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Journal of Environmental and Occupational Health Safety
Published by CV. MEDINSIGHT PUBLISHING
ISSN : 30907500     EISSN : 30907497     DOI : -
Core Subject :
The Journal of Environmental and Occupational Health Safety is a peer-reviewed academic journal dedicated to advancing research, knowledge, and practices in the fields of environmental health, occupational health, and safety. The journal provides a platform for multidisciplinary research on the prevention and control of environmental and occupational risks, with the goal of improving public and worker health and safety worldwide, and Published 2 times a year, in February and August
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Articles 12 Documents
 1   2 
Occupational Risk Factors Associated with Hypertension Among Industrial Workers Ardiansyah Hidayat
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
Publisher : CV.MEDINSIGHT PUBLISHING

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Abstract

Hypertension is a growing occupational health concern, particularly among industrial workers who are routinely exposed to physical, chemical, and psychosocial hazards. This cross-sectional study aimed to determine the prevalence of hypertension and identify occupational risk factors among 520 industrial workers employed in a metal fabrication plant in Surabaya, Indonesia. Blood pressure was measured using standardized procedures, while data on work conditions—including shift patterns, workload, job stress, exposure to noise, and heat—were collected through structured interviews and workplace assessments. The prevalence of hypertension was found to be 32.1%. Multivariate logistic regression analysis revealed that night shift work (OR 1.9; 95% CI: 1.3–2.7), high job strain (OR 2.3; 95% CI: 1.6–3.4), and chronic noise exposure (OR 1.7; 95% CI: 1.2–2.5) were significantly associated with increased hypertension risk. Workers who engaged in regular physical activity and those with higher job control showed lower blood pressure levels. These findings suggest that occupational factors play a significant role in the development of hypertension and highlight the need for comprehensive workplace health programs that include regular screening, stress management interventions, and modifications to work schedules and environments to reduce exposure to harmful conditions.
Noise Exposure and Hearing Loss Among Manufacturing Industry Workers Sylvia Permatasari
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Abstract

Prolonged exposure to high noise levels in manufacturing industries can lead to irreversible hearing loss, significantly affecting workers’ quality of life and productivity. This cross-sectional study assessed the relationship between occupational noise exposure and hearing loss among 430 manufacturing workers in Bekasi, Indonesia. Audiometric examinations were performed to measure hearing thresholds, and workplace noise levels were recorded using a calibrated sound level meter. In addition, a structured questionnaire captured demographic information, work history, duration of noise exposure, and use of personal protective equipment (PPE). The results indicated that 41.6% of workers had signs of noise-induced hearing loss (NIHL), particularly in the high-frequency range. Workers exposed to noise levels exceeding 85 dB(A) for more than five years had a significantly higher prevalence of hearing loss (p<0.001). Inconsistent use of earplugs or earmuffs, lack of occupational safety training, and long work shifts were identified as contributing factors. The study emphasizes the urgent need for the implementation of noise control measures, including engineering controls, administrative policies, and mandatory use of PPE. Regular hearing conservation programs and education campaigns should be prioritized to reduce the burden of occupational hearing loss among industrial workers.
Chemical Exposure and Liver Health Among Workers in the Chemical Industry Wahyu Retnadi
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Abstract

Occupational exposure to hazardous chemicals such as solvents, pesticides, and heavy metals is known to cause liver dysfunction, but data in the Indonesian context remain scarce. This study aimed to evaluate the impact of chemical exposure on liver health among 310 workers in chemical manufacturing industries located in Cilegon, Banten. Participants underwent liver function tests (LFTs), including ALT and AST enzyme measurements, and completed structured interviews regarding job roles, duration of exposure, PPE use, lifestyle habits, and medical history. The results showed elevated liver enzyme levels in 36.4% of workers, with a significantly higher incidence among those who had more than five years of exposure to organic solvents (p<0.01). Suboptimal use of PPE, particularly during chemical mixing and handling, further increased the risk. Additionally, poor ventilation and limited occupational health monitoring practices were observed at several sites. Workers with concurrent alcohol use had notably worse liver profiles. This study underscores the need for rigorous occupational safety enforcement, including routine health surveillance, proper ventilation systems, and comprehensive training on chemical handling. Strengthening regulatory oversight and worker education may help reduce the long-term health consequences of chemical exposure in this high-risk population.
Environmental Factors Influencing Tuberculosis Incidence in Urban Communities Ratih Paramita
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Tuberculosis (TB) remains a pressing public health issue in densely populated urban areas, where environmental conditions can exacerbate transmission risks. This ecological study explored the relationship between environmental factors and TB incidence across six sub-districts in Bandung, Indonesia. Data on TB incidence were obtained from public health centers and cross-referenced with environmental data including housing density, ventilation quality, sunlight exposure, and proximity to industrial zones. Field surveys and household observations were conducted in 240 randomly selected homes. The analysis revealed a strong association between TB incidence and inadequate ventilation, with households having fewer than two windows per room being 2.4 times more likely to report TB cases. Overcrowding (defined as more than 3 persons per room) and indoor air pollution from biomass cooking fuels also showed significant correlations. In contrast, neighborhoods with better waste management and access to green spaces reported fewer TB cases. The study highlights the multifaceted role of environmental determinants in TB control and advocates for an integrated approach that includes urban planning, housing improvements, and environmental health promotion to reduce TB burden in urban Indonesia.
Ergonomic Hazards and Musculoskeletal Disorders Among Healthcare Workers Fadhila Nuraisyah
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Abstract

Healthcare workers are frequently exposed to physical demands that increase their risk for musculoskeletal disorders (MSDs), including repetitive movements, awkward postures, and manual patient handling. This cross-sectional study investigated ergonomic risk factors and the prevalence of MSDs among 390 nurses and healthcare personnel in a provincial general hospital in Palembang, Indonesia. Data were collected through the Nordic Musculoskeletal Questionnaire and direct ergonomic observation. The most common complaints were lower back pain (65.1%), neck pain (42.8%), and shoulder discomfort (39.4%). Statistical analysis showed that prolonged standing, lack of lifting equipment, and absence of ergonomic training were significantly associated with higher MSD prevalence (p<0.05). Female staff, night shift workers, and those with over 10 years of experience reported greater symptom severity. Despite awareness of ergonomic risks, adherence to safe work practices was low due to workload pressures and understaffing. The findings underscore the importance of institutional support for ergonomic interventions, including redesigning workspaces, providing lifting aids, conducting periodic ergonomic assessments, and offering comprehensive training to healthcare workers. Improving workplace ergonomics is essential to enhancing staff well-being and sustaining healthcare workforce productivity.
The Relationship Between Directed Pushing and the Incidence of Perineal Rupture in Normal Deliveries at the UPTD Tepeleo Inpatient Health Center, North Patani District, Central Halmahera Regency Nikma Abdulbar; Reny Retnaningsih
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Abstract

Background: Perineal rupture is a common complication of vaginal delivery and may increase the risk of postpartum hemorrhage, pain, infection, delayed wound healing, and maternal morbidity. Appropriate maternal pushing guidance during the second stage of labor is a modifiable factor that may reduce perineal rupture by enabling effective pushing techniques and minimizing excessive pressure on perineal tissues. This study aimed to examine the relationship between maternal pushing guidance and perineal rupture among women undergoing normal vaginal delivery at Tepeleo Inpatient Primary Health Center, North Patani District, Central Halmahera Regency. Methods: This analytical observational study used a cross-sectional design and was conducted from March to May 2026. A total of 30 women undergoing normal vaginal delivery were selected using total sampling. Data were collected through observation checklists, medical records, and demographic characteristics and analyzed using descriptive statistics and the Chi-square test at a 95% confidence level. Results: Appropriate pushing guidance was received by 53.3% of respondents, while perineal rupture occurred in 50.0% of deliveries. Appropriate guidance was associated with a lower incidence of rupture (p < 0.001). Conclusion: Appropriate maternal pushing guidance was significantly associated with a lower incidence of perineal rupture. Strengthening midwives' competencies in effective pushing guidance is important to improve intrapartum care and maternal safety.
Factors Related to the Implementation of Oxytocin Massage on Breast Milk Production in Postpartum Mothers on Days 4–10 at Amuntai Selatan Health Center Noor Laila; Reny Retnaningsih
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Abstract

he problem of inconsistent breast milk supply frequently affects postpartum mothers and can impact the effectiveness of exclusive breastfeeding. Breast milk production and secretion are influenced by physiological and psychological factors, as well as family support during the postpartum period. Oxytocin massage is a complementary therapy that can enhance milk ejection by stimulating the milk ejection reflex and promoting relaxation. This study aimed to examine the factors associated with the use of oxytocin massage on breast milk production among postpartum mothers on days 4–10 at the Amuntai Selatan Health Center. An observational analytic study using a cross-sectional approach was conducted from February to May 2026. The sample consisted of 40 postpartum mothers selected through purposive sampling. The independent variables were age, knowledge, education level, occupation, spousal support, and number of children, while the dependent variable was the implementation of oxytocin massage on breast milk production. Data were analyzed using the Chi-square test with a significance level of p<0.05. The results showed significant associations between age, knowledge, education, spousal support, and number of children and the use of oxytocin massage (p<0.05), while occupation was not significantly associated (p>0.05). Spousal support was the primary influencing factor.
The Effectiveness of Early Mobilization on the Decrease in Uterine Fundus Height in Postpartum Mothers on Days 1–3 at Babirik Health Center Norrahmadania Norrahmadania; Reny Retnaningsih
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Abstract

Uterine involution is a significant physiological process during the postpartum period, marked by a gradual reduction in uterine fundal height following childbirth. An inadequate decrease may increase the risk of postpartum complications, including uterine subinvolution and postpartum haemorrhage. Early mobilisation is a non-pharmacological strategy that can facilitate uterine involution. This study aimed to evaluate the effectiveness of early mobilisation in reducing uterine fundal height among postpartum mothers on days 1–3 at Babirik Health Center. A quasi-experimental design with a pretest-posttest approach was employed from February to May 2026. The sample consisted of 12 respondents, including 6 in the intervention group and 6 in the control group, selected through purposive sampling. Uterine fundal height was measured using a measuring tape, while early mobilisation was implemented progressively from 6–8 hours postpartum. Data were analysed using the Paired t-test and independent t-test with a significance level of p<0.05. The results showed that the mean uterine fundal height in the intervention group decreased from 11.2 cm before intervention to 3.1 cm after intervention. The control group showed a more gradual decline. Statistical results showed p-values of 0.000 and 0.001 (p<0.05), indicating that early mobilisation effectively reduces uterine fundal height. Early mobilisation is a safe and simple non-pharmacological strategy to accelerate uterine involution and support postpartum recovery.
The Relationship Between Early Initiation of Breastfeeding (EIB) and the Success of Exclusive Breastfeeding in the Postpartum Ward of RSIA Paradise Nur Laila Hakimil Mei Muna; Reny Retnaningsih
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Abstract

Background: Early Initiation of Breastfeeding (EIBF) is a research-supported practice that promotes successful lactation and increases the likelihood of exclusive breastfeeding. Skin-to-skin contact and breastfeeding within the first hour after birth stimulate hormonal responses that support milk production and strengthen maternal-infant bonding. This study aimed to determine the relationship between EIBF and the success of exclusive breastfeeding among postpartum mothers in the maternity ward of Paradise Mother and Child Hospital. Methods: This observational study used a cross-sectional design involving 50 postpartum mothers with infants aged 6–12 months, selected through sequential sampling. EIBF data were obtained from medical records and Maternal and Child Health (MCH) handbooks, while exclusive breastfeeding data were collected through structured interviews using a validated questionnaire. Data were analysed using the Chi-square test with a 95% confidence level. Results: Most mothers practiced EIBF (68.0%), and 72.0% successfully provided exclusive breastfeeding for the first six months. EIBF was significantly associated with successful exclusive breastfeeding (p=0.001). Conclusion: Early initiation of breastfeeding was significantly associated with successful exclusive breastfeeding. Strengthening EIBF implementation, breastfeeding education, and lactation support is important to increase exclusive breastfeeding rates and promote optimal maternal and infant health.
The Relationship Between Maternal Stress Levels and the Risk of Premature Birth at RSUD Maba, Maba District, East Halmahera Regency Nurdewi Suleman; Reny Retnaningsih
Journal of Environmental and Occupational Health Safety Vol. 1 No. 1 (2025): February : Journal of Environmental and Occupational Health Safety
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Background: Preterm birth remains a leading cause of neonatal morbidity and mortality worldwide. Besides obstetric and maternal medical conditions, psychological factors, particularly maternal stress during pregnancy, may contribute to the risk of preterm birth through neuroendocrine mechanisms affecting pregnancy outcomes. This study aimed to examine the relationship between maternal stress levels and the risk of preterm birth among pregnant women at Maba Regional General Hospital, Maba District, East Halmahera Regency. Methods: This analytical observational study used a cross-sectional design and was conducted from March to May 2026. A total of 75 pregnant women were selected using total sampling. Maternal stress was assessed using the Perceived Stress Scale (PSS-10), while the risk of preterm birth was determined based on obstetric risk factors documented in medical records. Data were analysed using descriptive statistics and the Chi-square test with a 95% confidence level. Results: Most respondents experienced moderate stress (41.3%), while 26.7% experienced high stress. A high risk of preterm birth was identified in 38.7% of participants. Pregnant women with high stress levels were more likely to have a high risk of preterm birth. The Chi-square test showed a significant association between maternal stress level and preterm birth risk (p=0.001). Conclusion: Maternal stress during pregnancy was significantly associated with increased preterm birth risk. Integrating mental health screening, psychological counselling, and stress management into antenatal care may help reduce this risk and improve maternal and neonatal health outcomes

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