Arunachalam Muthiah, Janhavi Kulkarni, Manasi Lele, Seul Chan Lee
{"title":"Task loading of soldering workers in small-scale manufacturing units.","authors":"Arunachalam Muthiah, Janhavi Kulkarni, Manasi Lele, Seul Chan Lee","doi":"10.1080/10803548.2024.2445978","DOIUrl":"10.1080/10803548.2024.2445978","url":null,"abstract":"<p><p>Soldering is common in electrical product manufacturing, but the task load in small units is unquantified. Therefore, this study aimed to establish the occurrence of task load due to soldering work, analyzing the effects of age and sex among workers in small manufacturing units. The task load of 102 soldering workers from four small-scale manufacturing units was assessed using the National Aeronautics and Space Administration task load index (NASA-TLX) questionnaire, covering six dimensions: physical demand, mental demand, temporal demand, effort, performance and frustration. Statistical analyses were performed using the Mann-Whitney <i>U</i> test, the Kruskal-Wallis test and ordinal regression, considering age, sex and work characteristics as independent variables. Age and work characteristics significantly influenced task loading, with a high prevalence of physical, mental and temporal demands and effort among soldering workers. These findings could lead to interventions in terms of the workstation design.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"399-405"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143014055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The relationship between nurses' Internet addictions, sleep quality and sleepiness.","authors":"Derya Şimşekli, Gönül Gökçay, Mehtap Tan","doi":"10.1080/10803548.2025.2453314","DOIUrl":"10.1080/10803548.2025.2453314","url":null,"abstract":"<p><p><i>Objectives.</i> This study aimed to investigate the relationship between nurses' Internet addiction, sleep quality and sleepiness. <i>Methods.</i> Research data were collected with an online and face-to-face introduction form, the Internet addiction scale (IAS), the Pittsburgh sleep quality index (PSQI) and the Epworth sleepiness scale (ESS) between January and April 2022. In data analysis, descriptive statistics, correlation and multiple regression analysis were performed. <i>Results.</i> The general average scores for the participants were IAS 41.99 ± 16.03, PSQI 5.90 ± 3.27 and ESS 9.53 ± 5.44. It was observed that 58.9% had poor sleep quality and 38.7% had an increased prevalence of daytime sleepiness. <i>Conclusion.</i> There was a positive relationship between Internet addiction, sleep quality and sleepiness. Accordingly, it was determined that as the level of Internet addiction in nurses increases, sleep quality decreases and daytime sleepiness increases.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"516-521"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143061089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sharareh Kian-Bostanabad, Mahmoodreza Azghani, Mohammad Parnianpour
{"title":"Evaluation of the maximum voluntary isometric lumbar extension in three-dimensional positions.","authors":"Sharareh Kian-Bostanabad, Mahmoodreza Azghani, Mohammad Parnianpour","doi":"10.1080/10803548.2024.2440271","DOIUrl":"10.1080/10803548.2024.2440271","url":null,"abstract":"<p><p><i>Objective</i>. Asymmetrical trunk positions to perform daily tasks are known as risk factors for back injuries. This study aimed to investigate the lumbar extension (main activity for lifting) in symmetrical, asymmetrical and combined positions. <i>Methods</i>. Sixteen lumbar and abdominal muscle activities during maximum voluntary contraction in six main directions and the isometric extension in 24 different positions were recorded for 14 healthy men. The co-contraction index was calculated between all the muscle pairs for each trial (120 pairs per trial). The relationship between uniaxial and combined positions was investigated using Pearson's correlation and the response surface methodology model. <i>Results</i>. Pearson's correlation between the combined positions and extension was 0.482-0.588 and for the other five main directions was <0.3. According to the models, a significant relationship was observed for extension. <i>Conclusions</i>. Secondary activities due to asymmetrical position reduce the subject ability to apply maximum extension. The optimal asymmetrical lifting mode is when it is accompanied by flexion and avoids side bending as much as possible. To reduce back injuries, and increase ergonomics and occupational safety, the work environment should be designed in such a way that the spine is not exposed to excessive loads.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"360-368"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143450519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Human factor analysis of cockpit work incidents in high-speed workboats: the mystery hidden between the lines.","authors":"Mikko Lehtimäki, Anna-Maria Teperi","doi":"10.1080/10803548.2024.2445979","DOIUrl":"10.1080/10803548.2024.2445979","url":null,"abstract":"<p><p>This study evaluated the human factor (HF) analysis of cockpit work incidents on high-speed workboats. Although maritime safety is studied actively, information on such incidents is limited. The study examined how the Safety Investigation Authority of Finland (<i>n</i> = 7) and 11 Finnish maritime organizations (<i>n</i> = 69) analysed HFs in their incident and accident reports from 2009 to 2021. The HF Tool was used to evaluate the incident analysis and investigation methods, and safety reporting and HF investigations were found to require improvement. Teamwork and communication competencies were poorly acknowledged, and the emphasis was on the performance of individuals. Several HFs, including crew competencies and working methods, were found to play a role in incidents. Our study contributes to improving safety reporting, incident investigations and mastering HFs in maritime high-speed workboats.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"406-418"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143392254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Development of the hospital hygiene standard precautions scale: cleaning staff version.","authors":"Selma Demirel, Serpil Ozdemir","doi":"10.1080/10803548.2025.2452732","DOIUrl":"10.1080/10803548.2025.2452732","url":null,"abstract":"<p><p><i>Objectives</i>. This study aimed to develop the hospital hygiene standard precautions scale: cleaning staff version. <i>Methods</i>. The sample of this methodological study consisted of 330 hospital cleaning staff. The scale was systematically developed in nine stages. The content, face, structure and convergent validity were investigated in the validity analysis. The internal consistency coefficient and test-retest analyses, internal consistency coefficients and intraclass coefficient correlation of the scale were performed during the reliability analysis. <i>Results.</i> A structure consisting of five dimensions and 19 items with factor loads ranging from 0.86 to 0.32 and explaining 51.16% of the total variance was detected during principal component analysis. Confirmatory factor analysis revealed that the five-dimensional structure was confirmed. The internal consistency coefficient of the scale total was calculated as 0.82 and the intraclass coefficient correlation value as 0.99. <i>Conclusion</i>. This scale consisting of five sub-dimensions and 19 items is a valid and reliable scale.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"468-477"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143434114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The effect of musculoskeletal system disorders in female office workers.","authors":"Ömer Alperen Gürses, Ferdi Başkurt","doi":"10.1080/10803548.2024.2446107","DOIUrl":"10.1080/10803548.2024.2446107","url":null,"abstract":"<p><p><i>Objectives</i>. This study aimed to analyze the effects of musculoskeletal disorders (MSDs) on the work performance, musculoskeletal fitness and quality of life of female office workers employed at a university. <i>Methods</i>. MSDs were evaluated in different body regions with the Cornell musculoskeletal discomfort questionnaire (CMDQ), job performance with the work role functioning questionnaire (WRFQ), musculoskeletal fitness with the musculoskeletal fitness battery (MFB) and quality of life with the short form-12 quality of life questionnaire (SF-12). <i>Results</i>. There was a significant weak correlation between job performance and lower back pain (LBP) (<i>r</i> = -0.21, <i>p</i> = 0.01). There were significant weak to moderate negative correlations between quality of life and CMDQ pain scores for each body part except the back, lower back and hip. There was a significant difference between those who always went to work and those who missed work for 10 days or more only in terms of LBP and hip pain scores (<i>p</i> = 0.008, <i>p</i> = 0.002). <i>Conclusion</i>. Musculoskeletal pain negatively impacts employees' quality of life and work performance. Neck and extremity pain reduce office workers' quality of life, while LBP and hip pain can affect work performance and lead to absenteeism.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"431-437"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143061003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Determinants of Occupational Health and Safety Practices of Informal Waste Pickers.","authors":"David Akyen, Eric Agyemang, John Boulard Forkuor","doi":"10.1080/10803548.2025.2452753","DOIUrl":"10.1080/10803548.2025.2452753","url":null,"abstract":"<p><p>Waste pickers are crucial to waste management in developing countries like Ghana, yet face challenges due to their practices. This study explores the determinants of occupational health and safety (OHS) practices among these workers, an unexplored area. Using a cross-sectional survey and stratified sampling, data were collected from 240 waste pickers. Results identified factors such as daily earnings (<i>χ</i><sup>2</sup>(2) = 31.7, <i>p </i>< 0.000), origin (<i>χ</i><sup>2</sup>(2) = 33.9, <i>p </i>< 0.003) and ethnicity (<i>χ</i><sup>2</sup>(2) = 6.7, <i>p </i>< 0.037) affecting OHS practices. Waste pickers lack personal protective equipment (PPE) due to cost constraints, risking their health. Ethnic diversity contributes to OHS attitudes, priorities and acceptable work conditions. To improve OHS practices, recommendations include providing PPE training and access, creating supplementary income sources and ensuring safety equipment affordability. These measures will enhance waste pickers' well-being and workplace safety, addressing the challenges they face in their role within the waste management system.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"486-493"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143544275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The effect of fatigue on seafarers' ship-boarding process: jet lag disorder.","authors":"Ersan Başar, Orhun Nuri Yavuzer, İshak Altinpinar","doi":"10.1080/10803548.2024.2444125","DOIUrl":"10.1080/10803548.2024.2444125","url":null,"abstract":"<p><p><i>Objectives.</i> In parallel with the rising world population, consumption is increasing. Seafarers work intensively for the continuity of consumption. Vessel crew work under contract for specific periods. When the contract ends, new personnel join the ship while others leave. Personnel are transferred to the ship's location by plane for the change. During this flight, seafarers are exposed to rapid time zone changes that affect their circadian rhythms. This situation causes jet lag disorder, which is a sub-factor of fatigue. It is known that ship personnel sometimes board vessels without giving them a rest period when they arrive at the destination port by plane and quickly start operations under their duties and responsibilities. Seafarers can participate in risky operations without realizing that they are under the effect of jet lag. <i>Methods.</i> In this study, data were obtained by applying a survey to 114 seafarers. A jet lag disorder that may occur while the seafarers' join the ship was analyzed with an independent-sample <i>t</i> test using SPSS version 23. <i>Results and Conclusion.</i> There was a positive relationship between the seafarers' work performance at the time they joined the ship and the duration they stayed at the hotel.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"369-375"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142972631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Optimization path for construction safety resilience in megaprojects from the perspective of configuration.","authors":"Yuanyuan Kou, Kai Liu","doi":"10.1080/10803548.2025.2454802","DOIUrl":"10.1080/10803548.2025.2454802","url":null,"abstract":"<p><p>Construction safety has always been the key and focus of construction and management in megaprojects. Based on resilience theory and system theory, this study constructed an integrated analysis framework of construction safety resilience in megaprojects from the perspective of configuration. Qualitative comparative analysis (QCA) was used to analyse the configuration effect of multiple influencing factors on construction safety resilience in megaprojects of plateau and plain regions in China, and to explore the optimization path of construction safety resilience. The findings indicate that core drivers and optimization conditions for construction safety resilience in megaprojects are differentiated in the optimization paths for the two types of region. Moreover, megaprojects in the plateau regions are more focused on human capacity and require more technological tools to support safe construction than in the plain regions. The findings provide a theoretical basis and practical foundation for targeted optimization of construction safety resilience in plain and plateau megaprojects.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"603-614"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Analysis of typical unsafe behaviors and common characteristics in accidents: a case study of accidents occurring over the past 3 years in China.","authors":"Xiangchun Li, Yueyi Li, Chunli Yang, Mingtao Wang, Jingjing Shi, Changyong Zhou, Xiaowei Li, Jing Yuan","doi":"10.1080/10803548.2025.2455272","DOIUrl":"10.1080/10803548.2025.2455272","url":null,"abstract":"<p><p>The direct cause of safety accidents is the unsafe behavior of production personnel. The fundamental approach to reducing all types of accidents is to prevent and control the occurrence of unsafe behavior among production personnel. This article identifies the cases of safety accidents in the past 3 years, analyzes the typical unsafe behaviors in the accidents, constructs the correlation network of unsafe behaviors and their characteristics, conducts the correlation analysis of unsafe behaviors and characteristic elements based on the correlation rules, determines the common characteristics of unsafe behaviors and puts forward the targeted measures. The results indicate that there is a significant correlation between typical unsafe behaviors of production personnel and 'lack of safety awareness', 'insufficient knowledge and skills' and 'lack of safety education'. The study provides scientific and reliable support for the pre-control and governance of unsafe behaviors in production enterprises.</p>","PeriodicalId":47704,"journal":{"name":"International Journal of Occupational Safety and Ergonomics","volume":" ","pages":"615-624"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143434044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}