Abstract
Abstract Aim: Considering the importance and necessity of physical and mental fitness of the employees with their job demands, this study aimed to estimate the levels of aerobic capacity among the workers and determine the factors that might affect these levels. The relationship between the aerobic capacity levels and the values of workers’ cognitive function and workability was also investigated. Materials and Methods: Sixty healthy male employees from a dairy factory were recruited using a random sampling method. The study design consisted of the completion of checklists containing personal data, anthropometric measurements, and evaluation of job ability, maximum aerobic capacity along with the cognitive ability of the participants using the Workability Index (WAI) standard questionnaire, Queen’s College step test, and psychomotor vigilance test (PVT), respectively. Results: The mean values of VO2 max, reaction time (RT), and WAI of workers were 45.54 ± 6.13 mL/kg/min, 337.82 ± 29.93 ms, and 42.76 ± 5.02, respectively. Based on the Pearson correlation test, a weak statically significant correlation was observed between PVT and VO2 max (r = 0.3, P = 0.02) as well as PVT and physical work capacity (r = 0.263, P = 0.04). The findings of this study showed that there was a significant relationship between height, weight, body mass index, RT, and error percentage with maximal aerobic capacity (VO2 max). Conclusion: According to the physiological criteria, the employees’ capabilities and job requirements are not in balance; particularly for those working in laboratory, office, or service departments. Therefore, using standardized recruitment tests, providing sports facilities and developing integrated indicators are a principal element of establishing an ergonomic balance in this workplace.
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More From: International Journal of Environmental Health Engineering
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