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64 articles for “multivariate data”
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Prediction and Comparative Analysis of Thermal Conductivity of Jatropha Oil-based Hybrid Nanofluid by Multivariable Regression and ANN
Abstract: In the present study, a multivariable regression (MR) and artificial neural network (ANN) method was used to predict the thermal conductivity of Jatropha oil-based ZnO-Ag hybrid nanofluid. Firstly, the ZnO-Ag hybrid nanoparticles were synthesized and mixed in the jatropha oil to prepare various nanofluids at different volume concentrations (F) ranging from 0.05 to 0.20%. The stability and thermal conductivity of the prepared nanofluids were investigated. Wide ranges of temperature and …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 32–39 Read article
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Need Assessment for Opening a Special School for Differently Abled Children in Mekelle City, Ethiopia 2014
Abstract: Normal 0 false false false EN-US X-NONE X-NONE Every one differs from each other in all aspects which includes physical, emotional, intellectual and behaviors. This causes a different situation for a teacher who has to manage the students with different abilities. It has been greatest challenge for the school teachers to provide a better service without individual differences. In a class room a child can be a normal or with …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 5, Issue 1, 2015 · pp. 20–50 Read article
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Community Acceptance towards Male Midwives in Tigray, Northern Ethiopia, 2015/16
Abstract: Cognizant to the higher maternal mortality ratio, limited access of maternal health services and scarcity of trained health professionals in developing countries including Ethiopia, unwilling to use the existing health services considering the sex of the healthcare providers poses additional challenge for maternity care. Though remained uncovered, pregnant women’s acceptance towards male midwife becomes more awful for uptake of the services provided by the health system. Hence, the current study …
Published in Research and Reviews : A Journal of Immunology · Vol. 7, Issue 3, 2017 · pp. 28–44 Read article
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Level of Adherence to Hypertension Treatment Using Morisky Medication Adherence Scale, Mekelle, Ethiopia
Abstract: Hypertension is defined as a systolic blood pressure greater than 140 mm Hg and a diastolic blood pressure greater than 90 mmHg over a sustained period, based on the average of two or more blood pressure measurements taken in two or more contacts with the health care provider after initial screening. Hypertension treatment is many sided, requiring enduring adherence for anti-hypertension medications and lifestyle instructions as well. Lots of factors …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 6, Issue 2, 2016 · pp. 1–10 Read article
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HBsAg Prevalence and Determinant Risk Factors among Voluntary Counseling and Testing Clients Visiting Gondar Health Center, Northwest Ethiopia
Abstract: Globally, an astounding number of people are infected with HBV, HCV and HIV. Due to shared routes of transmission, HBV and human immunodeficiency virus co-infection is common and is an emerging concern in the clinical management of patients because of increased mortality, accelerated hepatic disease progression, and the frequent hepatotoxicity caused by hepatitis B virus. The aim of this study was to assess the prevalence and risk factors of HBsAg …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 5, Issue 2, 2015 · pp. 15–20 Read article
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Predictors of Low Birth Weight in Tigrai Regional State, Northern Ethiopia: Hospital Based Case Control Study
Abstract: Background: Low birth weight is a serious public health crisis to neonatal survival, about 20.6 million such infants born each year and the developing world inhabits 96.5% of them and little is documented about the predictors of low birth weight in Ethiopia. Therefore, this study is intended to identify the determinants of low birth weight in governmental hospitals of Tigrai national state, Ethiopia.Method: A case-control study was carried out at …
Published in Research and Reviews: A Journal of Health Professions · Vol. 7, Issue 1, 2017 · pp. 23–32 Read article
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Magnitude and Factors Associated with Tetanus Toxoid Vaccination among Female Youth in Mekelle City, Ethiopia: A Community Based Cross-Sectional Study
Abstract: Introduction: Tetanus can occur worldwide, and, in all age-groups, who acquire the infection through unhygienic conditions and in the youths, who have insufficient antitoxins due to no or sub-optimal immunization to protect themselves and their newborn babies. Objectives: To assess the magnitude and factors associated with tetanus toxoid immunization among female youths in Mekelle City, Tigray Regional state, Ethiopia. Method: Community based cross sectional study design was conducted. A total …
Published in Research and Reviews: A Journal of Health Professions · Vol. 9, Issue 3, 2019 · pp. 11–21 Read article
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Patterns and Risk Factors of Gestational Diabetes Mellitus among Mothers Who Visited Antenatal Clinics in Public Health Centers of Mekelle City, Tigray, Ethiopia, 2015
Abstract: Gestational diabetes mellitus is associated with significant morbidity in the short and long-term, for both mother and offspring. It is now well established that women with a history of GDM are at a significant increased risk of developing type-2 diabetes, later in life. There were limited studies conducted on pattern and risk factors of gestational diabetes mellitus in Tigray region. The aim of this study is to assess patterns and …
Published in Research and Reviews : Journal of Surgery · Vol. 5, Issue 2, 2016 · pp. 12–20 Read article
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Partograph Utilization and Associated Factors among Graduating Health Professional Students in Asella Referral and Teaching Hospital, Ethiopia, 2016
Abstract: Background: Outcome of labor and delivery are unpredictable events, which if not monitored properly can result in a maternal and fatal mortality and morbidity. The World Health Organization (WHO) promotes the use of the partograph to monitor and improve the management of labor and to support decision-making regarding interventions.Objective: This study aimed to assess proper utilization of partograph and its associated factors.Methodology: This cross-sectional study was conducted on 127 participants …
Published in Research and Reviews : Journal of Computational Biology · Vol. 6, Issue 2, 2017 · pp. 12–18 Read article
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Voluntary Blood Donation, Future Willingness and Associated Factors Among Attendants of Obstetrics and Gynecology Patients in JIMA University Specialized Hospital, Oromia region, Ethiopia, 2015
Abstract: Background: Hemorrhage is the major cause of maternal death worldwide. This problem is more prevalent in developing countries including Ethiopia. Therefore, availability of adequate blood supply and timely transfusion has paramount importance in reducing maternal deaths. In this aspect, assessing practice, future willingness and associated factors towards voluntary blood donation among attendants can contribute in alleviating the scarcity of blood for transfusion.Objective: To assess voluntary blood donation, future willingness and …
Published in Research and Reviews : Journal of Computational Biology · Vol. 6, Issue 3, 2017 · pp. 1–8 Read article
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Factors Associated with Relapse in Schizophrenia Patients Who are on Follow Up at Ayder Comprehensive Specialized Hospital and Mekelle General Hospital, Tigray, Ethiopia, 2018/19
Abstract: Schizophrenia is a chronic and disabling illness; relapse is recognized as the reemergence or the worsening of positive and/or negative psychotic symptoms, hospital admission or readmission. Factors that associated with relapse; substance use disorders, noncompliance of medicine, side effect experience of antipsychotic, poor social support, co-morbidity of other mental illness and chronic medical condition. The aim of this study was to identify factors associated with relapse in schizophrenia patients who …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 10, Issue 1, 2020 · pp. 9–15 Read article
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Magnitude and Factors associated with Voluntary Blood Donation Practice among Adult Mekelle Population, North Ethiopia: A Community-based Cross-sectional Study
Abstract: Globally, around 107 million blood donations are collected annually. However, only two million units are donated in sub-Saharan Africa where the need is enormous. Hence, the aim of the study was to assess the magnitude and factors affecting blood donation practice among adult Mekelle population. A community-based cross-sectional study design was conducted. Using multistage sampling technique and a pre-tested structured interview questionnaire, data were collected from 845 study participants. Collected …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 4, Issue 3, 2015 · pp. 5–13 Read article
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Nutritional Recovery Status and its Determinants of Targeted Supplementary Feeding Program among Pregnant and Lactating Women in Werie-Leke District, North Ethiopia, 2015
Abstract: In Ethiopia, around 1.5 million pregnant and lactating women (PLW) screened for acute malnutrition and those with moderate acute malnutrition (MAM) admitted to the targeted supplementary feeding program (TSFP). As the health system accepted, the TSFP is recognized as critical for the reduction of maternal morbidity and mortality in case of community emergency nutrition, but the recovery outcome was not measured yet. The study was undertaken to assess the nutritional …
Published in Research and Reviews: A Journal of Health Professions · Vol. 6, Issue 2, 2016 · pp. 21–30 Read article
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Determinants of Caesarean Delivery in Ayder Referral Hospital, Mekelle, Tigray, Ethiopia 2015: A Case Control Study
Abstract: Caesarean delivery rates have been increasing around the world from time to time, with current rates in developing countries comparable to other industrialized nations. International concern over such increases has prompted the World Health Organization to suggest that caesarean section rates should not exceed 15%. A study conducted in Ayder Referral Hospital indicated that the rate of caesarean section was 21.90%. The aim of the study was to assess the …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 5, Issue 1, 2016 · pp. 52–59 Read article
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Statistical and AI Approaches to Measure Sustainability Performance of Enterprises
Abstract: Measuring sustainability performance has become a critical priority for enterprises facing increasing regulatory pressure, stakeholder expectations, and global sustainability challenges. Traditional assessment methods, largely based on static indicators and manual reporting, often struggle to capture the multidimensional, dynamic, and data-intensive nature of sustainability. This study explores the integration of statistical and artificial intelligence (AI) approaches to evaluate and enhance the sustainability performance of enterprises in a more robust, accurate, and …
Published in Research & Reviews : Journal of Statistics · Vol. 15, Issue 1, 2026 · pp. 30–36 Read article
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Prevalence and Factors Associated with Overweight/Obesity in Public Servants, Tigray, Ethiopia: The Case of Mekelle City
Abstract: Introduction: Noncommunicable diseases (NCDs) remain the major causes of mortality. In Africa and sub-Saharan countries prevalence of NCDs is rising due to many reasons. About 80% of deaths due to NCDs are common in low and middle-income countries including Ethiopia. Overweight and obesity are leading risk factors for a number of chronic NCDs. Objective: The aim of this research was to estimate the magnitude and factors associated with overweight/obesity among …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 7, Issue 3, 2018 · pp. 39–46 Read article
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Magnitude of Substances Use and Associated Factors among Aksum University Students, North Ethiopia: Challenges of Future Generation
Abstract: Background: Students of higher educational institution are at higher risk of substance abuse. Thus, this study was aimed to assess the prevalence and associated factors of substance use among undergraduate students in Aksum University. Methods: Institution based quantitative cross sectional study design was conducted among Aksum university regular students in April 2015. A sample of 853 students was selected by using multistage sampling technique. The data were collected by using …
Published in Research and Reviews: A Journal of Health Professions · Vol. 7, Issue 1, 2017 · pp. 9–18 Read article
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Episiotomy Practice and its Associated Factors among Mothers who Gave Birth Vaginally at Public Health Institutions of Shire Town, Northern Ethiopia
Abstract: Obstetric perineal trauma is assumed to be a serious health problem for women as well as for their child during their childbirth. Episiotomy is the commonest obstetric surgical operation performed to increase the diameter of the vulvas outlet during the late period of the second stage of labor in order to facilitate vaginal delivery. The rate of episiotomy is on the decline in developed countries but still remains high in …
Published in Research and Reviews: A Journal of Health Professions · Vol. 6, Issue 1, 2016 · pp. 15–21 Read article
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Partograph: An Essential Tool for Midwives to Manage Labor at Public Health Institutions in Tigray, Northern Ethiopia
Abstract: A partograph is a graphical presentation of a woman’s progress of labour. Once the woman has true signs of labour and reaches active first stage of labor, the midwife initiates the use of the partograph to record her findings. Prolonged labor; mainly due to cephalopelvic disproportion (CPD), which may result in obstructed labor, maternal dehydration, ruptured uterus, obstetric fistulae, fetal asphyxia, fetal brain damage, infection and death of both mother …
Published in Research and Reviews : A Journal of Immunology · Vol. 5, Issue 3, 2015 · pp. 23–29 Read article
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Risk Factors of Neonatal Deaths Among Asphyxiated Neonates in Ayder Referral Hospital, Mekelle, Ethiopia: A Case Control Study
Abstract: In the globe about 4 million babies die during neonatal period every year and 99% of these deaths occur in low-income and middle-income countries. Out of these, almost one-fourth of them lose their lives due to birth asphyxia. The main objective of this study was to assess risk factors of neonatal death among asphyxiated neonates in Ayder Referral Hospital, Mekelle City. Institution-based unmatched case-control study was conducted from December 1st …
Published in Research and Reviews: A Journal of Medicine · Vol. 5, Issue 3, 2015 · pp. 16–26 Read article