Displaying publications 1 - 20 of 41 in total

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  1. Self-perceived mental well-being amongst Malaysian dentists
    Ab-Murat N, Mason L, Kadir RA, Yusoff N
    Int J Occup Saf Ergon, 2018 Jun;24(2):233-239.
    PMID: 28010176 DOI: 10.1080/10803548.2016.1268869
    PURPOSE: To assess Malaysian dentists' perceptions of their mental well-being.

    METHODS: A self-administered questionnaire was developed based on a conceptual framework of mental health and well-being model. Two aspects were assessed, namely the physiological (two domains) and the psychological (six domains). Participants were asked to rate their experiences of the aforementioned aspects using a 5-point Likert scale ranging from all the time to never.

    RESULTS: The response rate was 81%. Most of the dentists (61.7%) perceived having positive mental well-being. Under the physiological aspect, most respondents reported that they were 'generally happy' (93.3%), but about 30% stated they were 'stressed physically and emotionally'. Of the six domains under the psychological aspect, positive well-being was observed in the 'sense of coherence' and 'behavioural stress' domains. Participants who were above 40 years old, married and had children reported having a more positive mental well-being when compared with their counterparts.

    CONCLUSION: Overall, most Malaysian dentists perceived having a positive mental well-being. It is crucial, however, to closely monitor and initiate early interventions for those with negative symptoms to ensure the safe practice of dentistry.

  2. Effects of patient transfer devices on the risk of work-related musculoskeletal disorders: a systematic review
    Abdul Halim NSS, Ripin ZM, Ridzwan MIZ
    Int J Occup Saf Ergon, 2023 Jun;29(2):494-514.
    PMID: 35306979 DOI: 10.1080/10803548.2022.2055908
    Objectives. This study aimed to evaluate the efficacy of patient transfer assistive devices in reducing the risk of work-related musculoskeletal disorders (WMSDs) among nurses. Methods. PubMed, Scopus, Google Scholar and the Cochrane Database of Systematic Reviews were searched to identify studies with a quantitative assessment of the efficacy of patient transfer assistive devices on the incidence and injury claims of WMSDs as compared to the manual lifting of patients. A health impact analysis of the pre-post intervention of assistive device implementation was performed. The percentage of the reduction of forces, incidence of WMSDs, number of missed workdays and injury compensation claims were calculated, pooled and presented as boxplots. Results. A total of 25 studies met the inclusion criteria. The best post-intervention outcomes of assistive devices deployment in the healthcare setting included a reduction in WMSD incidence by 59.8%, missed workdays by 90.0% and workers' compensation claims by 95.0%. Additionally, hand force declined by 71% (p 
  3. Health and safety improvement in construction projects: a lean construction approach
    Abu Aisheh YI, Tayeh BA, Alaloul WS, Almalki A
    Int J Occup Saf Ergon, 2022 Dec;28(4):1981-1993.
    PMID: 34126867 DOI: 10.1080/10803548.2021.1942648
    Objectives. Lean construction techniques have been considered an effective approach and strategy to reduce accidents in construction projects. This article aims to investigate the application of the lean construction principle and its impact on occupational health and safety. Methods. To achieve the aim, an analytical descriptive method was used. The data were collected through a questionnaire, with 70 respondents who were chosen using a random stratified sample method. The questionnaire evaluated the perception of contractors and consultants about the important lean construction factors and their impact on construction project safety. Results. There is an agreement that the application of lean construction techniques can be impeded by challenges like lack of lean construction knowledge, complexity, misconception about lean construction and difficulties in changing employees. Conclusions. The study identified strategies that could be used to address these challenges that will improve the safety of construction projects. These include enlightenment on benefits of the lean practice, publication of improvements realized from lean practice, training, workers' involvement and empowerment, persistence, robust planning and gradual implementation.
  4. Safety management implementation drivers for construction projects: a structural equation modelling approach
    Abu Aisheh YI, Alaloul WS, Alhammadi SA, Tayeh BA
    Int J Occup Saf Ergon, 2023 Dec;29(4):1358-1367.
    PMID: 36177998 DOI: 10.1080/10803548.2022.2131123
    The construction industry is one of the hazardous fields due to its exceptional environment. Therefore, this work aimed to assess the essential drivers needed for employing safety management in the Palestinian construction industry. The drivers for safety management were recognized from earlier literature, where the questionnaires were dispersed to professionals from construction projects. The exploratory factor analysis (EFA) technique was then performed to contextually adjust the identified drivers. The results showed that safety management drivers could be categorized into three constructs: management, awareness and policy. In addition, partial least squares structural equation modelling (PLS-SEM) was performed to generate the safety management driver's model. The results indicated that management drivers were vital drivers for adopting safety management. The study's findings would act as a reference for construction stakeholders to decrease danger and enhance the construction project's success via implementing safety management drivers.
  5. Occupational health and safety issues in the informal economic segment of Pakistan: a survey of construction sites
    Ahmed I, Shaukat MZ, Usman A, Nawaz MM, Nazir MS
    Int J Occup Saf Ergon, 2018 Jun;24(2):240-250.
    PMID: 28795938 DOI: 10.1080/10803548.2017.1366145
    This research covers the current status of occupational health and safety (OHS)-related practices in the informal construction segment of Pakistan. Data were collected, through interviews, from 316 construction sites employing 3577 workers. The results of the study reveal that both employers and workers lack knowledge of OHS laws/standards and no practices of this nature are enacted at these construction sites. Alarmingly, work-related accidents, whenever they happen, are not given due attention and there is no formal injury-report system. The informal construction industry employs a huge portion of the informal workforce, and lack of OHS happens at tremendous human cost. These research findings may thus play their role in strengthening the case for reforms in the sector. This study, if properly utilized, may also enable employers of the sector by increasing their knowledge about OHS practices and, as a result, trying to offer safer environments for their workers.
  6. Occupational health and safety practice in infrastructure projects
    Alhammadi SA, Tayeh BA, Alaloul WS, Jouda AF
    Int J Occup Saf Ergon, 2022 Dec;28(4):2631-2644.
    PMID: 34965852 DOI: 10.1080/10803548.2021.2013034
    Objectives. This research intends to investigate the responsibilities of the parties engaged in the implementation phase of the infrastructure projects in occupational health and safety, i.e., the consultant and contractor. Methods. A questionnaire was developed through the selection and modification of the responsibilities from the literature review. Results. The statistical analysis results show that the consultants and contractors both ranked the item 'The owner requires the contractor to implement the occupational safety standards within the bid' first in the owner responsibilities, having 0.67 relative importance index (RII). In the responsibilities of the consultant, the first ranked item was 'The consultant has a role in adopting occupational safety plans and contingency plans', having 0.66 RII. In the responsibilities of the contractor, the first ranked item was 'The contractor shall provide the insurance cover for all project crews', having 0.71 RII. In the responsibilities of the workers, the first ranked item was 'Workers know the handling of tools and equipment within the project', having 0.59 RII. Conclusion. Overall, there was general agreement between consultants and contractors to classify and arrange items because both face the same conditions and have the same working environment.
  7. Synergetic effect of safety culture and safety climate on safety performance in SMEs: does transformation leadership have a moderating role?
    Asad M, Kashif M, Sheikh UA, Asif MU, George S, Khan GUH
    Int J Occup Saf Ergon, 2021 Sep 07.
    PMID: 34126869 DOI: 10.1080/10803548.2021.1942657
    Objectives. In developing countries, health and safety is not given importance especially in small and medium-sized enterprises (SMEs). Incidents in health and safety are continuously increasing. The major reason is a lack of workplace safety culture. Secondly, enterprises lack resources, therefore it becomes hard for them to provide safety climate. Along with safety climate and safety culture, the behavior of leadership plays a significant role toward safety performance. Therefore, the purpose of this study is to analyze the moderating role of leadership for gaining safety performance through safety culture and safety climate. Methods. For the said purpose, the authors collected data from laborers and managers. A structured questionnaire was adopted and, after ensuring the reliability, structural equation modeling was applied. Results. The findings revealed that safety culture and safety climate both have a significant impact over safety performance; however, transformational leadership only moderates the relationship between safety culture and safety performance. Conclusions. Identification of the moderating role of transformational leadership is a significant contribution in social cognitive theory. Future researchers are also guided to identify the same link for large industries of developing countries.
  8. Lower back pain and its association with whole-body vibration and manual materials handling among commercial drivers in Sabah
    Awang Lukman K, Jeffree MS, Rampal KG
    Int J Occup Saf Ergon, 2019 Mar;25(1):8-16.
    PMID: 28978270 DOI: 10.1080/10803548.2017.1388571
    A cross-sectional study was undertaken to determine the prevalence of lower back pain (LBP) and its association with whole-body vibration (WBV) and manual materials handling (MMH). We studied 110 commercial vehicle drivers using a self-administered questionnaire and the VI-400Pro human vibration monitor. Prevalence of LBP was 66.4%. The percentage of drivers who had frequent manual handling of heavy loads was 45.5% and those who handled heavy loads in awkward postures accounted for 86.4%. Daily vibration A(8) averaged on the z axis was 0.25 (0.06) m·s-2 and at vector sum was 0.29 (0.07) m·s-2. Daily vibration exposures on the z axis, frequent manual handling of heavy loads and awkward posture during MMH were significantly associated with LBP. Drivers who are exposed to WBV and frequently handle heavy loads manually and with awkward postures probably have more LBP than drivers who are exposed to only one of these risk factors.
  9. Hand-arm vibration disorder among grass-cutter workers in Malaysia
    Azmir NA, Ghazali MI, Yahya MN, Ali MH
    Int J Occup Saf Ergon, 2016 Apr 6.
    PMID: 27050159
    Prolonged exposure to hand-transmitted vibration from grass-cutting machines has been associated with increasing occurrences of symptoms and signs of occupational diseases related to hand-arm vibration syndrome (HAVS).
  10. An ergonomics study of a semiconductors factory in an IDC for improvement in occupational health and safety
    Bin WS, Richardson S, Yeow PH
    Int J Occup Saf Ergon, 2010;16(3):345-56.
    PMID: 20828490
    The study aimed to conduct an ergonomic intervention on a conventional line (CL) in a semiconductor factory in Malaysia, an industrially developing country (IDC), to improve workers' occupational health and safety (OHS). Low-cost and simple (LCS) ergonomics methods were used (suitable for IDCs), e.g., subjective assessment, direct observation, use of archival data and assessment of noise. It was found that workers were facing noise irritation, neck and back pains and headache in the various processes in the CL. LCS ergonomic interventions to rectify the problems included installing noise insulating covers, providing earplugs, installing elevated platforms, slanting visual display terminals and installing extra exhaust fans. The interventions cost less than 3 000 USD but they significantly improved workers' OHS, which directly correlated with an improvement in working conditions and job satisfaction. The findings are useful in solving OHS problems in electronics industries in IDCs as they share similar manufacturing processes, problems and limitations.
  11. Contributions of safety critical success factors and safety program elements to overall project success
    Buniya MK, Othman I, Sunindijo RY, Karakhan AA, Kineber AF, Durdyev S
    Int J Occup Saf Ergon, 2023 Mar;29(1):129-140.
    PMID: 35125068 DOI: 10.1080/10803548.2022.2038419
    Implementing a safety program is an essential step toward improving safety performance. This research aims to develop an overall project success (OPS) model for building projects through investigating the direct and indirect impact of safety critical success factors (CSFs) on OPS mediated by safety program elements. First, interviews were carried out with experts in the Iraqi construction industry, and then a questionnaire survey was utilized to obtain feedback from construction professionals. The results revealed that 20 elements are needed to confirm and improve effectiveness. These elements were categorized into four constructs: management commitment and employee involvement, worksite analysis, hazard and prevention control, and health and safety training. The analysis confirms that the relationship between safety CSFs and OPS are mediated by safety program elements. These findings offer a glimmer of hope for implementing safety programs in the Iraqi construction sector, and can also be used to enhance safety performance.
  12. Designing a neurofeedback device to quantify attention levels using coffee as a reward system
    Cheng KS, Lee JX, Lee PF
    Int J Occup Saf Ergon, 2021 Mar;27(1):258-266.
    PMID: 29658406 DOI: 10.1080/10803548.2018.1459348
    Purpose. Work performance is closely related to one's attention level. In this study, a brain-computer interface (BCI) device suitable for office usage was chosen to quantify the individual's attention levels. Methods. A BCI system was adopted to interface brainwave signals to a coffee maker via three ascending levels of laser detectors. The preliminary test with this prototype was to characterize the attention level through the collected coffee amount. Here, the preliminary testing was comparing the correlation between the attention level and the participants' cumulative grade point average (CGPA) and scores from the 21-item depression, anxiety, and stress scale (DASS-21) and the attentional control scale (ACS) using ordinal regression. It was assumed that a greater CGPA would generate a greater attention level. Result. The generated coffee amount from the BCI system had a significant positive correlation with the CGPA (p = 0.004), mild depression (p = 0.019) and mild and extremely severe anxiety (p = 0.044 and p = 0.019, respectively) and a negative correlation with the ACS score (p = 0.042). Conclusion. This simple and cost-effective prototype has the potential to enable everyone to know their immediate attention level and predict the possible correlation to their mental state.
  13. Accidents in Malaysian construction industry: statistical data and court cases
    Chong HY, Low TS
    Int J Occup Saf Ergon, 2014;20(3):503-13.
    PMID: 25189753
    Safety and health issues remain critical to the construction industry due to its working environment and the complexity of working practises. This research attempts to adopt 2 research approaches using statistical data and court cases to address and identify the causes and behavior underlying construction safety and health issues in Malaysia. Factual data on the period of 2000-2009 were retrieved to identify the causes and agents that contributed to health issues. Moreover, court cases were tabulated and analyzed to identify legal patterns of parties involved in construction site accidents. Approaches of this research produced consistent results and highlighted a significant reduction in the rate of accidents per construction project in Malaysia.
  14. The effect of job and environmental factors on job satisfaction in automotive industries
    Dawal SZ, Taha Z
    Int J Occup Saf Ergon, 2006;12(3):267-80.
    PMID: 16984786
    A methodology was developed for diagnosing industrial work, which includes questionnaire, observation, measurements, data collection and statistical analysis. A survey was conducted to investigate the relationship between job satisfaction and factors that affect work design in 2 automotives manufacturing companies in Malaysia. A basic work design model was proposed. The aim of this model was to determine the factors that influence employees' perception towards their work. A set of multiple-choice questionnaires was developed and data was collected by interviewing employees at a production plant. The survey focused on job and environmental factors. The results supported the proposed model and showed that job and environmental factors were significantly related to job satisfaction. They highlighted the significant influence of age, work experience and marital status on job satisfaction. Further, environmental factors, especially the surroundings, context dependence and the building's function, also had a significant impact on job satisfaction.
  15. Anthropometric database for the learning environment of high school and university students
    Dawal SZ, Zadry HR, Azmi SN, Rohim SR, Sartika SJ
    Int J Occup Saf Ergon, 2012;18(4):461-72.
    PMID: 23294660
    This paper presents an anthropometric database of high school and university students from Kuala Lumpur, Malaysia. Forty-one high school participants (21 males and 20 females), 13-17 years old, and 143 university students (74 males and 69 females) took part in the study. Twenty-one static body dimensions were measured. The greatest mean differences in the anthropometric data between male and female high school students were found in the sitting elbow height. In addition, a comparison of anthropometric data of male and female university students showed that data for males and females were significantly different, except for buttock-popliteal length, sitting elbow height and thigh clearance. The primary aim of this study was to develop an anthropometric database that could be used as a primary reference in designing products, devices and equipment for ergonomic learning environments.
  16. Development of prolonged standing strain index to quantify risk levels of standing jobs
    Halim I, Omar AR
    Int J Occup Saf Ergon, 2012;18(1):85-96.
    PMID: 22429532
    Many occupations in industry such as metal stamping workers, electronics parts assembly operators, automotive industry welders, and lathe operators require working in a standing posture for a long time. Prolonged standing can contribute to discomfort and muscle fatigue particularly in the back and legs. This study developed the prolonged standing strain index (PSSI) to quantify the risk levels caused by standing jobs, and proposed recommendations to minimize the risk levels. Risk factors associated with standing jobs, such as working posture, muscles activity, standing duration, holding time, whole-body vibration, and indoor air quality, were the basis for developing the PSSI. All risk factors were assigned multipliers, and the PSSI was the product of those multipliers. Recommendations for improvement are based on the PSSI; however, extensive studies are required to validate their effectiveness. multipliers, and the PSSI was the product of those multipliers. Recommendations for improvement are based on the PSSI; however, extensive studies are required to validate their effectiveness.
  17. Heavy metals found in the breathing zone, toenails and lung function of welders working in an air-conditioned welding workplace
    Hariri A, Mohamad Noor N, Paiman NA, Ahmad Zaidi AM, Zainal Bakri SF
    Int J Occup Saf Ergon, 2018 Dec;24(4):646-651.
    PMID: 28849717 DOI: 10.1080/10803548.2017.1368950
    Welding operations are rarely conducted in an air-conditioned room. However, a company would set its welding operations in an air-conditioned room to maintain the humidity level needed to reduce hydrogen cracks in the specimen being welded. This study intended to assess the exposure to metal elements in the welders' breathing zone and toenail samples. Heavy metal concentration was analysed using inductively coupled plasma mass spectrometry. The lung function test was also conducted and analysed using statistical approaches. Chromium and manganese concentrations in the breathing zone exceeded the permissible exposure limit stipulated by Malaysian regulations. A similar trend was obtained in the concentration of heavy metals in the breathing zone air sampling and in the welders' toenails. Although there was no statistically significant decrease in the lung function of welders, it is suggested that exposure control through engineering and administrative approaches should be considered for workplace safety and health improvement.
  18. Occupational safety and health management in the construction industry: a review
    Jaafar MH, Arifin K, Aiyub K, Razman MR, Ishak MIS, Samsurijan MS
    Int J Occup Saf Ergon, 2018 Dec;24(4):493-506.
    PMID: 28849991 DOI: 10.1080/10803548.2017.1366129
    The construction industry plays a significant role in contributing to the economy and development globally. During the process of construction, various hazards coupled with the unique nature of the industry contribute to high fatality rates. This review refers to previous published studies and related Malaysian legislation documents. Four main elements consisting of human, worksite, management and external elements which cause occupational accidents and illnesses were identified. External and management elements are the underlying causes contributing to occupational safety and health (OSH), while human and worksite elements are more apparent causes of occupational accidents and illnesses. An effective OSH management approach is required to contain all hazards at construction sites. An approach to OSH management constructed by elements of policy, process, personnel and incentive developed in previous work is explored. Changes to the sub-elements according to previous studies and the related Malaysian legislation are also covered in this review.
  19. Prediction of work productivity outcomes by identifying critical risk factors among garment industry workers
    Javed I, Md Dawal SZ, Nukman Y, Ahmad A
    Int J Occup Saf Ergon, 2022 Dec;28(4):2238-2249.
    PMID: 34556003 DOI: 10.1080/10803548.2021.1984673
    Work productivity is one of the most important economic measures in the manufacturing industry. However, the physical, psychosocial and individual risk factors of an industrial work environment affect workers' physical or mental health, resulting in work productivity loss, absenteeism and presenteeism. Therefore, this study aims to identify the most critical risk factors and develop statistical models for predicting work productivity loss, absenteeism and presenteeism of garment industry workers. A sample of 224 sewing machine operators was taken for data collection through observation and self-reported studies. The results indicated that the average work productivity loss, absenteeism and presenteeism was 38.21, 2.35 and 37.23%, respectively. Finally, the statistical models of work productivity loss, absenteeism and presenteeism was developed using multiple linear regression with precision of 69.9, 53.7 and 84.0%, respectively. Hence, this study will help garment industries to improve their work productivity by taking initiatives based on the developed models.
  20. Development of a predictive model for work-relatedness of MSDs among semiconductor back-end workers
    Ling CF, Radin Umar RZ, Ahmad N
    Int J Occup Saf Ergon, 2020 Dec 29.
    PMID: 33096963 DOI: 10.1080/10803548.2020.1840116
    Objective. Limited models are available to predict work-relatedness of musculoskeletal disorders (MSDs) among semiconductor back-end workers. This study aims to develop a model to predict the MSDs development among back-end workers. Method. Potential MSD risk factors were extracted from 277 work compensation investigation reports conducted between 2011-2019. Binary logistic regression approach was used to determine significant predictors. Results. Significant predictors (p 
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