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All Journal Jurnal Optimasi Sistem Industri Journal Of Industrial Engineering & Technology Innovation
Auditya Purwandini Sutarto
Universitas Qomaruddin Gresik
Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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The Influence of Stress on Industrial Operator’s Physiology and Work Performance Kamarulzaman Mahmad Khairai; Auditya Purwandini Sutarto; Muhammad Nubli Abdul Wahab
Jurnal Optimasi Sistem Industri Vol. 19 No. 2 (2020): Published in November 2020
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1227.256 KB) | DOI: 10.25077/josi.v19.n2.p82-90.2020

Abstract

Elevated stress has been widely associated with physical and physiological threats as well as reduced work performance. However, there is still a lack of studies that investigate whether stress influences concurrently physiological and objective work performance. The purpose of this study is to examine whether workers’ level of stress or negative emotional symptoms correlates with their physiological coherence and work performance. Eighteen female operators who reported high severity levels of stress, assessed using the Depression, Anxiety, and Stress Scale (DASS-42) were categorized as the risk group. The comparison group was formed by randomly selecting 18 of 99 female workers who had significantly lower DASS scores. Both participants attended one session of physiological measurement. Their work performance was observed by calculating their cycle time completing a product during five workdays. A significant difference in HRV between the two groups was also found in physiological and work performance measures. The results showed that workers in the risk group obtained significantly lower coherence levels and longer work cycle time than the control participants, indicating that negative emotional symptoms were parallel with physiological coherence and work performance. However, a weak correlation was found between work performance and negative emotional symptoms as well as physiological coherence. Despite the study limitations, our findings support to evidence the more complete picture of how stress affects female worker’s physiology and work performance, suggesting a need to implement effective workplace stress intervention. Further study is needed to be conducted among different group characteristics such as male and occupational settings.
The Influence of Stress on Industrial Operator’s Physiology and Work Performance Kamarulzaman Mahmad Khairai; Auditya Purwandini Sutarto; Muhammad Nubli Abdul Wahab
Jurnal Optimasi Sistem Industri Vol. 19 No. 2 (2020): Published in October 2020
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (616.904 KB) | DOI: 10.25077/josi.v19.n2.p44-66.2020

Abstract

Elevated stress has been widely associated with physical and physiological threats as well as reduced work performance. However, there is still a lack of studies that investigate whether stress influences concurrently physiological and objective work performance. The purpose of this study is to examine whether workers’ level of stress or negative emotional symptoms correlates with their physiological coherence and work performance. Eighteen female operators who reported high severity levels of stress, assessed using the Depression, Anxiety, and Stress Scale (DASS-42) were categorized as the risk group. The comparison group was formed by randomly selecting 18 of 99 female workers who had significantly lower DASS scores. Both participants attended one session of physiological measurement. Their work performance was observed by calculating their cycle time completing a product during five workdays. A significant difference in HRV between the two groups was also found in physiological and work performance measures. The results showed that workers in the risk group obtained significantly lower coherence levels and longer work cycle time than the control participants, indicating that negative emotional symptoms were parallel with physiological coherence and work performance. However, a weak correlation was found between work performance and negative emotional symptoms as well as physiological coherence. Despite the study limitations, our findings support to evidence the more complete picture of how stress affects female worker’s physiology and work performance, suggesting a need to implement effective workplace stress intervention. Further study is needed to be conducted among different group characteristics such as male and occupational settings.
INTEGRASI ERGONOMIC CHECKPOINTS AND 5S UNTUK PENINGKATAN LINGKUNGAN KERJA PADA UMKM BENGKEL: STUDI KASUS BENGKEL KETOK MAGIC CAK MAD Muhammad Thoriq Rosyadi; Nailul Izzah; Auditya Purwandini Sutarto
Journal of Industrial Engineering & Technology Innovation Vol. 4 No. 1 (2026): Journal of Industrial Engineering & Technology Innovation (JIETI)
Publisher : LENVARI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61105/jieti.v4i1.422

Abstract

Working conditions in small and medium enterprises (SMEs), particularly in automotive workshops, often do not meet ergonomic standards, leading to safety risks and reduced productivity. This study aims to implement an integrated Ergonomic Checkpoints–5S approach to evaluate and improve the working environment at Cak Mad Auto Body Repair Workshop. This study is among the few to integrate Ergonomic Checkpoints and 5S/5R within the context of small and medium-sized automotive workshops, whereas these approaches have previously been applied primarily in large-scale manufacturing industries or other types of SMEs. Data were collected through direct observation, Ergonomic Checkpoints checklist assessment, and measurement of lighting and noise levels using a multifunction environment meter. Out of 132 checklist items, 64 relevant aspects were evaluated, with 39 classified as compliant and 25 requiring improvement. The findings indicate that key issues include inadequate lighting, excessive noise levels, poor machine safety, and disorganized tool layout. The implementation of the Ergonomic Checkpoints–5R integration generated improvement recommendations across five priority aspects, including work tool organization, development of safety SOPs, use of personal protective equipment (PPE), and improvements to lighting systems and work areas. Visually, the post-improvement conditions showed a more organized workspace, better arrangement of tools, and improved safety and comfort within the workshop environment.
Co-Authors Kamarulzaman Mahmad Khairai Muhammad Nubli Abdul Wahab Muhammad Thoriq Rosyadi Nailul Izzah