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All Journal The Indonesian Journal of Community and Occupational Medicine
Ahmad Fuady
Department of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
Health Professions Medicine & Pharmacology

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Comparison of Fatigue Dimensions between Warehouse Staff and Heavy Equipment Technicians in The Mining Sector Mohammad Ikram Bahari; Dewi Friska; Dewi Yunia Fitriani; Ahmad Fuady; Nuri Purwito Adi
The Indonesian Journal of Community and Occupational Medicine Vol. 5 No. 2 (2025): ijcom
Publisher : ILUNI MKK FKUI and PRODI MKK FKUI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53773/ijcom.v5i2.174.49-55

Abstract

Background: Work-related fatigue is a multidimensional condition that can reduce productivity and increase the risk of workplace accidents, particularly in professions with high physical and mental demands such as heavy equipment technicians and warehouse workers in the mining sector. Both professions work under shift systems and high workloads; however, studies comparing the dimensions of fatigue between the two remain limited.Objective: To determine the proportion of fatigue levels and compare fatigue dimensions between warehouse workers and heavy equipment technicians.Methods: A descriptive-comparative cross-sectional study was conducted on 132 male workers (100 heavy equipment technicians and 32 warehouse workers) at a mining company in South Kalimantan, Indonesia. Demographic and job-related characteristics were collected. Fatigue was measured using the Swedish Occupational Fatigue Inventory (SOFI) in Indonesian, which has been validated, covering five dimensions: energy deficiency, physical exertion, physical discomfort, sleepiness, and lack of motivation. Descriptive and comparative statistical analyses were conducted.Results: Mild fatigue (among technicians and warehouse staff were 90% and 93.8% ). Moderate fatigue was experienced by 10% of technicians and 6.3% of warehouse staff. No participants experienced severe fatigue. Among heavy equipment technicians, the highest dimension was physical exertion, while the highest dimension of fatigue among warehouse staff was lack of energy. Work factors, age, work experience, and nutritional status were not significantly associated with fatigue levels.Conclusion: Mild fatigue dominates in both work groups, as this company is a supporting company for a mining company, there have never been any near misses or incidents, and has an appropriate management. For the overall fatigue dimension, heavy equipment technicians scored higher than warehouse staff. However, fatigue checks should still be carried out regularly among workers.
Low Back Pain and Associated Factors among Workers in The Blacksmithing Industry in Java, Indonesia Diana Lutvia; Retno Wibawanti; Ahmad Fuady; Muhammad Ilyas; Dewi Sumaryani Soemarko
The Indonesian Journal of Community and Occupational Medicine Vol. 6 No. 1 (2026): ijcom
Publisher : ILUNI MKK FKUI and PRODI MKK FKUI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53773/ijcom.v6i1.175.1-7

Abstract

Background: Low back pain (LBP) is a common musculoskeletal disorder among informal sector workers, including blacksmiths. particularly because of non-ergonomic work positions.Objective: This study aims to identify the prevalence of low back pain (LBP) and its associated characteristics among blacksmith workers in Mekarmaju Village, Bandung Regency.Methods: A cross-sectional study was carried out among 105 blacksmiths with interview, the Bodymap Discomfort questionnaire, the Visual Analogue Scale (VAS), physical examination, and measurement of trunk flexion angle using APECS version 8.05.07. In this study, LBP among blacksmith workers was characterized as chronic non-specific low back pain.Results: LBP prevalence among blacksmiths was 58.1%. Factors significantly associated with LBP included forward-bending posture (p=0.034; aOR 3.7; 95% CI 1.1–12.5), static sitting posture for ≥4 hours (p=0.009; aOR 3.6; 95% CI 1.4–9.4), rest duration <0.5 hours (p=0.006; aOR 7.9; 95% CI 1.8–35.3), and age ≥35 years (p=0.006; aOR 4.6; 95% CI 1.6–13.6). Other occupational and individual factors didn’t have a significant correlation with LBP.Conclusion: These results indicate the necessity for immediate ergonomic interventions and health assessments at the beginning of employment for preventing LBP among informal sector workers.
Co-Authors Dewi Friska Dewi Sumaryani Soemarko Dewi Yunia Fitriani Diana Lutvia Mohammad Ikram Bahari Muhammad Ilyas Nuri Purwito Adi Retno Wibawanti