<div class="WordSection1"><p><em>River pollution can occur due to the influence of waste that exceeds the predetermined quality standards, besides that it is also determined by the discharge of waste water produced, if the river water discharge is large, the concentration of waste will be neutralized due to the dilution process. This study aims to determine the determinants of water pollution in the Denai River. This type of research is a descriptive study with a total sample of 31 respondents. Based on the results of the univariate test, it states that the level of knowledge and attitudes of the community is good, namely 27 people (87.1%) and 28 people (90.3%) , while community action is bad, namely 28 people (90.3%) and this results in The Denai River in the Jermal Baru Watershed is heavily polluted. Based on laboratory tests, the parameters of suspended solids and pH are not contaminated, while BOD, DO, Fecal coli and Total coliform have been contaminated and the level of water pollution in Denai River is at a heavily polluted level (score -90) obtained by the storet method contained in KepMenLH No. 115 of 2003. Suggestions from researchers are expected to people around River Water to be more concerned about and understand the risks of livestock waste being discharged directly into the river.</em></p><p><em>Keywords: Biochemical oxygen demand, dissolved oxygen, pH, total coliform bacteria and Fecal coli. </em><strong><em></em></strong></p></div><p><strong><br clear="all" /></strong></p>
Occupational health is a part of public health or public health applications in a working society and community in the workplace environment, which aims to improve work productivity and the highest degree of health. Low back pain or Low Back Pain is pain that is felt in the lower back region, between the corners of the lowest ribs to the sacrum. The working conditions of shrimp fishermen in Belawan Sicanang Medan Belawan who can cause lower back pain are the focus of this study. This research use cross sectional method and Rapid Entire Body Assessment (REBA) for ergonomic assessment process. The results of this study indicate a relationship to three aspects in Shrimp Fishermen workers namely age, work attitude, and years of work. Meanwhile there are two variables that have no relationship with lower back pain, namely Body Mass Index (BMI) and smoking habits.
Pelayanan yang diselenggarakan oleh rumah sakit berkaitan langsung dengan kepuasan atau ketidakpuasan pasien. Penelitian ini bertujuan untuk mengetahui pengaruh persepsi tentang mutu pelayanan dengan minat kunjungan ulang pasien rawat jalan. Jenis penelitian yang digunakan dalam penelitian ini adalah jenis survei kuantitatif, dengan menggunakan pendekatan cross-sectional. Penelitian dilaksanakan di Rumah Sakit X yang dimulai dari bulan Juni-Juli tahun 2021. Sampel dalam penelitian ini adalah pasien yang menjalani rawat jalan sebanyak 95 orang. Metode analisis data menggunakan analisis regresi logistik. Hasil analisis menunjukkan bahwa variabel persepsi kehandalan (p=0,001), daya tanggap (p=0,028), jaminan (0,005) dan bukti fisik (0,021) berpengaruh terhadap minat kunjungan ulang pasien rawat jalan. Penelitian ini menyimpulkan bahwa kehandalan, daya tanggap, jaminan dan bukti fisik mempengaruhi minat kunjungan ulang pasien rawat jalan.
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