Martín Fierro, 7, Madrid 28040, Spain
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Tolera ST, Assefa N, Gobena T. Global prevalence of musculoskeletal disorders among sanitary workers: a systematic review and meta-analysis. INTERNATIONAL JOURNAL OF OCCUPATIONAL SAFETY AND ERGONOMICS 2024; 30:238-251. [PMID: 38083826 DOI: 10.1080/10803548.2023.2293390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2024]
Abstract
Objectives. Sanitary workers are more likely to experience musculoskeletal disorders (MSDs) due to a lack of ergonomics principles and poor job design. Thus, this systematic review and meta-analysis aimed to quantify MSDs among sanitary workers. Methods. The PRISMA and PICOS protocols were used for flow diagrams and review questions, respectively. Articles published between 2000 and 2022 were eligible. The keywords '(Musculoskeletal Disorders) AND (Solid waste collectors *OR Street sweepers *OR Sewage workers *OR health facilities cleaners)' and MeSH terms were utilized. The data were analyzed using STATA version 17 with a 95% confidence interval (CI). Results. A total of 158 papers were qualified, with 26 studies from 17 countries and a total of 6586 sanitary workers. The global prevalence of MSDs among sanitation workers was 40.52% (95% CI [32.47, 48.67]; p < 0.05). It was 43.32% (95% CI [31.98, 54.68]; p < 0.05) in high-income countries and 38.58% (95% CI [26.94, 50.18]; p < 0.05) in low-income countries. By subgroup analysis, it was 45.12% (95% CI [32.57, 57.67]; p < 0.05) for solid waste collectors, which is the highest prevalence among other workers. Conclusion. Current evidence shows that sanitation workers have a higher prevalence of occupationally associated MSDs, which might be lowered by using ergonomic work design principles.
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Affiliation(s)
- Sina T Tolera
- Haramaya University College of Health and Medical Sciences, Ethiopia
| | - Nega Assefa
- Haramaya University College of Health and Medical Sciences, Ethiopia
| | - Tesfaye Gobena
- Haramaya University College of Health and Medical Sciences, Ethiopia
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Lee W, Yragui NL, Anderson NJ, Howard N, Lin JH, Bao S. The job demand-control-support model and work-related musculoskeletal complaints in daytime and nighttime janitors: The mediating effect of burnout. APPLIED ERGONOMICS 2022; 105:103836. [PMID: 35777183 DOI: 10.1016/j.apergo.2022.103836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 06/02/2022] [Accepted: 06/18/2022] [Indexed: 06/15/2023]
Abstract
Janitors' jobs require repetitive work with low control (skill discretion, decision authority) and social support. Previous studies have found this constellation of work conditions leads to high stress levels. This study investigated the relationships among job demand-control-support, burnout, and musculoskeletal symptoms for commercial janitors in Washington State. Structural equation modeling was performed using data from 208 participants with analyses comparing models of daytime and nighttime janitors. Burnout fully mediated the relationship between job demands and musculoskeletal complaints among daytime janitors. Among nighttime janitors, burnout mediated between job demands, job control, and social support, and musculoskeletal complaints. The nighttime janitors' model was more fully supported compared to the daytime model. This study is one of a small number that examine and bring attention to the importance of janitors' burnout. Recommendations to improve the psychosocial work environment toward mitigating burnout and reducing musculoskeletal complaints are provided.
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Affiliation(s)
- Wonil Lee
- Safety & Health Assessment & Research for Prevention (SHARP) Program, Washington State Department of Labor and Industries, Olympia, WA, USA.
| | - Nanette L Yragui
- Safety & Health Assessment & Research for Prevention (SHARP) Program, Washington State Department of Labor and Industries, Olympia, WA, USA.
| | - Naomi J Anderson
- Safety & Health Assessment & Research for Prevention (SHARP) Program, Washington State Department of Labor and Industries, Olympia, WA, USA.
| | - Ninica Howard
- Safety & Health Assessment & Research for Prevention (SHARP) Program, Washington State Department of Labor and Industries, Olympia, WA, USA.
| | - Jia-Hua Lin
- Safety & Health Assessment & Research for Prevention (SHARP) Program, Washington State Department of Labor and Industries, Olympia, WA, USA.
| | - Stephen Bao
- Safety & Health Assessment & Research for Prevention (SHARP) Program, Washington State Department of Labor and Industries, Olympia, WA, USA.
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Lin JH, Lee W, Smith CK, Yragui NL, Foley M, Shin G. Cleaning in the 21st Century: The musculoskeletal disorders associated with the centuries-old occupation - A literature review. APPLIED ERGONOMICS 2022; 105:103839. [PMID: 35809429 DOI: 10.1016/j.apergo.2022.103839] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 06/13/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
Workers performing cleaning duties experience higher injury rates, especially in the form of musculoskeletal disorders (MSDs), than other industries. It is essential to understand the inherent risks associated with the nature of this occupation. Based on the Balance Theory (Smith & Carayon-Sainfort, 1989), this review surveys the current literature, especially those published since the previous review paper (Kumar & Kumar, 2008), and identifies which elements contributing to MSD risks were examined: task, technology, organization, environment, individual, and their interactions. Thirty-nine research papers published between 2005 and 2021 are identified and summarized. Among these papers, task and individual elements received the most attention, at 42 and 34 occurrences, respectively. The interaction elements of technology-organization, technology-environment, and organization-environment received less than three mentions. The goal of this literature review is to update the knowledge base and identify current trends for the cleaning occupation. Possible interventions for risk reduction and future research directions are suggested.
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Affiliation(s)
- Jia-Hua Lin
- Safety and Health Assessment and Research for Prevention (SHARP), Washington State Department of Labor and Industries, WA, USA.
| | - Wonil Lee
- Safety and Health Assessment and Research for Prevention (SHARP), Washington State Department of Labor and Industries, WA, USA
| | - Caroline K Smith
- Safety and Health Assessment and Research for Prevention (SHARP), Washington State Department of Labor and Industries, WA, USA
| | - Nanette L Yragui
- Safety and Health Assessment and Research for Prevention (SHARP), Washington State Department of Labor and Industries, WA, USA
| | - Michael Foley
- Safety and Health Assessment and Research for Prevention (SHARP), Washington State Department of Labor and Industries, WA, USA
| | - Gwanseob Shin
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, South Korea
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González Fuentes A, Busto Serrano NM, Sánchez Lasheras F, Fidalgo Valverde G, Suárez Sánchez A. Work-related overexertion injuries in cleaning occupations: An exploration of the factors to predict the days of absence by means of machine learning methodologies. APPLIED ERGONOMICS 2022; 105:103847. [PMID: 35917696 DOI: 10.1016/j.apergo.2022.103847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/05/2022] [Accepted: 07/07/2022] [Indexed: 06/15/2023]
Abstract
The special characteristics of the cleaning industry have an important impact on the health and safety of its workforce. Making use of data from more than 79,000 occupational accidents, the aim of the present research is to use machine learning techniques to develop a model to predict incapacity for work (expressed in days of absence) due to work-related overexertion injuries among service sector cleaners in Spain. The severity of accidents caused by overexertion depends on several factors that can be classified into the following categories: injury typology, individual factors, employment conditions, accident circumstances and health and safety management and standards in the company.
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Affiliation(s)
- Aroa González Fuentes
- School of Mining, Energy and Materials Engineering of Oviedo, University of Oviedo, Spain.
| | | | - Fernando Sánchez Lasheras
- Department of Mathematics, University of Oviedo, 33007, Oviedo, Spain; Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), University of Oviedo, 33004, Oviedo, Spain.
| | - Gregorio Fidalgo Valverde
- Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), University of Oviedo, 33004, Oviedo, Spain; Department of Business Management, University of Oviedo, 33004, Oviedo, Spain.
| | - Ana Suárez Sánchez
- Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), University of Oviedo, 33004, Oviedo, Spain; Department of Business Management, University of Oviedo, 33004, Oviedo, Spain.
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Chen YH, Yeh CJ, Lee CM, Jong GP. Mediation Effect of Musculoskeletal Pain on Burnout: Sex-Related Differences. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:12872. [PMID: 36232174 PMCID: PMC9566025 DOI: 10.3390/ijerph191912872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 10/02/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Burnout occurs when people are exposed to emotionally demanding work situations over an extended period, resulting in physical, emotional, and mental exhaustion. This study adopted the personal burnout (PB) and work-related burnout (WB) scales of the Copenhagen Burnout Inventory to measure burnout levels. Musculoskeletal (MS) pain is one factor influencing burnout. Previous studies have demonstrated that male and female hormones may contribute to sex-related differences in MS pain. This was an observational and cross-sectional study conducted at a medical-university-affiliated hospital in Taichung, Taiwan, in 2021. Data were collected for demographic characteristics, family structure, living habits, occupation, physical health, Nordic Musculoskeletal Questionnaire score, and Copenhagen Burnout Inventory score. Of the 2531 questionnaires that were distributed, 1615 (63.81%) valid questionnaires remained after those with missing data were excluded. The results demonstrated neck and shoulder pain (NBSP) is commonly associated with burnout among healthcare workers, with a higher prevalence among women than among men. With confounders being controlled for, women were found to experience substantially higher levels of personal and work-related burnout than men did. NBSP is a mediating factor; therefore, it is a key reason why women are more likely than men to experience burnout.
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Affiliation(s)
- Yong-Hsin Chen
- Department of Public Health, Chung Shan Medical University, Taichung 402, Taiwan
- Department of Occupational Safety and Health, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Chih-Jung Yeh
- Department of Public Health, Chung Shan Medical University, Taichung 402, Taiwan
| | - Chun-Ming Lee
- Department of Internal Medicine, St. Joseph’s Hospital, Yunlin 632, Taiwan
| | - Gwo-Ping Jong
- Department of Internal Medicine, Chung Shan Medical University Hospital, Chung Shan Medical University, Taichung 402, Taiwan
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Yang CL, Huang WP, Lin WY, Tseng PC, Kuo HW. Job-related stress associated with work-related upper extremity musculoskeletal disorders (UEMDs) in municipal waste collectors: the moderation and mediation effect of job support. BMC Musculoskelet Disord 2022; 23:762. [PMID: 35948898 PMCID: PMC9364533 DOI: 10.1186/s12891-022-05721-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 08/02/2022] [Indexed: 11/10/2022] Open
Abstract
Background Since the policy of “keeping trash off of the ground” in Taiwan, long-term exposure to repetitive motion in waste collection process results in high risk of upper extremity musculoskeletal disorders (UEMDs). Thus, we assessed the moderation and mediation effects of job-related stress and job support on work-related UEMDs among municipal waste collectors. Methods A cross-sectional study was conducted in two cities located at northern Taiwan during 2018–2019. 626 municipal waste collectors voluntarily participated and anonymously filled out a structured questionnaire. The moderation and mediation effects of effort-reward imbalance (ERI) and social support on UEMDs were analyzed by Haye’s Process Macro Model. Results Prevalence of UEMDs in municipal waste collectors were 43.4% for neck, 56.0% for shoulder, 24.1% for upper back, and 33.1% for hand/wrist. There was high prevalence of shoulder (72.2%), neck (48%), and upper back (30%) in female workers compared to male, most significantly in shoulders. In univariate and multivariate analysis, high ERI and low job support were significantly associated with ORs of 3.11 (95% CI:1.58–6.13) for elbow, 2.79 (95% CI:1.39–5.56) for shoulder, 3.39 (95% CI:1.64–7.00) for upper back and 3.83 (95% CI:1.98–7.41) for hand/wrist. Prevalent UEMDs were positively associated with high ERI in municipal waste collectors but negatively with job support. The moderation effects of ERI and job support on UEMDs, of which the measured synergy index exceeded one, were 18.24 for shoulder, 3.32 for elbow, and 2.45 for hand/wrist, but mediation effects were not significant. Conclusions This study found municipal waste collectors with work-related upper extremity disorders were significantly associated with work-related psychological risk factors. Therefore, waste collection cannot only to be improved by semi-automatic and automatic processes but immediate intervention programs for the reduction of psychological risk factors is needed promptly.
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Affiliation(s)
- Ching-Lan Yang
- Occupational Medicine Department, Far Eastern Memorial Hospital, Taipei, Taiwan
| | - Wei-Ping Huang
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, 155, Sec.2, Linong Street, 112, Taipei, Taiwan
| | - Wen-Yu Lin
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, 155, Sec.2, Linong Street, 112, Taipei, Taiwan
| | - Po-Chang Tseng
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, 155, Sec.2, Linong Street, 112, Taipei, Taiwan.,Health Promotion Administration, Ministry of Health and Welfare, Taipei, Taiwan
| | - Hsien-Wen Kuo
- Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, 155, Sec.2, Linong Street, 112, Taipei, Taiwan. .,Institute of Public Health, National Defense University, Taipei, Taiwan.
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Artiga O, Bucy A, Qiu R, Cramer E, Raney M. Functional training improves the effectiveness of stretching programs for university cleaning staff. INTERNATIONAL JOURNAL OF WORKPLACE HEALTH MANAGEMENT 2022. [DOI: 10.1108/ijwhm-05-2021-0112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PurposeThe purpose of this study was to determine whether combining a structured stretching program with functional movement/body position training would yield additive effects on flexibility, ergonomic practices, and subjective pain levels for employees at high risk for work-related musculoskeletal disorders.Design/methodology/approachNine control and 13 experimental university cleaning staff participated in a 10-week full-body stretching intervention led by undergraduate students. Experimental participants also engaged in functional movement/body position training once per week. Joint range of motion, task ergonomic form, pain level, and stretching motivation results were compared pre- and post-intervention.FindingsOverall flexibility (+25.75 ± 3.33%) and task ergonomic form (+26.3 ± 10.5%) significantly improved and were negatively correlated with pain levels (r = −0.541 and r = −0.317, respectively). Experimental participants experienced greater improvements in shoulder (control: +16.8 ± 9.0%; experimental: +64.2 ± 11.5%) and hip (control: +31.4 ± 9.9%; experimental: +91.2 ± 19.9%) flexibility as well as in task-specific ergonomic form for vertical (control: +0.0 ± 5.3%; experimental: +35.2 ± 10.1%) and horizontal wiping (control: −4.7 ± 4.7%; experimental: +29.0 ± 7.8%). Intrinsic motivation was increased for both groups (+26.2 ± 15.4%).Originality/valueSupplementing a workplace stretching program with functional movement/body position training has the potential to improve flexibility and decrease pain while simultaneously increasing the likelihood that cleaning staff will participate in self-directed stretching in the future. The intervention serves as a model for workplace health management and wellness-focused community building on university campuses who insource cleaning staff.
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Barriers and Facilitators of Implementing Injury Prevention Practices by Massage Therapists. J Occup Environ Med 2022; 64:443-449. [DOI: 10.1097/jom.0000000000002472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Anderson NJ, Smith CK, Foley MP. Work-related injury burden, workers' compensation claim filing, and barriers: Results from a statewide survey of janitors. Am J Ind Med 2022; 65:173-195. [PMID: 34897753 PMCID: PMC9300089 DOI: 10.1002/ajim.23319] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 11/08/2022]
Abstract
BACKGROUND Janitors are a low-wage, ethnically and linguistically diverse, hard-to-reach population of workers with a high burden of occupational injury and illness. METHODS Data from an extensive multimodal (mail, phone, web) survey of janitors in Washington State were analyzed to characterize their working conditions and occupational health experiences. The survey included questions on demographics, work organization and tasks, health and safety topics, and discrimination and harassment. The survey was administered in eight languages. RESULTS There were 620 complete interviews. The majority completed the survey by mail (62.6%), and in English (85.8%). More than half of responding janitors were female (56.9%), and the mean age was 45 years. Twenty percent reported having a (health-care-provider diagnosed) work-related injury or illness (WRII) in the past twelve months. Women and janitors who were Latino had significantly higher relative risk of WRII. Increased risk was also associated with several work organization factors that may indicate poor working conditions, insufficient sleep, and possible depression. Half of injured janitors did not file workers' compensation (WC) claims. CONCLUSIONS Janitors reported a high percentage of WRII, which exceeded previously published estimates from Washington State. Women and Latino janitors had significantly increased risk of WRII, and janitors' working conditions may influence the unequal distribution of risk. WRII surveillance via WC or medical care usage in janitors and other low-wage occupations may reflect substantial underreporting. Characterizing the nature of janitors' work experience can help identify avenues for prevention, intervention, and policy changes to protect the health and safety of janitors.
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Affiliation(s)
- Naomi J. Anderson
- Washington State Department of Labor & Industries Olympia Washington USA
| | - Caroline K. Smith
- Washington State Department of Labor & Industries Olympia Washington USA
| | - Michael P. Foley
- Washington State Department of Labor & Industries Olympia Washington USA
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Lim MC, Lukman KA, Giloi N, Lim JF, Avoi R, Syed Abdul Rahim SS, Jeffree MS. Prevalence of upper limb musculoskeletal disorders and its associated risk factors among janitorial workers: A cross-sectional study. Ann Med Surg (Lond) 2022; 73:103201. [PMID: 35070282 PMCID: PMC8767232 DOI: 10.1016/j.amsu.2021.103201] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/14/2021] [Accepted: 12/18/2021] [Indexed: 11/26/2022] Open
Abstract
Introduction Methods Results Conclusions WRMSDs is one of the causes of disability globally with significant economic impact. The prevalence of WRMSDs among janitorial workers in university setting is scarce. Regular screening is essential for monitoring the progress of severity of musculoskeletal symptoms. WRMSDs surveillance will be beneficial for improvement of work procedures and practices.
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Mengistu DA, Gutema GD, Demmu YM, Alemu A, Asefa YA. Occupational-Related Upper and Lower Extremity Musculoskeletal Pain Among Working Population of Ethiopia: Systematic Review and Meta-Analysis. INQUIRY: THE JOURNAL OF HEALTH CARE ORGANIZATION, PROVISION, AND FINANCING 2022; 59:469580221088620. [PMID: 35574938 PMCID: PMC9121504 DOI: 10.1177/00469580221088620] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background: Currently, work-related musculoskeletal disorders are a significant public health concern and are a leading cause of disability-adjusted life years and reduced quality of life worldwide. In developing countries, including Ethiopia, as a result of poor occupational health and safety practices and underreporting of the problems, work-related musculoskeletal disorders have been increased, remaining less prioritized, and there is no adequate evidence on the prevalence of musculoskeletal disorders. Thus, the current study aimed to determine and provide the overall prevalence of occupational-related upper and lower extremity musculoskeletal pain among the working population of Ethiopia. Methods The current study considered full-text articles conducted in Ethiopia, written in English, and published from 2017 to 2020. Ten electronic databases: PubMed/MEDLINE, Web of Science, SCOPUS, Google Scholar, MedNar, Embase, CINAHL, Cochrane Library, African Index Medicus, and African Journals Online database were used to search the articles using a combination of Boolean logic operators (AND, OR, and NOT), Medical Subject Headings, and main keywords. The quality assessment of the articles was performed using the Joanna Briggs Institute Critical Appraisal tools to determine the relevance of the article to the current study. Results: Of the 1377 articles identified from the included electronic databases, 12 studies were included in the systematic review and meta-analysis. The study found that the pooled prevalence of occupational-related elbow pain, wrist/hand pain, knee/leg pain, foot/ankle pain, and hip/thigh pain in the previous one year was 19.7% (95% CI: 12.3, 30.1), 24.2% (95% CI: 17.4, 32.7), 25.0% (95% CI: 18.5, 32.8), 20.2% (95% CI: 12.8, 30.4), and 15.5% (95% CI: 9.9, 23.4), respectively. Based on a subgroup analysis, the last year’s pooled prevalence of occupational-related elbow, wrist/hand, knee/leg, foot/ankle, and hip/thigh pain was increased to 33.7% [95% CI: 31.9, 35.5], 29.7% [95% CI: 28.2, 31.2], 31.5% [95% CI: 29.9, 33.2], 30.6% [95% CI: 29.0, 32.4], and 27.3% [95% CI: 25.5, 29.2], respectively. Conclusion: Occupational-related musculoskeletal disorders continue to have a potential impact on workers’ health and productivity. The current study found that the overall pooled prevalence of occupational-related upper and lower extremity musculoskeletal disorders in the last year ranged from 15.5 to 33.7%. Implementing occupational health and safety measures play an important role in preventing work-related musculoskeletal disorders and other occupational hazards.
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Affiliation(s)
- Dechasa Adare Mengistu
- Department of Environmental Health, College of Health and Medical Science, Haramaya University, Harar, Ethiopia
| | - Gebisa Dirirsa Gutema
- Department of Environmental Health, College of Health and Medical Science, Haramaya University, Harar, Ethiopia
| | - Yohannes Mulugeta Demmu
- Department of Environmental Health, College of Health and Medical Science, Haramaya University, Harar, Ethiopia
| | - Addisu Alemu
- School of Public Health, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia
| | - Yohanis Alemeshet Asefa
- Department of Environmental Health, College of Health and Medical Science, Haramaya University, Harar, Ethiopia
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Maurer-Grubinger C, Haenel J, Fraeulin L, Holzgreve F, Wanke EM, Groneberg DA, Ohlendorf D. The movement profile of trunk and neck during habitual vacuuming. Sci Rep 2021; 11:20401. [PMID: 34650152 PMCID: PMC8516980 DOI: 10.1038/s41598-021-99664-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 09/20/2021] [Indexed: 11/10/2022] Open
Abstract
Musculoskeletal disorders of the trunk and neck are common among cleaners. Vacuum cleaning is a demanding activity. The aim of this study was to present the movement profile of the trunk and neck during habitual vacuuming. The data were collected from 31 subjects (21f./10 m) using a 3D motion analysis system (Xsens). 10 cycles were analysed in vacuuming PVC and carpet floors with 8 vacuum cleaners. The joint angles and velocities were represented statistically descriptive. When vacuuming, the trunk is held in a forwardly inclined position by a flexion in the hip and rotated from this position. In the joint angles and velocities of the spine, the rotation proved to be dominant. A relatively large amount of movement took place in the cervical spine and also in the lumbar spine. The shown movement profile is rather a comfort area of vacuuming which may serve as a reference for ergonomics in vacuuming.
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Affiliation(s)
- C Maurer-Grubinger
- Center of for Health Sciences, Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt Am Main, Theodor-Stern-Kai 7, Building 9B, 60590, Frankfurt am Main, Germany
| | - J Haenel
- Center of for Health Sciences, Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt Am Main, Theodor-Stern-Kai 7, Building 9B, 60590, Frankfurt am Main, Germany
| | - L Fraeulin
- Center of for Health Sciences, Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt Am Main, Theodor-Stern-Kai 7, Building 9B, 60590, Frankfurt am Main, Germany
| | - F Holzgreve
- Center of for Health Sciences, Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt Am Main, Theodor-Stern-Kai 7, Building 9B, 60590, Frankfurt am Main, Germany.
| | - E M Wanke
- Center of for Health Sciences, Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt Am Main, Theodor-Stern-Kai 7, Building 9B, 60590, Frankfurt am Main, Germany
| | - D A Groneberg
- Center of for Health Sciences, Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt Am Main, Theodor-Stern-Kai 7, Building 9B, 60590, Frankfurt am Main, Germany
| | - D Ohlendorf
- Center of for Health Sciences, Institute of Occupational, Social and Environmental Medicine, Goethe-University Frankfurt Am Main, Theodor-Stern-Kai 7, Building 9B, 60590, Frankfurt am Main, Germany
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Laithaisong T, Aekplakorn W, Suriyawongpaisal P, Tupthai C, Wongrathanandha C. The prevalence and risk factors of musculoskeletal disorders among subcontracted hospital cleaners in Thailand. JOURNAL OF HEALTH RESEARCH 2021. [DOI: 10.1108/jhr-01-2021-0040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Purpose
This research aimed to explore the prevalence of musculoskeletal disorders (MSDs) and related factors among subcontracted cleaners in a teaching hospital in Thailand.
Design/methodology/approach
A cross-sectional study was conducted of 393 subcontracted cleaners in a teaching hospital, from May to June 2020. Face-to-face interviews were carried out using a standard questionnaire, consisting of four parts: (1) participant characteristics, (2) stress test, (3) work characteristics and (4) standardized Nordic questionnaire, Thai version, for MSDs outcome. Multiple logistic regression analyses were performed to determine the association between MSDs and related factors.
Findings
The prevalence of MSDs was 81.9%, involving mostly the lower back (57.7%), followed by the shoulder (52.6%). Factors significantly associated with MSDs were as follows: male gender (OR = 3.06, 95% CI [1.19, 7.87]), severe stress (OR = 2.72, 95% CI [1.13, 6.54]), history of injuries (OR = 4.37, 95% CI [1.27, 15.11]), mopping posture (OR = 2.81, 95% CI [1.43, 5.50]) and task duration (OR = 1.90, 95% CI [1.01, 3.57] for 2–4 h and OR = 3.39, 95% CI [1.17, 9.86] for more than 4 h). Sick leave due to MSDs was associated with history of injuries, Thai nationality and having another part-time job.
Originality/value
The study findings about MSDs in terms of prevalence and related factors contributed to limited pool of the knowledge among subcontracted hospital cleaners in Thailand and middle-income country settings. With growing popularity in outsourcing cleaning services among hospitals in these countries, the study findings could raise a concern and inform policymakers and hospital administrators the importance of the magnitude and risk factors for MSDs necessitating design of preventive strategies.
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The Movement Profile of Habitual Vacuuming as a Cyclic Movement-A Pilot Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17238793. [PMID: 33256134 PMCID: PMC7731002 DOI: 10.3390/ijerph17238793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/18/2020] [Accepted: 11/23/2020] [Indexed: 11/17/2022]
Abstract
Background: Vacuum cleaning, which is associated with musculoskeletal complaints, is frequently carried out in private households and by professional cleaners. The aim of this pilot study was to quantify the movements during habitual vacuuming and to characterize the movement profile with regard to its variability. Methods: The data were collected from 31 subjects (21 f/10 m) using a 3D motion analysis system (XSens). Eight vacuum cleaners were used to vacuum polyvinyl chloride (PVC) and carpet floors. In 15 joints of the right upper extremity, the trunk and the lower extremities, Principal Component Analysis was used to determine the predominantly varying joints during vacuuming. Results: The movements of the trunk and the lower extremities were relatively constant and, therefore, had less influence. The shoulder, elbow and wrist joints were identified as joints that can be decisive for the movement profile and that can be influenced. These joints were represented in the course of the vacuuming cycle by the mean movement with its standard deviation. Conclusion: In summary, the generalization of a movement profile is possible for the trunk and the lower extremities due to the relative homogeneity. In future it will be necessary to identify factors influencing variability in order to draw conclusions about movement ergonomics.
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van Eck D, Dobusch L, van den Brink M. The organizational inclusion turn and its exclusion of low-wage labor. ORGANIZATION 2020. [DOI: 10.1177/1350508420966743] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
As most scholarly work on the conceptualization of organizational inclusion seems to be implicitly based on contexts of high-wage labor, this article investigates whether the common themes of organizational inclusion as identified by Shore et al. (2018) also align with the low-wage labor context. Our respective analysis identifies several mismatches between the current conceptualizations of organizational inclusion and the needs and interests of low-wage workers. Consequently, we offer suggestions for adapting these conceptualizations: by paying attention to (1) material and physical safety next to psychological safety, (2) opportunities of non-task-oriented involvement in the workgroup and (3) the recognition and accommodation of low-wage workers’ voices and needs. Furthermore, we argue to extend the scope of scholarly work on organizational inclusion by taking into account the broader (historical) social order and different stakeholders who influence the organizational processes of inclusion and exclusion. By engaging with the current “inclusion turn” and providing adaptations, this article contributes to a less “exclusive” conception of organizational inclusion as well as outlines where the organizational inclusion approach might come up against its own limits.
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Using Behavioral Risk Factor Surveillance System Data as an Occupational Health Profile: Washington State Janitors, 2011 to 2017. J Occup Environ Med 2020; 61:747-753. [PMID: 31233009 DOI: 10.1097/jom.0000000000001652] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Janitorial workers have a high burden of occupational injury and illness, but little information exists on their overall health. METHODS Data from the Washington State Behavioral Risk Factor Surveillance System (BRFSS) were analyzed to characterize the working population of Janitors in Washington State from 2011 to 2017 (n = 490) as compared with all other workers (n = 38,885). RESULTS Compared with other workers, Janitors were significantly more diverse, had lower socioeconomic status, and reported poorer general health and higher rates of arthritis and depression. Janitors were less likely to have adequate sleep, health insurance, and access to technology. Janitors reported higher rates of smoking and marijuana use. CONCLUSIONS Multiple risk factors compound the vulnerability of Janitors. BRFSS data can be used to characterize the health of occupational groups. Identifying overall health needs can better inform policy and help formulate strategies to improve workers' health.
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Melese H, Gebreyesus T, Alamer A, Berhe A. Prevalence and Associated Factors of Musculoskeletal Disorders Among Cleaners Working at Mekelle University, Ethiopia. J Pain Res 2020; 13:2239-2246. [PMID: 32982386 PMCID: PMC7490036 DOI: 10.2147/jpr.s263319] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 08/25/2020] [Indexed: 11/23/2022] Open
Abstract
Background Musculoskeletal disorder is a common cause of morbidity, disability, and poor quality-of-life. Its burden among cleaners in developed countries ranges from 56–90%. However, there are a lack of studies in developing countries, particularly in the study area. Thus, the result of this study will help to resolve health problems caused by musculoskeletal disorders among cleaners. Purpose The objective of this study was to identify the prevalence and associated factors of musculoskeletal disorders among cleaners working at Mekelle University. Materials and Methods An institutional-based cross-sectional study was conducted on 270 cleaners. Simple random sampling was used to select the study participants. Data were collected through interview using the standard Nordic Musculoskeletal Questionnaire. Descriptive statistics and bivariate logistic regression were done to identify factors associated with musculoskeletal disorder. In bivariate logistic regression analysis, variables with a P-value<0.25 were modeled to multivariate analysis. Variables with a P-value≤0.05 with 95% confidence interval (CI) in multivariate model were taken as statistically significant. Finally, AOR with 95% CI at a P-value<0.05 was reported. Results This study found that the prevalence of musculoskeletal disorders among cleaners was 52.3% in the past 12 months and 31.8% in the last 7 days. Time pressure (AOR=3.25, 95% CI=1.08–9.77), work experience (AOR=2.49, 95% CI=1.12–5.52), feeling exhausted (AOR=2.68, 95% CI=1.16–6.20), working hours per day (AOR=3.55, 95% CI=1.54–8.20), awkward posture (AOR=15.71, 95% CI=6.47–38.17), and those who work more than 2 hours in sustaining position (AOR=8.05, 95% CI=2.25–28.85) showed a statistically significant association with musculoskeletal disorder. Conclusion Musculoskeletal disorders were commonly reported among cleaners working at Mekelle University. Time pressure, work experience, feeling exhausted, working hours per day, awkward posture, and working >2 hours in sustaining position were statistically significant in their association with musculoskeletal disorders.
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Affiliation(s)
- Haimanot Melese
- Department of Physiotherapy, School of Medicine, College of Health Sciences, Ayder Comprehensive Specialized Hospital, Mekelle University, Mekelle, Ethiopia
| | - Tsiwaye Gebreyesus
- Department of Physiotherapy, School of Medicine, College of Health Sciences, Ayder Comprehensive Specialized Hospital, Mekelle University, Mekelle, Ethiopia
| | - Abayneh Alamer
- Department of Physiotherapy, School of Medicine, College of Health Sciences, Ayder Comprehensive Specialized Hospital, Mekelle University, Mekelle, Ethiopia
| | - Awtachew Berhe
- Department of Biostatistics, School of Public Health, College of Health Sciences, Mekelle University, Mekelle, Ethiopia
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Sotrate Gonçalves J, de Oliveira Sato T. Factors associated with musculoskeletal symptoms and heart rate variability among cleaners - cross-sectional study. BMC Public Health 2020; 20:774. [PMID: 32448172 PMCID: PMC7247127 DOI: 10.1186/s12889-020-08928-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 05/17/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The professionals who perform cleaning activity constitute a major economic sector in Brazil. Cleaners may develop health problems related to the musculoskeletal and cardiovascular systems. It is necessary to understand the working and health conditions of cleaners in Brazil. Thus, the aim of this study was to identify factors associated with musculoskeletal symptoms and heart rate variability (HRV) among cleaners. METHODS A cross-sectional study conducted at a public higher education institution with 45 outsourced cleaners following approval from the institutional ethics committee. The participants answered a questionnaire addressing sociodemographic, occupational and health data, the Nordic Musculoskeletal Questionnaire, the Physical Activity Questionnaire (work and leisure) and the short version of the Copenhagen Psychosocial Questionnaire. Clinical data (height, body mass, waist-to-hip ratio and blood pressure) and heart rate variability (HRV) were also collected. Logistic and linear regression models were created to identify factors associated with symptoms and HRV. RESULTS The sample consisted of women (100%) predominantly older than 50 years of age (44%), without a conjugal life (64%), with three or more children (59%), low educational level (58%) and who worked less than 12 months at the company (87%). Systemic arterial hypertension (23%) was the most reported health problem. The highest frequency of musculoskeletal symptoms was identified in the lower limbs (ankles/feet: 31% in the previous 12 months and 24% in the previous 7 days; knees: 31% in the previous 12 months and 20% in the previous 7 days). Moreover, the workers reported not practicing physical activity during leisure time (84%). Psychosocial aspects indicated health risks for the dimensions "influence at work" (74%), "burnout" (59%) and "stress" (52%). Associations were found between ankle/foot symptoms and body mass index, shoulder symptoms and predictability, and knee symptoms and self-rated health and burnout. HRV indices were associated with age. CONCLUSIONS This study outlined the profile of female cleaners and identified risk factors. The workers exhibited musculoskeletal symptoms, which were associated with the body mass index and some psychosocial factors. HRV indices were associated with age. Thus, health promotion and prevention measures should be taken to benefit this population of workers.
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Affiliation(s)
- Josiane Sotrate Gonçalves
- Physical Therapy Department, Laboratory of Preventive Physical Therapy and Ergonomics (LAFIPE), Physical Therapy Postgraduate Program, Federal University of São Carlos, Rodovia Washington Luís, km 235, Monjolinho, São Carlos, SP, 13565-905, Brazil
| | - Tatiana de Oliveira Sato
- Physical Therapy Department, Laboratory of Preventive Physical Therapy and Ergonomics (LAFIPE), Physical Therapy Postgraduate Program, Federal University of São Carlos, Rodovia Washington Luís, km 235, Monjolinho, São Carlos, SP, 13565-905, Brazil.
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Naik G, Khan MR. Prevalence of MSDs and Postural Risk Assessment in Floor Mopping Activity Through Subjective and Objective Measures. Saf Health Work 2020; 11:80-87. [PMID: 32206377 PMCID: PMC7078562 DOI: 10.1016/j.shaw.2019.12.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 11/26/2019] [Accepted: 12/11/2019] [Indexed: 11/28/2022] Open
Abstract
Background Residential and commercial cleaning is a part of our daily routine to maintain sanitation around the environment. Health care of professionals involved in such cleaning activities has become a major concern all over the world. The present study investigates the risk of musculoskeletal disorders in professional cleaners involved in floor mopping tasks. Methods A cross-sectional study was performed on 132 mopping professionals using a modified Nordic questionnaire. The Pearson correlation test was implemented to study the association of perceived pain with work experience. The muscle strain and postural risk were evaluated by means of three-channel electromyography and real-time motion capture respectively of 15 professionals during floor mopping. Results Regarding musculoskeletal injuries, risk was reported majorly in the right hand, lower back, left wrist, right shoulder, left biceps, and right wrist of the workers. Work experience had a low negative association with MSDs in the left wrist, right wrist, right elbow, lower back, and right lower arm (p < 0.01). Surface EMG showed occurrence of higher muscle activity in upper trapezius and biceps brachii (BB) muscles of the dominant hand and flexor carpi radialis and BB muscles of the nondominant hand positioned at the upper and lower portion of the mop rod, respectively. Conclusion Ergonomic mediations should be executed to lessen the observed risk of musculoskeletal injuries in this professional group of workers.
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Affiliation(s)
| | - Mohammed Rajik Khan
- Department of Industrial Design, National Institute of Technology Rourkela, 769008, Odisha, India
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Wallius MA, Järvelin-Pasanen S, Rissanen SM, Karjalainen PA, Räsänen K. An Overview of Strategies for Reducing Upper Extremity Physical Exposure Associated With Floor Mopping: A Systematic Review. HUMAN FACTORS 2019; 61:43-63. [PMID: 30526083 DOI: 10.1177/0018720818816261] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
OBJECTIVE This systematic review synthesizes literature on upper extremity physical exposure associated with floor mopping, in order to (a) assess the impact of changes in mopping systems on physical exposure and (b) propose recommendations for strategies to reduce exposure. BACKGROUND Floor-cleaning tools and equipment have undergone major improvements. Existing studies have focused on mop design modifications and cleaning efficiency. However, less is known about strain responses caused by modern tools and methods. METHOD Studies from 1987 to February 2017 were identified by electronic and manual search. All selected studies underwent a quality assessment. The evidence was organized into categories representing different strategies for reducing exposure. The levels of evidence were determined using a best evidence synthesis approach. RESULTS Eleven studies were included. Based on the review findings, currently there is moderate evidence suggesting that reduced physical exposure has been achieved through development of mopping systems. Levels of evidence for strategies associated with positive effects on physical exposure were: moderate evidence for mop design and handle type, insufficient evidence for mopping technique, and mixed evidence for mopping methods and environment modifications. Therefore, the present study suggests the use of adjustable mop handles as a strategy for reducing physical exposure. CONCLUSION A more comprehensive approach to reducing physical exposure concerning floor mopping work is necessary. APPLICATION Knowledge regarding physical exposure reduction can be applied as the basis for decision making in cleaning practice. Information can be incorporated into future research regarding development of floor-cleaning methods.
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Wallius MA, Bragge T, Karjalainen PA, Järvelin-Pasanen S, Rissanen SM, Vartiainen P, Räsänen K. Effects of Mop Handle Height on Forearm Muscle Activity, Wrist and Upper Arm Posture and Movement During Floor Mopping. IISE Trans Occup Ergon Hum Factors 2018. [DOI: 10.1080/24725838.2018.1509403] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Mari-Anne Wallius
- Faculty of Health Sciences, School of Medicine, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Timo Bragge
- Faculty of Science and Forestry, Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Pasi A. Karjalainen
- Faculty of Science and Forestry, Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Susanna Järvelin-Pasanen
- Faculty of Health Sciences, School of Medicine, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - Saara M. Rissanen
- Faculty of Science and Forestry, Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Paavo Vartiainen
- Faculty of Science and Forestry, Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Kimmo Räsänen
- Faculty of Health Sciences, School of Medicine, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
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Botta AC, Presoto CD, Wajngarten D, Campos JADB, Garcia PPNS. Perception of dental students on risk factors of musculoskeletal disorders. EUROPEAN JOURNAL OF DENTAL EDUCATION : OFFICIAL JOURNAL OF THE ASSOCIATION FOR DENTAL EDUCATION IN EUROPE 2018; 22:209-214. [PMID: 29436758 DOI: 10.1111/eje.12328] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/09/2018] [Indexed: 06/08/2023]
Abstract
OBJECTIVE To evaluate the validity and reliability of the Job Factors Questionnaire, and the influence of gender, academic level and pain/discomfort on dental students' perception regarding risk factors of musculoskeletal disorders. METHODS One hundred forty-five dental students from Stony Brook School of Dental Medicine participated voluntarily in this study. The survey was organised in two sections: (i) Job Factors Questionnaire with 15 items that evaluated students' perceptions about job/study environmental risk factors and their potential contribution to musculoskeletal disorders. The tri-factorial structure (repetitiveness, work posture and external factors) was used; (ii) Part of the Nordic Questionnaire with questions referring to 9 body areas: Neck, shoulders, upper back, elbows, lower back, wrists/hands, hips, knees and ankles/feet. Students answered if they have had a job-related pain/discomfort in any of these body areas in the previous 12 months. The data were evaluated statistically by confirmatory factor analysis, convergent and discriminant validities, internal consistency and Z-test (α = .05). RESULTS The tri-factorial structure was considered valid and reliable for the sample after excluding item 8 and inserting correlations between items 11 and 12, and between 14 and 15. The academic level presented a significant effect on the factors "Work Posture" (P = .02) and "External Factors" (P = .01). Most of the students reported pain in their neck (73.79%), lower back (62.06%) and shoulders (53.10%) in the previous 12 months. CONCLUSION The Work Posture and External Factors were influenced only by academic level. The lower the students' academic level, the higher their perception for both factors of musculoskeletal disorders.
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Affiliation(s)
- A C Botta
- Department of General Dentistry, Stony Brook School of Dental Medicine, Stony Brook University, Stony Brook, NY, USA
| | - C D Presoto
- Department of Social Dentistry, School of Dentistry, São Paulo State University (Unesp), Araraquara, Brazil
| | - D Wajngarten
- Department of Social Dentistry, School of Dentistry, São Paulo State University (Unesp), Araraquara, Brazil
| | - J A D B Campos
- Department of Food and Nutrition, School of Pharmaceutical Sciences, São Paulo State University (Unesp), Araraquara, Brazil
| | - P P N S Garcia
- Department of Social Dentistry, School of Dentistry, São Paulo State University (Unesp), Araraquara, Brazil
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Assessment of Postural Load during Melon Cultivation in Mediterranean Greenhouses. SUSTAINABILITY 2018. [DOI: 10.3390/su10082729] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Health and safety at work directly influence the development of sustainable agriculture. In the agricultural sector, many farm workers suffer musculoskeletal disorders caused by forced posture. The objective of this research is to assess working postures during melon cultivation in Almería-type greenhouses. The Ovako Working Posture Assessment System (OWAS) has been used with pictures of the tasks. The variables studied by multiple correspondence analysis were as follows: Subtask, Posture code, Back, Arms, Legs, Load, Risk, and Risk combination. The OWAS analysis showed that 47.57% of the postures were assessed as risk category 2, 14.32% as risk category 3, 0.47% as risk category 4, and the rest as risk category 1. Corrective measures should be implemented immediately, as soon as possible, or in the near future, depending on the risks detected.
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Smith CK, Anderson NJ. Work-related injuries among commercial janitors in Washington State, comparisons by gender. JOURNAL OF SAFETY RESEARCH 2017; 62:199-207. [PMID: 28882267 DOI: 10.1016/j.jsr.2017.06.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 04/20/2017] [Accepted: 06/22/2017] [Indexed: 06/07/2023]
Abstract
INTRODUCTION We analyzed workers' compensation (WC) data to identify characteristics related to workers' compensation claim outcomes among janitorial service workers in Washington State. METHOD We analyzed WC data from the Washington State Department of Labor & Industries (L&I) State Fund (SF) from January 1, 2003 through December 31, 2013, for janitorial service workers employed in the National Occupational Research Agenda (NORA) Services Sector. We constructed multivariable models to identify factors associated with higher medical costs and increased time lost from work. RESULTS There were 2,390 janitorial service compensable claims available for analysis. There were significant differences in injury type and other factors by gender, age, and language preference. Linguistic minority status was associated with longer time loss and higher median medical costs. Women were estimated to account for 35% of janitorial service workers but made up 55% of the compensable claims in this study. CONCLUSIONS Janitorial service workers comprise a large vulnerable occupational group in the U.S. workforce. Identifying differences by injury type and potential inequitable outcomes by gender and language is important to ensuring equal treatment in the workers' compensation process. PRACTICAL APPLICATIONS There were significant differences in injury and individual characteristics between men and women in this study. Women had twice the estimated rate of injury to men, and were more likely to require Spanish language materials. Improving communication for training and knowledge about the workers' compensation system appear to be high priorities in this population of injured janitorial service workers.
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Affiliation(s)
- Caroline K Smith
- Safety & Health Assessment & Research for Prevention (SHARP) Program, Washington State Department of Labor and Industries, Olympia, WA, USA.
| | - Naomi J Anderson
- Safety & Health Assessment & Research for Prevention (SHARP) Program, Washington State Department of Labor and Industries, Olympia, WA, USA
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Lasrado OE, Møllerløkken OJ, Moen BE, Van den Bergh G. Musculoskeletal symptoms among hospital cleaners. ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH 2017; 72:87-92. [PMID: 26954259 DOI: 10.1080/19338244.2016.1160862] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 02/28/2016] [Indexed: 06/05/2023]
Abstract
Studies have indicated that cleaners are at risk for musculoskeletal symptoms (MSS). In 2001, the Norwegian Labor Inspectorate suggested improvements in cleaners' work environment to reduce MSS. We estimate prevalence of MSS among cleaners in a Norwegian hospital that had implemented improvements to reduce risk of MSS and calculate relative risk of MSS among cleaners compared to a group of office workers. Data were collected from 255 participants. MSS were investigated using the Nordic Questionnaire for Analysis of Musculoskeletal Symptoms. Cleaners reported a significantly higher prevalence of MSS compared to office workers but a lower prevalence compared to similar studies among cleaners in other countries. This may indicate that working conditions in Norway are better than in other countries; further studies are needed to compare MSS and working conditions in different settings.
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Affiliation(s)
- Olivia Edna Lasrado
- a Department of Global Public Health and Primary Care , Faculty of Medicine and Dentistry, University of Bergen , Bergen , Norway
| | - Ole Jacob Møllerløkken
- a Department of Global Public Health and Primary Care , Faculty of Medicine and Dentistry, University of Bergen , Bergen , Norway
| | - Bente Elisabeth Moen
- b Centre for International Health, Department of Global Public Health and Primary Care , Faculty of Medicine and Dentistry, University of Bergen , Bergen , Norway
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Cavallari JM, Ahuja M, Dugan AG, Meyer JD, Simcox N, Wakai S, Garza JL. Differences in the prevalence of musculoskeletal symptoms among female and male custodians. Am J Ind Med 2016; 59:841-52. [PMID: 27409071 DOI: 10.1002/ajim.22626] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/17/2016] [Indexed: 11/06/2022]
Abstract
BACKGROUND The prevalence of musculoskeletal symptoms among custodians is high. We sought to compare musculoskeletal symptoms between female and male custodians and to explore how task might affect this relationship. METHODS A cross-sectional study was performed among 712 custodians who completed a survey assessing upper extremity, back, and lower extremity musculoskeletal symptoms and exposure to cleaning tasks. Chi-square tests and logistic regression analyses were used to test for associations between gender, cleaning tasks, and musculoskeletal symptoms. RESULTS Gender was significantly (P < 0.05) associated with musculoskeletal symptoms in χ(2) tests and multivariate analyses. The prevalence ratio of symptoms among women was roughly 50% higher than men, regardless of the tasks that workers performed. CONCLUSIONS The prevalence of musculoskeletal symptoms differed for female and male custodians and appeared to be consistent across a range of job tasks. Am. J. Ind. Med. 59:841-852, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Jennifer M. Cavallari
- Division of Occupational and Environmental Medicine, Department of Community Medicine; UConn Health; Farmington Connecticut
| | - Manik Ahuja
- Department of Community Medicine; UConn Health; Farmington Connecticut
| | - Alicia G. Dugan
- Division of Occupational and Environmental Medicine; UConn Health; Farmington Connecticut
| | - John D. Meyer
- Department of Preventive Medicine; Icahn-Mount Sinai School of Medicine; New York New York
| | - Nancy Simcox
- Department of Environmental and Occupational Health Sciences; University of Washington; Seattle Washington
| | - Sara Wakai
- Center for Public Health and Health Policy; UConn Health; Farmington Connecticut
| | - Jennifer L. Garza
- Division of Occupational and Environmental Medicine; UConn Health; Farmington Connecticut
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The Impact of Physical and Ergonomic Hazards on Poultry Abattoir Processing Workers: A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:197. [PMID: 26861374 PMCID: PMC4772217 DOI: 10.3390/ijerph13020197] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/10/2015] [Accepted: 01/27/2016] [Indexed: 11/17/2022]
Abstract
The poultry abattoir industry continues to grow and contribute significantly to the gross domestic product in many countries. The industry expects working shifts of eight to eleven hours, during which workers are exposed to occupational hazards which include physical hazards ranging from noise, vibration, exposure to cold and ergonomic stress from manual, repetitive tasks that require force. A PubMed, Medline and Science Direct online database search, using specific keywords was conducted and the results confirmed that physical and ergonomic hazards impact on abattoir processing workers health, with harm not only to workers’ health but also as an economic burden due to the loss of their livelihoods and the need for treatment and compensation in the industry. This review endeavours to highlight the contribution poultry processing plays in the development of physical agents and ergonomic stress related occupational diseases in poultry abattoir processing workers. The impact includes noise-induced hearing loss, increased blood pressure, menstrual and work related upper limb disorders. These are summarised as a quick reference guide for poultry abattoir owners, abattoir workers, poultry associations, occupational hygienists and medical practitioners to assist in the safer management of occupational health in poultry abattoirs.
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WALLIUS MA, RISSANEN SM, BRAGGE T, VARTIAINEN P, KARJALAINEN PA, RÄSÄNEN K, JÄRVELIN-PASANEN S. Effects of mop handle height on shoulder muscle activity and perceived exertion during floor mopping using a figure eight method. INDUSTRIAL HEALTH 2015; 54:58-67. [PMID: 26423328 PMCID: PMC4791294 DOI: 10.2486/indhealth.2015-0108] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Accepted: 09/01/2015] [Indexed: 05/28/2023]
Abstract
The aim of this study was to investigate effects of mop handle height on electromyographic (EMG) activities of the shoulder muscles and perceived exertion for the shoulder area during floor mopping using a figure eight method. An experimental study with 13 cleaners was conducted using surface EMG and category ratio (CR-10) scale. EMG activity was recorded unilaterally from the upper trapezius, infraspinatus, anterior and middle deltoid muscles. Each subject performed four trials of mopping and each trial consisted of using a different mop handle height (mop adjustment at the level of shoulder, chin, nose and eye) in randomized order. EMG data were normalized to a percentage of maximal voluntary contraction (%MVC). The muscle activities were assessed by estimating the 10th, 50th and 90th percentiles of the amplitude probability distribution function (APDF) of the EMG signals and analysed by linear mixed model analysis. Results showed that shoulder muscle activity was significantly lower when the mop handle height was adjusted to shoulder level or chin level as compared to eye level. These findings were supported by subjective ratings of exertion. It seems that mop handle height adjustment between shoulder and chin level may be recommended as a basis for figure eight mopping.
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Affiliation(s)
- Mari-Anne WALLIUS
- Institution of Public Health and Clinical Nutrition,
Ergonomics, School of Medicine, University of Eastern Finland, Finland
| | - Saara M. RISSANEN
- Department of Applied Physics, Faculty of Science and
Forestry, University of Eastern Finland, Finland
| | - Timo BRAGGE
- Department of Applied Physics, Faculty of Science and
Forestry, University of Eastern Finland, Finland
| | - Paavo VARTIAINEN
- Department of Applied Physics, Faculty of Science and
Forestry, University of Eastern Finland, Finland
| | - Pasi A. KARJALAINEN
- Department of Applied Physics, Faculty of Science and
Forestry, University of Eastern Finland, Finland
| | - Kimmo RÄSÄNEN
- Institution of Public Health and Clinical Nutrition,
Ergonomics, School of Medicine, University of Eastern Finland, Finland
| | - Susanna JÄRVELIN-PASANEN
- Institution of Public Health and Clinical Nutrition,
Ergonomics, School of Medicine, University of Eastern Finland, Finland
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Garza JL, Cavallari JM, Wakai S, Schenck P, Simcox N, Morse T, Meyer JD, Cherniack M. Traditional and environmentally preferable cleaning product exposure and health symptoms in custodians. Am J Ind Med 2015; 58:988-95. [PMID: 26040239 PMCID: PMC4976595 DOI: 10.1002/ajim.22484] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2015] [Indexed: 11/12/2022]
Abstract
BACKGROUND We investigated the associations between traditional and environmentally preferable cleaning product exposure and dermal, respiratory, and musculoskeletal symptoms in a population of custodians. METHODS We analyzed associations between symptoms and exposure to traditional and environmentally preferable cleaning product exposure among 329 custodians. RESULTS We observed increased odds of dermal (P < 0.01), upper (P = 0.01) and lower respiratory (P = 0.01), and upper extremity (P < 0.01), back (P < 0.01), and lower extremity (P = 0.01) musculoskeletal symptoms associated with increased typical traditional cleaning product exposure. We observed significant trends for increased odds of dermal (P = 0.03) and back (P = 0.04) and lower (P = 0.02) extremity musculoskeletal symptoms associated with increased typical environmentally preferable cleaning product exposure. CONCLUSIONS Fewer positive associations and reduced odds of health symptoms associated with environmentally preferable cleaning product exposure suggest that these products may represent a safer alternative to traditional cleaning products.
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Affiliation(s)
- Jennifer L. Garza
- Division of Occupational and Environmental MedicineUConn HealthFarmingtonConnecticut
| | - Jennifer M. Cavallari
- Division of Occupational and Environmental MedicineUConn HealthFarmingtonConnecticut
- Department of Community Medicine and Health CareFarmingtonConnecticut
| | - Sara Wakai
- Center for Public Health and Health PolicyUConn HealthFarmingtonConnecticut
| | - Paula Schenck
- Division of Occupational and Environmental MedicineUConn HealthFarmingtonConnecticut
| | - Nancy Simcox
- Department of Environmental and Occupational Health SciencesUniversity of WashingtonSeattleWashington
| | - Tim Morse
- Division of Occupational and Environmental MedicineUConn HealthFarmingtonConnecticut
| | - John D. Meyer
- Preventive MedicineMount Sinai HospitalNew YorkNew York
| | - Martin Cherniack
- Division of Occupational and Environmental MedicineUConn HealthFarmingtonConnecticut
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Hegmann KT, Thiese MS, Wood EM, Garg A, Kapellusch JM, Foster J, Biggs J, Edwards H, Wertsch J, Kendall R. Impacts of differences in epidemiological case definitions on prevalence for upper-extremity musculoskeletal disorders. HUMAN FACTORS 2014; 56:191-202. [PMID: 24669553 DOI: 10.1177/0018720813487202] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
OBJECTIVE The aim of this study was to systematically evaluate prevalence based on variations in case definitions used for epidemiological studies of musculoskeletal disorders (MSDs). BACKGROUND Prior studies of MSDs have mostly relied on a single case definition based on questionnaires. METHOD In a multicenter prospective cohort study, we systematically collected data to evaluate impacts of differences in case definitions of MSDs on prevalence of three common musculoskeletal disorders: (a) shoulder tendinosis, (b) lateral epicondylalgia, and (c) carpal tunnel syndrome. Production workers were from 21 employment settings in three diverse U.S. states and performed widely varying work. All workers completed laptop-administered structured interviews, two standardized physical examinations, and nerve conduction studies (NCS). Case definitions included symptoms only, and symptoms plus physical examinations and/or NCS. RESULTS A total of 1,227 subjects had complete health data at baseline. The prevalence for shoulder tendinosis is 23.0% if only glenohumeral pain is used for a case definition, compared with 8.0% if a combination of pain plus a positive supraspinatus test is used. The prevalence for lateral epicondylalgia varied on the basis of lateral elbow pain (12.0%), pain plus tenderness on palpation (9.9%), or pain plus tenderness on palpation plus resisted wrist or middle finger extension (3.5%). Carpal tunnel syndrome prevalence varied on the basis of tingling or numbness in a median nerve-served digit (29.9%) or tingling or numbness plus NCS abnormalities consistent with carpal tunnel syndrome (9.0%). CONCLUSION Variations in epidemiological case definitions have major impacts on prevalence of common MSDs. Wide-ranging differences in prevalence may have impacts on purported risk factors that need to be determined.
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