Volume 12, Issue 2 (Occupational Medicine Quarterly Journal 2020)                   tkj 2020, 12(2): 36-46 | Back to browse issues page

Ethics code: IR.SBMU.PHNS.REC.1397.019


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Kavousian M, Salehi Sahlabadi A, Jafari M J, Khodakarim S, Rabiei H. Investigation of work ability index (WAI) and its relationship with maximal aerobic capacity (VO2max) among cement industry employer. tkj. 2020; 12 (2) :36-46
URL: http://tkj.ssu.ac.ir/article-1-1071-en.html
Department of Occupational Health, School of Public Health and safety, Shahid Beheshti University of Medical Sciences, Tehran , asalehi529@sbmu.ac.ir
Abstract:   (159 Views)
Introduction: Given the importance of adapting workerschr('39') physical and mental capabilities to their job needs, measuring their ability to work, maintaining, and upgrading, it has become an essential task. This study aimed to investigate WAI and its relationship with VO2max at one of the cement companies.
Materials and Methods: This cross-sectional study was conducted among 130 employees of a cement company in Iran in 2018. For data collection, the WAI, Queenschr('39')s test for maximum oxygen consumption, and a questionnaire designed by researchers (socio-demographic and work-related factors) were used. SPSS 21 was used to analyze the data. 
Results: The results showed that the mean ± standard deviation of WAI in staff was 39.35 ± 4.64. Among the demographic and related variables, sports activity (P > 0.04) and sleep quality (P < 0.001), and work experience (P> 0.046) were significantly correlated with WAI. There was a significant positive correlation between the mean score of WAI and Vo2max (r = 0.21, p < 0.05). Regression modeling showed that Vo2max was the only significant predictor of WAI.
Conclusion: According to the results of the study, to control and enhance the ability of the staff of the study, occupational intervention programs should focus on improving sleep quality and increased exercise. Also, considering the positive relationship of Vo2max to the WAI of the surveyed staff, it is recommended to select suitable employees in terms of aerobic capacity according to the workload of the job.
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Type of Study: Research | Subject: Ergonomics
Received: 2020/04/28 | Accepted: 2020/10/1 | Published: 2020/10/1

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