Mojtaba Kianmehr

Faculty of Medicine, Department of Medical Physics, Gonabad University of Medical Sciences, Gonabad, Iran


  • Research   
    Promotion of Psychological Well-being of Stoneworkers by Eliminating Noise Pollution
    Author(s): Jahanshir Tavakolizadeh, Mohammad Hosein Beheshti and Mojtaba Kianmehr*

    Introduction: Noise as a stressor has numerous psychological consequences for workers. To prevent these consequences, workers need to use hearing protection devices. This study tends to compare effect of earmuffs and hocks on psychological well-being of stoneworkers. Methods: In this quasi-experimental study with pre-test and post-test design, 60 healthy male workers of all stone cutting factories in Gonabad were selected by simple random sampling. Sample size was determined using the formula for calculating sample size in analytic observational studies and interventional studies. Initially, sound intensity was measured by Sound Level Meter and then psychological well-being of workers was determined by Ryff’s Psychological Well-being Scales (RPWBS). Then, samples were randomly assigned to two groups of 30 who used earmuffs and hocks fo.. Read More»

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