Showing 3 results for Alinia
Rostam Golmohammadi, Mojtaba Kamalinia, Kamalodin Abedi, Sara Karimi, Mahbubeh Eshaghi,
Volume 2, Issue 1 (Journal of Ergonomics 2014)
Abstract
Introduction: Many calls already perform by cell phones that have need to radiation exposure by users. Because of health reasons and some doubts about effects, this study was conducted to determine the extent of the mobile phones radiations and self report symptoms of users.
Material and Method: In this cross-sectional study, 80 available randomly users contain students and staffs of Hamadan University of medical sciences in 2012 were selected. Electro Smog meter TES-593 was used as radiation measurements tool. In order to assess health effects of mobile phones’ radiation, a self-administered survey questionnaire were used. Statistical analyses were performed using T-test, ANOVA and X2 tests by SPSS 11.5.
Results: Results showed that the conversation mode had a highest level of electromagnetic indices in the studied cell phones. Compare means of power density that emitted from studied mobile phones had significantly difference (P=0.001). Relationship between exposure to the mobile phones radiation by symptoms of head-ache, anxiety and sleep disturb were significant (P=0.02, P=0.03, and P=0.002 respectively).
Conclusion: Although, there is founding the relations between exposure to cell phones electromagnetic fields and some self-reported symptoms in line with same reports, These symptoms can not be absolutely attributed to the use of mobile phones. With these considerations it is recommended that for prevention of health risks from cell phones, safe type selection, control of call duration and frequency of use of these devices should be mentioned.
Maziyar Arassi, Heidar Mohammadi, Majid Motamedzade, Mojtaba Kamalinia, Davoud Mardani, Misagh Mohammadi Beiragani, Mehdi Shekari, Mehdi Akbarzadeh,
Volume 2, Issue 1 (Journal of Ergonomics 2014)
Abstract
Background: Psychosocial factors are present in most workplaces that could affect various aspects of workers’ health. Accordingly, psychosocial risks may lead to work related musculoskeletal disorders, increased risk of cardiovascular disease, effect on quality of working life, sickness absence, depression work injuries and accidents and various health problems. The aim of the present study was to assess work psychosocial problems and their association with non-fatal occupational accidents among Aghmary workers of Iranian drilling rigs.
Methods: A cross-sectional study using the short version of the Copenhagen Psychosocial Questionnaire (COPSOQ) was carried out on a total sample of 270 employees working on Aghmary system in drilling rigs. History of non-fatal occupational accidents was assessed by self-report during one year prior to the study. Statistical analyses were done using SPSS 16.0.
Results: The results showed that high work pace (OR=1.55), high emotional demands (OR=1.62), high influence at work (OR=1.5), low quality of leadership (OR=1.8), low social support (OR=1.87), high burnout (OR=1.72) and high threat of violence (OR=6.2) were significantly related to non-fatal occupational accident.
Conclusions: This study revealed the significant association between occupational accident and some psychosocial dimensions and recommended the incorporation of psychosocial factors in preventive measures.
Seyedeh Sahar Mirnabizadeh, Cyrus Alinia, Abolfazl Ghahramani,
Volume 14, Issue 2 (Iranian Journal of Ergonomics-In Press 2026)
Abstract
Background and Objective: Inappropriate workplace design and neglect of ergonomics and safety reduce productivity and increase organizational costs. This study aimed to investigate the relationship between safety climate and ergonomic climate with individual performance and the approximate PALY index.
Methods: This cross-sectional analytical study was conducted in 2025 with 420 employees from six food companies in Urmia, Iran. Data were collected using validated questionnaires for safety climate, ergonomic climate, individual work performance, and a productivity evaluation form was employed to calculate the approximate PALY index. Data were analyzed using Mann-Whitney U, Kruskal-Wallis, Spearman's correlation, and linear regression.
Results: A strong positive correlation was found between safety climate and ergonomic climate (ρ = 0.84, p < 0.01). Safety climate showed a weak positive correlation with individual performance (ρ = 0.12, p = 0.01). Multiple linear regression revealed that ergonomic climate (β = 0.28, p < 0.001) and company of employment (β = -0.31, p < 0.001) were significant predictors of individual performance, whereas work experience (β = 0.87, p < 0.001) and company of employment (β = -0.08, p < 0.001) were significant predictors of the approximate PALY index.
Conclusion: The strong correlation between safety and ergonomic climate highlights them as synergistic components. Ergonomic climate (not safety climate) is an independent predictor of individual performance, while work experience is the strongest predictor of the approximate PALY index. The lack of association between self-rated performance and the approximate PALY index reveals a deep perceptual gap between employee self-assessment and managerial evaluation
