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Effect of Environmental Distraction on Human Error: A Path Analysis Study Publisher



Mahdinia M1 ; Sadeghi Yarandi M2 ; Fallah H3 ; Hokmabadi R4 ; Soltanzadeh A1
Authors
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Authors Affiliations
  1. 1. Department of Occupational Health and Safety Engineering, Faculty of Health, Qom University of Medical Sciences, Qom, Iran
  2. 2. Department of Occupational Health and Safety Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Occupational Health and Safety Engineering, Health Faculty, Yazd University of Medical Sciences and Health Services, Yazd, Iran
  4. 4. Department of Occupational Health and Safety Engineering, School of Public Health, North Khorasan University of Medical Sciences, Bojnurd, Iran

Source: Fatigue: Biomedicine, Health and Behavior Published:2025


Abstract

Objective: This study aimed to investigate the effects of environmental distractions on human error, exploring the mediating roles of fatigue, sleepiness, and human–system interaction through path analysis. Method: The research involved 474 male workers from various industries in Iran. Data were collected using a self-administered questionnaire that assessed variables including environmental distraction, fatigue, quality of human–system interaction, sleepiness, and human error. Data analysis was conducted using path analysis in IBM SPSS AMOS 24, evaluating the direct, indirect, and total effects of the variables on human error. Results: The results indicated that environmental distraction had a total effect of 0.147, while human–system interaction exhibited a small negative effect of–0.039. Fatigue and sleepiness had significant positive effects of 0.357 and 0.348, respectively, suggesting that fatigue is the most influential variable affecting human error. The model explained 22% of the variance in human error. Conclusion: The findings underscore the multifaceted nature of human error and highlight the need for a holistic approach that addresses environmental, psychological, and system-related factors. By mitigating environmental distractions, managing fatigue, optimizing human–system interactions, and promoting healthy sleep practices, organizations can enhance human performance and improve safety outcomes. © 2025 IACFS/ME.
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