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Association Between Occupational Stress, Sleep Quality, And Premature Ejaculation Among Indonesian Information Technology Workers, Muhammad Faisal Ratman, Suryo Wibowo, Muhammad Ilyas, Retno Asti Werdhani, Dewi Yunia Fitriani

Occupational and Environmental Medicine Journal of Indonesia

Introduction Premature ejaculation (PE) is a common sexual dysfunction that significantly impacts quality of life. Occupational stress and poor sleep quality are hypothesized as risk factors, particularly among Information and Technology (IT) workers who experience unique occupational stressors. This study aimed to evaluate the proportion of PE, examine the influence of occupational stress and sleep quality on PE, and determine whether sleep quality mediates the relationship between occupational stress and PE among Indonesian IT workers.

Methods This cross-sectional study involved 89 married male IT workers who completed online questionnaires, including the Premature Ejaculation Diagnostic Tool (PEDT), Perceived Occupational Stress (POS) …

Proceedings Of The 18th Indonesian Occupational Medicine Update (Iomu) 2026 - Occupational Medicine Without Borders: Emerging Risks, Evolving Workforces, And Inclusive Collaboration, Indonesian Association Of Occupational Medicine Specialists (Perhimpunan Kedokteran Okupasi Indonesia / Perdoki)

Occupational and Environmental Medicine Journal of Indonesia

This Supplemental Issue of the Occupational and Environmental Medicine Journal of Indonesia (OEMJI) compiles the scientific abstracts presented at the 18th Indonesian Occupational Medicine Update (IOMU) 2026, convened in Surabaya, Indonesia, from 15 to 17 May 2026. The IOMU has matured into the most prominent annual scientific platform of the Indonesian occupational medicine community, hosted by the Indonesian Association of Occupational Medicine Specialists (Perhimpunan Kedokteran Okupasi Indonesia / PERDOKI). Since its inception, the conference has served as a meeting point where clinicians, academics, industrial hygienists, regulators, employers, and worker representatives gather to translate emerging scientific evidence into …

Proceeding Book Of The 17th Indonesian Occupational Medicine Updates (Iomu), Perdoki .

Occupational and Environmental Medicine Journal of Indonesia

Bali, Indonesia, 16th - 18th May 2025

The Correlation Between 25(Oh)D, Blood Lead Levels, And Delta-Aminolevulinic Acid Dehydratase Activity Among Indonesia Male Workers, Ratih Fadhillah, Muhammad Ilyas, Liem Jen Fuk, Levina Chandra Khoe, Muchtaruddin Mansyur

Occupational and Environmental Medicine Journal of Indonesia

Background Lead exposure disrupts the heme synthesis pathway by modifying the activity of Delta-Aminolevulinic Acid Dehydratase (ALAD), contributing to oxidative stress. Vitamin D has been suggested as an antioxidant to influence oxidative balance, but evidence regarding its association with ALAD activity in lead-exposed populations remains limited. This study aimed to analyze the associations between blood lead levels (BLL), serum 25-hydroxyvitamin D [25(OH)D], ALAD activity, and the 25(OH)D/BLL ratio among Indonesian male workers.

Methods A cross-sectional study was conducted among 90 male workers exposed to lead as part of either their occupation or living environment in Java, Indonesia. Serum 25(OH)D, BLL …

Rare Manifestation Of Scapular Cutaneous Larva Migrans Infection Among Sand Porters In Warm Climate: A Case Report, Prio Hangudi Sampurno, Tri Wisesa Soetisna

Occupational and Environmental Medicine Journal of Indonesia

Background Cutaneous larva migrans is a serpiginous helminthic infection common among certain occupations dealing with contaminated soil especially in warm climate. Most common predilections include the feet, legs, and buttocks with only a fraction of cases found on the trunk and upper extremities.

Case Presentation A rare scapular cutaneous larva migrans manifestation on a thirty-six years old sand porter with high occupational exposure was described. Physical examination revealed progressive pruritic and warm rash in a serpiginous pattern on the left shoulder.

Results Diagnosis was established based on characteristic serpiginous rash physical findings supported by history of contact. This case needed …

Return To Work After Percutaneous Coronary Intervention In Employee With Metabolic Comorbidities: An Evidence-Based Case Report, Bramantyo Eko Wahyudi Mr, Levina Khoe

Occupational and Environmental Medicine Journal of Indonesia

Background This evidence-based case report examines whether metabolic comorbidities independently predict return to work (RTW) after percutaneous coronary intervention (PCI) for myocardial infarction. A 52-year-old male senior manager with type 2 diabetes, hypertension, dyslipidaemia, and central obesity underwent PCI and required structured occupational assessment.

Methods A systematic literature search identified five eligible studies—one national registry cohort, three prospective cohort studies, and one narrative systematic review—critically appraised using Oxford Centre for Evidence-Based Medicine criteria.

Results Metabolic comorbidities showed consistent directional associations with reduced RTW probability in bivariate analyses and independently predicted longterm labour-market exit. However, in multivariate models across three of …

From Medical Check-Ups To Risk-Based Health Governance: Reframing Fitness-For-Work And Preventive Health In Modern Health Systems, Kasyunnil Kamal, Iqbal Mochtar

Occupational and Environmental Medicine Journal of Indonesia

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Health Risk Assessment (Hra) In Home-Based Ironing Businesses: Risk Identification, Intervention, And Evaluation In Johar Baru District, Central Jakarta, Heru Alfares, Irawadi Darmaputra, Marsen Isbayuputra, Muhammad Ilyas

Occupational and Environmental Medicine Journal of Indonesia

Background Home-based ironing businesses in Johar Baru District, Central Jakarta, are part of the informal sector, vulnerable to health risks due to suboptimal working conditions. This study aims to identify, assess, and control health risks through a Health Risk Assessment (HRA) approach.

Methods Research methods include direct observation, interviews, environmental measurements, health screenings, and ergonomic surveys using the BRIEF (Baseline Risk Identification of Ergonomic Factor) instrument.

Results The results indicate that the temperature in the ironing area reaches 33°C, exceeding the comfort standard, and that 80% of workers have dark yellow urine, indicating a high risk of dehydration. Risk assessment …

Returning To Work On Chef With Graves’ Disease: A Case Report, Izzatul Abadiyah, Dewi Sumaryani Soemarko

Occupational and Environmental Medicine Journal of Indonesia

Background Graves’ disease has adverse effects on quality of life, because of somatic psychiatric symptoms and an inability to work. Chefs face many occupational hazards that can aggravate certain medical conditions, worsen the disease, and pose safety risks at work. This case report aims to assess the returning-to-work evaluation and program for a chef with Graves’ disease.

Case Description A forty-seven-year-old Indonesian male who was diagnosed with Graves’ disease from characteristic clinical features and biochemical abnormalities was admitted to the hospital with shortness of breath. TSH concentration was 0.001mU/L, FT4 concentration was 2.85 ng/dL, hemoglobin level was 10.6 g/dL, and …

Ageing And Occupational Medicine In Indonesia: A Timely Integration For An Inclusive Workforce, Iqbal Mochtar

Occupational and Environmental Medicine Journal of Indonesia

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The Effect Of Blue Light Filter Lens Glasses On The Occurrence Of Asthenopia Symptoms In Visual Display Terminal Users, Arif Hening Mustikaningrum, Dewi Sumaryani Soemarko, Indah Suci Widyahening

Occupational and Environmental Medicine Journal of Indonesia

The widespread use of Visual Display Terminals (VDTs) is associated with visual and musculoskeletal complaints, particularly Asthenopia, which may reduce productivity. A 32-year-old female financial worker presented with eye discomfort, including sore eyes, blurred vision, dizziness, and twitching on her left temple, particularly during extended computer use. The symptoms were relieved with rest. Most VDTs now use Light Emitting Diodes, which emit more blue light than LCDs and may cause eye fatigue and disrupt sleep. Currently, blue light filter lenses are available in the market, however, further study of existing scientific publications is necessary to ensure the effectiveness of blue …

Scoring System For Screening Fitness To Work For Offshore And Onshore Remote Area Worker, Kasyunnil Kamal

Occupational and Environmental Medicine Journal of Indonesia

Background: About 10-15% of medical examinations of workers at upstream oil and gas companies are not conducted properly. In some cases, workers die at worksites. Many doctors carrying out the assessment lack the competency to assess occupational risks. In this study, we developed a scoring system for ‘fitness for work’ assessment, which can be used by trained doctors.

Methods: Diagnostic testing was done with comparing the results of the determination screening fitness for work using a scoring system with the determine fitness for work results by Occupational Medicine Specialist as a gold standard in the same group. The entire 607 …

Examining The Relationship Between Shift Work And Diabetes Mellitus Among Nurses: An Evidence-Based Case Report, Angga Arifianto, Indah Suci Widyahening, Levina Chandra Khoe, M. Ikhsan Mokoagow

Occupational and Environmental Medicine Journal of Indonesia

Background : Work shifts could cause numerous health problems, such as sleep disorders, weight gain disorders, and unhealthy food intake consumption, leading to obesity and changes in blood glucose levels, that eventually lead to diabetes mellitus. This evidence-based case report aims to provide an evidence of association between shift work and the risk of diabetes mellitus among nurses.

Methods : We performed a literature searching from Pubmed, Embase, Cochrane, Scopus, and Google Scholar in September 2023 using keywords ‘shift work’ AND ‘diabetes’ AND ‘nurse’. We included studies that assessed the association between shift work and diabetes among nurses using observational …

The Importance Of Indonesian Workers’ Psychosocial Health In Demographic Bonus, Dewi S. Soemarko

Occupational and Environmental Medicine Journal of Indonesia

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Abstract Book Of The 16th Indonesian Occupational Medicine Update (Iomu)

Occupational and Environmental Medicine Journal of Indonesia

Jakarta, Indonesia, 2nd March to 4th March 2024

N-Acetyl-S-(N-Methylcarbamoyl)-Cysteine (Amcc) As Cumulative Biomonitoring Of Dimethylformamide Exposure Among Industrial Workers, Angga Arifianto, Muhammad Ilyas, Herqutanto .

Occupational and Environmental Medicine Journal of Indonesia

Background: N,N-Dimethylformamide (DMF) is an aliphatic amide which is miscible with water and a majority of organic liquids. Due to its amphiphilic properties, it is a widely used industrial solvent, especially for polymers. DMF has been consistently hepatotoxic, inducing effects on the liver at lowest concentrations or doses. N-acetyl-S-(N-methylcarbamoyl)cysteine (AMCC) which is one major metabolites of DMF, found in urine after DMF exposure of the whole workweek.

Objective: To determine the way of AMCC can be use as biomarker of DMF exposure and the best possible sampling time.

Method: This study conducted a literature search using evidence-based databases …

Mckenzie Exercise For Reducing Low Back Pain Complaints In Office Worker: An Evidence-Based Case Report, Bonnie Medana Pahlavie, Dewi S. Soemarko, Indah Suci Widyahening

Occupational and Environmental Medicine Journal of Indonesia

Background:

Low back pain (LBP) is pain that is felt in the lower back area, namely between the corners of the lowest ribs and the lower buttocks (lumbar or lumbo-sacral area) and can be local pain or radiate to the upper thighs/legs or both. Low back pain is a 10% debilitating condition that results in a change in life expectancy due to disability. Low back pain is not a malignancy and is a self-limiting condition, but patients always seek treatment to reduce the severity of their symptoms. Chronic Low Back Pain can alter lifestyle and increase the rate of prolonged …

Acceleration Return To Work Process After Accidents In The Manufacturing Industry – Literature Review, Lubna Sadat, Nurul Hidayah, Dede Iskandar

Occupational and Environmental Medicine Journal of Indonesia

The manufacturing industry typically requires capacities on a large scale, increasing the risk of workplace accidents and illnesses. Thus, a stringent Occupational Health and Safety (OHS) guideline is needed, notably through early Return to Work (RTW) policies. In this review we explore how the acceleration of the RTW process influences employees, factories, and policy after accidents. Using a literature review approach, this research collected the data and information from from books, journals, and articles discussing the topic of OHS management in domestic and overseas factories.Acceleration of RTW included gradual task modifications, alternative tasks, and workstation adjustments to facilitate workers’ …

Prognosis Of Covid-19 On Workers With History Of Asthma: An Evidence-Based Case Report, Parmitasari Parmitasari, Dewi Yunia Fitriani, Indah S. Widyahening

Occupational and Environmental Medicine Journal of Indonesia

Background. As the COVID-19 pandemic occurs, those with asthma were thought to have an increased risk of infection. Question arisen whether special preparation for severe clinical outcomes might be needed for remote site workers. Method. A literature search was conducted through PubMed, Scopus and ProQuest databases, as well as hand searched. The inclusion criteria were systematic review, cohort study, retrospective study, cross sectional study, COVID-19, asthma, and ICU. Then, they were critically appraised based on Center of Evidence-Based Medicine, Oxford University, Critical Appraisal for Prognostic Studies and Systematic Reviews. Result. Three systematic review studies and three retrospective cohort studies were …

The Effectiveness Of Education Through Web-Based Seminar In Increasing Knowledge About The Early Detection And Reporting Of Occupational Diseases, Keyne Christa Monintja, Dewi Sumaryani Soemarko, Dewi Yunia Fitriani, Herqutanto Herqutanto, Suryo Wibowo

Occupational and Environmental Medicine Journal of Indonesia

Background: In 2022, the Indonesian Occupational Medicine Association (IOMA) collaborated with oil and gas companies and conducted a web-based seminar (webinar) to enable participants to recognize occupational disease earlier and enhance reporting in companies. We aimed to investigate the effectiveness of the webinar in increasing the intended knowledge.

Method: The webinar was separated into three batches, with different participants per batch. Using a one-group pretest-posttest design, we utilized secondary data from IOMA. The effectiveness of the webinar was determined by participants' satisfaction and knowledge as measured by pre-test and post-test. After performing item analysis, we removed poor discriminating items in …

Analysis Of Knowledge Of Hospital Manager About Occupational Tuberculosis And Associated Factors, Aditya Agung Prasetyo, Suryo Wibowo, Muhammad Ilyas, Ahmad Fuady, Feni Fitriani Taufik

Occupational and Environmental Medicine Journal of Indonesia

Introduction.Knowledge of hospital managers about occupational tuberculosis can affect occupational tuberculosis services in the hospital. This study aims was to identify associated factors with knowledge of hospital manager about occupational tuberculosis in order to improve occupational tuberculosis services in hospitals as seen in the four management functions.

Method.Concurrent embedded mixed approaches are used in this cross-sectional study. Focus group discussions (FGD) are used in qualitative research, whereas questionnaires are used in quantitative research. The questionnaire was evaluated using the difficulty level and discriminating index tests. The ten questions were examined both univariate and bivariate. Thematic analysis was used …

Factors Affecting Superoxide Dismutase Activity In Railway Workers In Jakarta, Indonesia, Vera Winata, Muhammad Ilyas, Aria Kekalih, Suryo Wibowo, Muchtaruddin Mansyur

Occupational and Environmental Medicine Journal of Indonesia

Introduction. Railway workers are exposed to many occupational health risk factors that may cause oxidative stress. Superoxide dismutase (SOD) activity is one of the response biomarkers of oxidative stress.

Methods. A cross-sectional study was conducted from July-October 2021. Eighty-four participants were included in this study. Data about participants’ characteristics, physical activity intensity as measured by the Global Physical Activity Questionnaire (GPAQ) version 2, and stress levels as measured by Holmes-Rahe Stress Inventory were collected using Google Forms. The physical examination yielded data on blood pressure, ear condition, and waist circumference. Blood Superoxide dismutase activity and HbA1c levels were determined using …

The Association Between Mental Workload And Nonspecific Chronic Low Back Pain Among Operators Of An On Shore Oil And Gas Company In South Sumatera, Ardi Artanto, Suryo Wibowo, Nuri Purwito Adi

Occupational and Environmental Medicine Journal of Indonesia

Background: Work location influences the proportion of operators with low back pain (LBP) at a South Sumatera onshore oil and gas company. This study aimed to determine the prevalence of nonspecific chronic LBP among the company's operators, as well as the association between quantitative and qualitative mental workload and nonspecific chronic LBP.

Methods: This study was cross-sectional in design, with 96 samples collected through purposive sampling. Questionnaires and physical examinations were used to collect data.

Results: Nonspecific chronic LBP was found in 32.3 percent of people. According to the multivariate analysis, moderate-heavy qualitative mental workload (OR: 5.14; 95 percent CI: …

Validity And Reliability Of The Indonesian Version Of Expanded Nursing Stress Scale (Enss) As A Job-Stress Assessment Tool For Nurses, Hasto Harsono, Herqutanto Herqutanto, Suryo Wibowo, Aria Kekalih, Astrid Sulistomo

Occupational and Environmental Medicine Journal of Indonesia

ABSTRACT

Background: Job stress is a serious health problem in the 21st century because of its high incidence and impact. Nurses are known as a profession that has high risks of stress, has distinctive characteristics, and hence requires a work stress assessment instrument that suits its peculiarities. The Expanded Nursing Stress Scale (ENSS) is a nurse-specific stress assessment instrument that has high validity and reliability (Cronbach's alpha = 0.96) and is widely used in many countries but is not yet available in Indonesian. This study aims to obtain the Indonesian version of ENSS and evaluate its reliability and validity.

Method: …

Psychosocial Factors In The Workplace, Suryo Wibowo

Occupational and Environmental Medicine Journal of Indonesia

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Smallholder Farmers’ Health, Occupational Nutrition, And Sustainable Agriculture, Jen Fuk Liem

Occupational and Environmental Medicine Journal of Indonesia

Smallholder Farmers’ Health, Occupational Nutrition, and Sustainable Agriculture

Correlation Of Plasma Melatonin Concentration And Alertness Level Among Female Nurses In Jakarta Indonesia, Andreas Kresna, Liem Jen Fuk, Indah Suci Widyahening, Dewi Sumaryani Soemarko, Dewi Yunia Fitriani

Occupational and Environmental Medicine Journal of Indonesia

Background

Working in shift especially night shift could alter alertness level, increase fatigue, and working accident. One of the factors that affect the circadian rhythm were melatonin. Melatonin was a hormone that regulate the wake and sleep cycle that have an impact on alertness levels. This study was aimed to find correlation between plasma melatonin and alertness level.

Methods

A cross-sectional study was conducted on 40 female night shift nurses. Individual characteristics were obtained by self-administered questionnaire. Plasma melatonin concentrations and alertness level was collected twice at night time (11 pm – 00 am) and at morning (7 am − …

Brominated Flame Retardants: A Literature Review Of The Toxicity Mechanisms, Clinical Manifestations, And Current Treatments, Yacobus Christian Prasetyo, Eti Nurwening Sholikhah

Occupational and Environmental Medicine Journal of Indonesia

Brominated flame retardants (BFRs) are organohalogen compounds that can inhibit fire formation and delay its spread in manufacturing materials. BFRs are known to be toxic for the environment and humans. BFRs could persist for years prolonging potential exposure and toxicity to living beings. Indonesia had begun to reduce the use, even though some of toxic BFRs are still illegally circulating. This review aims to describe some aspects of BFRs toxicity including the mechanism, its clinical manifestations, and the current possible treatments. Toxicity after BFRs exposure includes endocrine, neurodevelopmental, and genotoxicity. The toxicity is manifested into some clinical conditions such as …

The Vigilance Screening Tool In The Workplace: Scoping Review, Iwan Sugiarta, Dewi Yunia Fitriani, Muchtaruddin Mansyur

Occupational and Environmental Medicine Journal of Indonesia

VIGILANCE SCREENING TOOLS IN THE WORKPLACE: SCOPING REVIEW

ABSTRACT

Background: Vigilance performance examination is currently used widely in many disciplines, neurophysiology, sleep medicine, psychology to its application to workers whose daily activities require prime vigilance. A more objective inspection of vigilance has not yet become a routine screening examination for workers to detect decreased vigilance as part of a fit-to-work assessment, but only in the form of research / study using a partial sampling technique. The aim is to provide an overview of vigilance screening tools in the workplace, its terminologies and how the process of maintaining quality such …

Examining The Chelating Effectiveness Of Dimercaptosuccinic Acid And Ethylenediaminetetraacetic Acid Calcium Disodium In Patients With Lead Poisoning : An Evidence-Based Case Report, Heru Alfares, Reza A. Rafsanzani, Muchtaruddin Mansyur

Occupational and Environmental Medicine Journal of Indonesia

Evidence Based Case Report:

Examining the Chelating Effectiveness of Dimercaptosuccinic Acid and Ethylenediaminetetraacetic acid Calcium Disodium in Patients with Lead Poisoning

Heru Alfares¹, Reza A. Rafsanzani¹, Muchtaruddin Mansyur²

¹ Occupational Medicine Specialist Study Program, Faculty of Medicine, Universitas Indonesia, Jakarta,

² Dept. of Community Medicine, Faculty of Medicine, Universitas Indonesia, Jakarta,

ABSTRACT

Background: Lead environmental and occupational exposures harm workers’ health, both acute and chronic lead poisoning. Chelation therapy is one of the treatments for lead poisoning using several chelating agents available, including ethylenediaminetetraacetic acid (EDTA), dimercaptosuccinic acid (DMSA), dimercaptopropanesulfonate (DMPS), and 2,3-dimercaptopropanol …