INVESTIGATING THE ERGONOMIC CONDITIONS IN THE USE OF VISUAL DISPLAYS AND THEIR RELATIONSHIPS WITH SUBJECTIVE FEELING OF FATIGUE IN GRADUATE STUDENTS OF HAMADAN UNIVERSITY OF MEDICAL SCIENCES

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HESAM GHASEM; ALIABADI MOHSEN; FARHADIAN MARYAM; AFSHARI DOUST VAHID

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Journal: Iranian Journal of Ergonomics Year:2013 | Volume:1 | Issue:2 Page(s): 1-9

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Title

INVESTIGATING THE ERGONOMIC CONDITIONS IN THE USE OF VISUAL DISPLAYS AND THEIR RELATIONSHIPS WITH SUBJECTIVE FEELING OF FATIGUE IN GRADUATE STUDENTS OF HAMADAN UNIVERSITY OF MEDICAL SCIENCES

Author(s)

HESAM GHASEM | ALIABADI MOHSEN | FARHADIAN MARYAM | AFSHARI DOUST VAHID | Issue Writer Certificate

Keywords

FEELING OF FATIGUEQ2

COMPUTERQ1

VISUAL DISPLAYSQ2

Abstract

Introduction: This study aimed to determine the association between ergonomic conditions in the use of VISUAL DISPLAYS and subjective FEELING OF FATIGUE in graduate students. Materials and Methods: In this cross-sectional study, 70 graduate students were selected randomly from Hamadan University of Medical Sciences. The data collecting technique was a standard questionnaire containing 30 questions which covered the three criteria of drowsiness, inability to concentrate and physical discomfort. Ergonomic and environmental working conditions were also measured and recorded. Meanwhile, the magnetic and electric field intensities in the very low frequency range were measured according to standard methods. Then the data were analyzed using descriptive and inferential statistics.Results: The scores of indices of drowsiness, inability to concentrate, physical discomfort were 17.8 (6.5), 18.7 (4.4), 11.9 (6.9), respectively. There was a significant association between the continuous time of working with COMPUTER and fatigue (P=0.017). Significant correlation was found between the type of display used and the level of fatigue (P=0.012). However, Significant correlation was not found between environmental conditions of the workstations and FEELING OF FATIGUE (P=0.07). The difference in the intensity of magnetic fields was also significant with respect to the type of display (P=0.021).Conclusion: Inability to concentrate index had the highest fatigue score that could have a negative impact on the academic performance of students. Regarding ergonomic principles of work with COMPUTERs, especially decreasing the continuous time of working with COMPUTERs and using the latest VISUAL DISPLAYS can significantly reduce the level of fatigue in students.

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