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All Journal Journal of Public Health for Tropical and Coastal Region Journal of Vocational Studies on Applied Research
Rahman, Azizah
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Engineering

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The Influence of Coastal Proximity on Mental Health in Indonesian Society Rahman, Azizah; Sulaiman, Ahmad
Journal of Public Health for Tropical and Coastal Region Vol 7, No 2 (2024): Journal of Public Health for Tropical and Coastal Region
Publisher : Faculty of Public Health, Universitas Diponegoro, Semarang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jphtcr.v7i2.23205

Abstract

Abstract Introduction Indonesia is currently experiencing a mental health emergency and it is potentially worsening as the increase of environmental crisis. Increasing air temperatures can increase the number of people experiencing mental disorders due to environmental stress. More importantly, Indonesia is an archipelagic country, with 70% of Indonesian people live along the coast, where this area is at the lowest point on sea level and the temperature is warmer.PurposeThis research aimed to investigate the influence of coastal proximity on community’s mental health.MethodThis research used a quantitative comparative method with a total of 394 subjects who lived less than 1 to 60 km from the coastline. The subjects were selected using clustered random sampling. This study used the GHQ-12 scale to measure the mental health. The analysis was done by One Way Anova test.ResultsPeople living less than 1 km and more than 50 km from the coastline have a high level of mental health with the lowest distress levels. People living between 20 to 50 km from the coastline showed the lowest level of mental health with the highest distress scores.ConclusionThis research concluded that the closer individuals live to the coastline, their mental health is better or higher. 
Temperature Optimization and Addition of Aloe Vera Gel as Antibacteria In Coconut Oil-Based Liquid Soap Rahman, Azizah; Paramita, Vita
Journal of Vocational Studies on Applied Research Volume 3, Issue 2, Year 2021 (October 2021)
Publisher : Vocational College of Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (305.56 KB) | DOI: 10.14710/jvsar.v3i2.12655

Abstract

This study aims to determine the optimization of the ratio of coconut oil to KOH and temperature in the manufacture of liquid soap. In this study, the saponification reaction was used by reacting coconut oil with a strong base of KOH. The mole ratio between coconut oil and KOH used is 1:3, 1:4 and 1:5. The temperature used 3 points, there are 30oC, 40oC, and 50oC. Parameters observed were free fatty acid, pH, free alkali content, unsaponication fat content, density, and viscosity. The best results in the physiochemical test were running 4 (KOH ratio 5 and temperature 50oC) with pH 8, free alkali content of 0%, unsaponication fat content of 0.00175%, density 1.02 g/ml, viscosity 715.87 cP, and 1% free fatty acids. The critical value for the optimization of the liquid bath soap formula on the level of unsaponification fat based on RSM data is achieved at a KOH ratio of 4.28758 with a temperature of 62.40793oC.
Co-Authors Ahmad Sulaiman, Ahmad Vita Paramita