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Sekretariat ILUNI MKK FKUI dan Program Studi Magister Kedokteran Kerja (MKK) Departemen Ilmu Kedokteran Komunitas, Fakultas Kedokteran Universitas Indonesia Jl. Pegangsaan Timur No.16, RT.1/RW.1, Pegangsaan, Kec. Menteng, Kota Jakarta Pusat, Daerah Khusus Ibukota Jakarta 10310
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The Indonesian Journal of Community and Occupational Medicine
Published by Universitas Indonesia
ISSN : -     EISSN : 2798723X     DOI : https://doi.org/10.53773/ijcom.v1i2
Core Subject : Health,
Health Professions Medicine & Pharmacology
IJCOM publishes original research articles, expert opinion, consensus, literature and systematic review as well as commentary focusing on various streams of community health sciences and occupational medicine including health and safety sciences and researches, community and occupational nutrition, community and public health, clinical epidemiology, marine and aviation medicine, public health administration, health management, health economics, health promotion, medical sociology/anthropology, social and family medicine. IJCOM also open for special edition and supplement volume publication
Arjuna Subject : Kedokteran - Kedokteran (Lain-Lain)
Articles 109 Documents
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Comparison of Fatigue Dimensions between Warehouse Staff and Heavy Equipment Technicians in The Mining Sector Bahari, Mohammad Ikram; Friska, Dewi; Fitriani, Dewi Yunia; Fuady, Ahmad; Adi, Nuri Purwito
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.
The Relationship between Adversity Quotient and Emotional Mental Disorders in Onshore Workers in The Upstream Oil and Gas Sector Jonanda, Herik Okta; Soemarko, Dewi Sumaryani; Purwito Adi, Nuri; Mutiara, Ade; Ilyas, Muhammad
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.v5i2.179.39-48

Abstract

Background: Adversity Quotient (AQ) is an essential concept for understanding an individual’s capacity to cope with adversity, including prolonged workplace stress that may lead to Emotional Mental Disorders (EMD), particularly among Onshore workers in the upstream oil and gas sector. Harsh physical work environments and psychosocial pressures place these workers at increased risk of developing EMD. Although AQ has been shown to correlate negatively with stress, no specific research has investigated the relationship between AQ and EMD in this population. Objective: This study aims to examine the relationship between AQ and EMD among Onshore workers in the upstream oil and gas.Methods: This was an observational analytic study with a cross-sectional design involving 155 high-risk Onshore workers in the upstream oil and gas sector. Data were collected using total sampling and measured through the Self-Reported Questionnaire-20 (SRQ-20) and the Adversity Response Profile (ARP). Data analysis was conducted using the Chi-square test and Fisher’s exact test.Results: Fisher’s test results, Adversity Quotient and emotional mental disorders were not significantly related (p = 0.47).Conclusion: There is no significant correlation between Adversity quotient (AQ) and emotional mental disorders onshore workers in the upstream sector oil and gas.
Mental Workload and Work Stress among Train Drivers and Their Associated Factors: A Cross-Sectional Study in Indonesia Hidayat, Marizca Saras Chitra; Fuady, Ahmad; Wibowo, Suryo; Soemarko, Dewi; Purwito Adi, Nuri
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.v5i2.186.56-65

Abstract

Background: Employment in the railway sector is one of the professions that involves high challenges and demands, as it requires handling various complex tasks and responsibilities to ensure the safety and comfort of passenger travel. Train driver and train co-driver bear a high workload and face complex mental demands, making them vulnerable to work stress.Objective: This study aims to examine the relationship between mental workload and work stress, as well as occupational and sociodemographic factors among train driver and train co-driver in DAOP 2 Bandung.Methods: A cross-sectional analytical observational study was conducted using data from routine medical check-ups. Mental workload was measured using the NASA-TLX questionnaire, while work stress was assessed using the Job Stress Scale (JSS).Results: Among 106 participants, 53% experienced high mental workload, while 97% reported low to moderate work stress. No significant associations were found between work stress and mental workload (p=0.190), job type, years of service, age, marital status, income, number of dependents, or coworker support. However, work stress was significantly associated with role expectation conflict (p<0.001) and work-life balance (p=0.029). After multivariate analysis, only role expectation conflict remained significantly associated. Workers experiencing moderate to high role expectation conflict had a 14.3-fold higher risk of work stress (CI 4.45–46.17).Conclusion: Role expectation conflict is a significant factor associated with work stress. Addressing psychosocial factors through clear role definitions and policies supporting work-life balance is essential in reducing stress among train crews.
Iron Deficiency Anemia in Female Workers: A Critical Occupational Health Priority Basrowi, Ray Wagiu
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.v5i2.190.36-8

Abstract

Background: Iron deficiency anemia (IDA) is a major occupational health concern among female industrial workers in Indonesia, with prevalence reaching 24–46%. It affects productivity, safety, and gender equity.Methods: Narrative review of national surveys, WHO reports, and peer-reviewed studies on IDA prevalence, determinants, and workplace interventions.Results: Evidence shows IDA reduces endurance, cognitive performance, and reaction time, increasing accident risk. Current workplace programs remain inconsistent and poorly integrated into occupational health systems.Conclusions: IDA prevention should be mandated as part of occupational health policy through surveillance, supplementation, and nutrition programs to protect workers and improve productivity.
Prevalence and Departmental Variations of Work-Related Musculoskeletal Disorders among Electricity Distribution Workers Muyiwa, Omotunde; Akinremi, F. T.
The Indonesian Journal of Community and Occupational Medicine Vol. 5 No. 3 (2026): ijcom
Publisher : ILUNI MKK FKUI and PRODI MKK FKUI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53773/ijcom.v5i3.192.84-93

Abstract

Introduction: Electricity distribution workers are exposed to occupational hazards that may cause Work-related Musculoskeletal Disorders (WMSDs). However, studies are sparse on the departmental variation of the prevalence of WMSDs among the electricity workers in Nigeria. Objective: To examine the prevalence and departmental variations of WMSDs among Ibadan Electricity Distribution Company (IBEDC) employees. Method: A descriptive cross-sectional survey was conducted among 240 employees from three different departments across five service hubs of IBEDC. Demographic and WMSDs data were collected using a standardised Nordic musculoskeletal questionnaire. Data were analysed using percentages, descriptive statistics, and regression at to examine departmental variations. Result: Customer service worker reported highest WMSDs prevalence in the past 7days and 12months at lower back (10.9 and 23.0%), knees (9.6 and 20.4%), hips/thighs (8.3 and 17.8%), ankles/feet (7.4 and 16.5%), and neck (7.4 and 16.5%), respectively, followed by technical, and then administrative staff. The body areas that prevented most of the employees from working were the lower back, knees, upper back, and ankles/feet across departments. The findings revealed a statistically significant (p<0.05) difference between departments in variations of prevalence of the WMSDs among the workers. Conclusion: The prevalence of work-related musculoskeletal disorders was found to be common among customer service workers but significantly varied across the three departments. Ergonomic interventions, job redesign, and health education programs based on the department are required to minimise musculoskeletal symptoms.
Risk of Burnout among Younger Health Quarantine Workers in Indonesia Sholihah, Ratih Catur; Soemarko, Dewi Sumaryani; Agustina, Amilya; Wibawanti, Retno; Adi, Nuri Purwito
The Indonesian Journal of Community and Occupational Medicine Vol. 5 No. 3 (2026): ijcom
Publisher : ILUNI MKK FKUI and PRODI MKK FKUI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53773/ijcom.v5i3.195.77-83

Abstract

Introduction: Burnout is a work-related stress condition commonly associated with long working hours and high job demands, making health quarantine workers particularly vulnerable. Evidence on the role of age in burnout is inconsistent, although older workers are often assumed to be at higher risk. This study investigates the relationship between age and burnout among health quarantine workers to determine which age group is more prone to burnout and to provide evidence that can guide early preventive interventions. Methods: A cross-sectional study was conducted in September–October 2025 using secondary data from a survey by PT Y. Burnout was measured using the Maslach Burnout Inventory (MBI) questionnaire. Results: Burnout prevalence among health quarantine workers was 25.4%. Multivariate analysis showed a p-value of 0.049 for age. Statistical tests showed p-values > 0.05 for the relationships between gender, education level, marital status, having children under five years old, work patterns, length of service, work area, employment status, or commuting distance with overall burnout. Conclusion: More than one-fourth of health quarantine workers experienced burnout, with younger workers showing the highest risk. Age was the strongest predictor of burnout, indicating greater vulnerability among younger staff. Targeted support for early-career workers is essential to reduce burnout risk and strengthen workforce well-being.
Stratum Corneum as a Sampling Matrix for Biomarker-Based Assessment of Solar Ultraviolet Exposure among Outdoor Workers Akbar, Freade; Ilyas, Muhammad
The Indonesian Journal of Community and Occupational Medicine Vol. 5 No. 3 (2026): ijcom
Publisher : ILUNI MKK FKUI and PRODI MKK FKUI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53773/ijcom.v5i3.197.109-18

Abstract

Introduction: Outdoor workers experience substantial solar ultraviolet radiation (UVR) exposure, yet related occupational skin diseases remain under-recognized. Early identification of biological changes induced by UVR is important for prevention. The stratum corneum (SC), the outermost epidermal layer, contains biochemical components responsive to UVR and can be sampled non-invasively, suggesting its potential as a biomarker source.Methods: We conducted a structured literature review using major scientific databases focusing on UVR exposure, occupational health, and SC-based biomarkers. Papers describing the physiology of UVR exposure, established measurement methods, occupational risk profiles, and potential SC biomarkers, including urocanic acid (UCA) isomers and immunological mediators, were evaluated based on relevance and methodological rigor. Results: Solar UVR, classified as a Group 1 carcinogen, induces acute and chronic skin effects. Outdoor workers receive cumulative UVR doses two to four times higher than indoor workers. Tape stripping enables minimally invasive SC collection suitable for biochemical, microscopic, and immunological analysis. Among potential markers, the trans- to cis-urocanic acid isomerization ratio demonstrates consistent UVR-dose responsiveness and correlates with exposed anatomical sites. Several cytokines involved in inflammation and UVR-induced immunomodulation may complement UCA analysis, although their consistency across studies varies.Conclusion: The SC provides a practical matrix for assessing solar UVR exposure among outdoor workers. UCA isomer ratios represent the most promising SC biomarker, supported by mechanistic and empirical evidence. Standardization of sampling, analysis, and interpretation is required before incorporation into occupational surveillance programs.
Return-to-Work Assessment for Traditional Tin Miners with Tuberculosis and Pneumoconiosis: A Case Report Using PERDOKI’s 7-Step Fit-to-Work Method Alfares, Heru; Edwin, Yohanes; Purwito, Nuri
The Indonesian Journal of Community and Occupational Medicine Vol. 5 No. 3 (2026): ijcom
Publisher : ILUNI MKK FKUI and PRODI MKK FKUI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53773/ijcom.v5i3.203.104-8

Abstract

Background: Workers involved in Indonesia’s traditional tin mining face significant risks of developing pneumoconiosis, primarily due to persistent exposure to ore dust. Striking a balance between maintaining productivity and safeguarding worker health is essential. Implementing structured return-to-work evaluations becomes crucial for monitoring health outcomes and ensuring safer working conditions. Case: A 38-year-old male with a one-year history of surface tin mining presented with a persistent cough and worsening shortness of breath. Imaging revealed bilateral nodular opacities, findings consistent with pneumoconiosis. Spirometry demonstrated a restrictive ventilatory defect. No significant comorbidities were identified. Methods: The seven-step PERDOKI protocol was used to assess fitness to work (FTW): (1) task analysis, (2) job demand assessment, (3) medical status evaluation, (4) disability evaluation, (5) risk analysis, (6) environmental tolerance evaluation, and (7) final FTW decision.Results: The miner does not meet the required 7.9 METs threshold for physical capacity. Consequently, he has been classified as “temporarily unfit as a miner.” Medical recommendations include ongoing treatment and a gradual return-to-work schedule, along with regular pulmonary assessments.Conclusion: The PERDOKI 7-step protocol serves as a structured, evidence-based approach to assessing whether a tin miner with pneumoconiosis is ready to return to work. Rather than a one-size-fits-all solution, this protocol emphasizes careful health monitoring and tailored job modifications.
The Association of Hydration Status and Other Occupational Factors with Attention, Concentration, and Working Memory among Mine Workers Yusuf, Adrian Cristianto; Dewi Friska; Yetty Ramli; Pukovisa Prawiroharjo; Agus Sugiharto
The Indonesian Journal of Community and Occupational Medicine Vol. 5 No. 3 (2026): ijcom
Publisher : ILUNI MKK FKUI and PRODI MKK FKUI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53773/ijcom.v5i3.204.94-103

Abstract

Background: Hot work environments and poor hydration status may impair workers’ cognitive functions, particularly attention, concentration, and working memory, increasing the risks of operational errors and unsafe behaviors. In open-pit coal mining, heat exposure, high workload, and operational demands contribute to elevated incident rates.Objective: This study aimed to examine the association between hydration status and occupational factors with attention, concentration, and working memory among mine workers at PT. X.Methods: This analytic observational study employed a cross-sectional design among 90 morning-shift coal miners at PT. X, East Kalimantan, recruited using convenience sampling. Cognitive function was assessed using the Digit Span Test, with the Forward Digit Span (FDS) subtest assessing attention and concentration and Backward Digit Span (BDS) subtest assessing working memory. Hydration status was assessed using Urine Specific Gravity (USG) to determine hydration trends over three consecutive days, and perceived stress was measured using the Perceived Stress Scale-10 (PSS-10).Results: The result showed significant associations between hydration status and attention and concentration (p=0.023), as well as working memory (p=0.019). Job type, workload, and work climate were also significantly associated with attention, concentration, and working memory. No change in hydration status trends were observed during the three-day measurement period, with a consistent median USG value of 1,018, indicating mild dehydration. Conclusion: Hydration status, job type, workload, and hot work climate were significantly associated with attention, concentration, and working memory, whereas age, sex, health status, and perceived stress did not show consistent associations with cognitive outcomes.

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