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All Journal KESANS : International Journal of Health and Science Journal of Applied Nursing and Health
Marantuan, Randolph Serep
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Biochemistry, Genetics & Molecular Biology Chemistry Dentistry Health Professions Immunology & microbiology Medicine & Pharmacology Neuroscience Nursing Physics Public Health Veterinary

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The Relationship between Body Mass Index and Lung Vital Capacity Batubara, Frisca Ronauli; Marantuan, Randolph Serep; Pongsammin, Francisco
Jurnal KESANS : Kesehatan dan Sains Vol 4 No 12 (2025): KESANS: International Journal of Health and Science
Publisher : Rifa'Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54543/kesans.v4i12.425

Abstract

Vital Capacity (VC) serves as one of the main parameters in assessing lung function. Obesity, which can be measured using Body Mass Index (BMI) and waist circumference, has the potential to affect respiratory mechanics and decrease lung function. Medical students with limited physical activity are at risk of experiencing reduced VC due to increased BMI and central obesity. This study aims to determine the relationship between BMI and waist circumference with VC among 2023 cohort students of the Faculty of Medicine, Universitas Kristen Indonesia. This research is an observational study with a cross-sectional design. A total of 57 students participated as samples. Data were collected through measurements of BMI, waist circumference, and VC using spirometry. Chi-square test was used for analysis. Results showed that 54.4% of respondents had abnormal BMI, 40.4% had central obesity, and 57.9% exhibited abnormal vital capacity. A significant relationship was found between BMI and VC (p=0.001), as well as between waist circumference and VC (p=0.010). These findings indicate that increased BMI and waist circumference may contribute to reduced lung function.
The Relationship Between Work Environment, Occupational Safety and Health Implementation, and Employee Performance: A Cross-Sectional Study Simarmata, Vidi Posdo A.; Marantuan, Randolph Serep; Hutagalung, Patar
Journal of Applied Nursing and Health Vol. 7 No. 3 (2025): Journal of Applied Nursing and Health
Publisher : Chakra Brahmanda Lentera Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55018/janh.v7i3.462

Abstract

Background: A safe and comfortable work environment, along with effective OHS implementation, is essential for maintaining healthcare personnel productivity and performance; however, studies on the combined effect of both on employee performance in community health centers remain limited. At the same time, inadequate facilities, inconsistent procedural compliance, and minimal OHS socialization continue to hinder optimal service delivery. This study aims to analyze the relationship between the work environment and OHS implementation on employee performance at the East Bogor Community Health Center. Methods: A quantitative, correlational analytical design was employed, involving all 51 employees of the East Bogor Community Health Center as the total population sample. Data were collected through a structured and validated questionnaire, which was tested for reliability using Cronbach’s alpha (α > 0.80). The questionnaire measured three primary variables: work environment, OHS implementation, and employee performance. Data were analyzed using Pearson correlation and multiple linear regression at a 95% confidence level, following the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) guidelines.. Results: The findings revealed a positive and statistically significant relationship between the work environment and employee performance (p = 0.012; r = 0.412, indicating a moderate correlation), as well as between OHS implementation and employee performance (p = 0.008; r = 0.436, also moderate). Together, both variables explained 38% of the variance in employee performance (R² = 0.38), suggesting that improvements in environmental and safety management factors can meaningfully enhance staff outcomes. Conclusion: A conducive work environment and sound OHS implementation jointly contribute to improved employee performance at the East Bogor Community Health Center. Management is recommended to strengthen OHS policies, improve work facilities, and enhance safety training to support optimal performance among healthcare workers.
Co-Authors Batubara, Frisca Ronauli Hutagalung, Patar Pongsammin, Francisco Simarmata, Vidi Posdo A.