Ebenezer Afrifa-Yamoah

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Verified

Ebenezer verified their affiliation via an institutional email.

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• PhD
• Lecturer at Edith Cowan University

Digital camera monitoring is increasingly being used to monitor recreational fisheries. The manual interpretation of video imagery can be costly and time consuming. In an a posteriori analysis, we investigated trade-offs between the reading cost and accuracy measures of estimates of boat retrievals obtained at various sampling proportions for low,...

Monitoring of recreational fisheries faces ongoing challenges due to irregular data collection and sampling gaps. We used a robust statistical approach combining cross-sectional panel modeling with generalized linear models to analyze discontinuous time series data. We modeled recreational boating patterns across four distinct Western Australian lo...

Africa's unique position in global CO2 emissions demands rigorous analysis for effective climate policy development. Despite contributing only 4% to global emissions, the continent faces disproportionate climate impacts while undergoing rapid development and complex economic transitions. Current research lacks extensive continental analysis of the...

Background The Suboptimal Health Status Questionnaire-25 (SHSQ-25) is a distinctive medical psychometric diagnostic tool designed for the early detection of chronic diseases. However, the synaptic connections between the 25 symptomatic items and their relevance in supporting the monitoring of suboptimal health outcomes, which are precursors for ch...

Chronic diseases such as heart disease, cancer, and diabetes are leading drivers of mortality worldwide, underscoring the need for improved efforts around early detection and prediction. The pathophysiology and management of chronic diseases have benefitted from emerging fields in molecular biology like genomics, transcriptomics, proteomics, glycom...

Persimmon fruit is highly susceptible to chilling injury (CI) during cold storage. This study was aimed at evaluating effects of cinnamon bark oil (CBO, 4 µM) fumigation, modified atmosphere packaging (MAP), and a combination of CBO and MAP on CI of 'Fuyu' persimmons. Fourier-transform infrared (FT-IR) analysis revealed changes in the peel surface...

Background Precise risk prediction of chronic diseases is essential for effective preventive care and management. Machine learning (ML) is a promising avenue to enhance chronic disease risk prediction; however, a comprehensive assessment of ML performance across various chronic diseases, populations, and health settings is needed. Methods This met...

BACKGROUND Chilling injury (CI) in Japanese plums (Prunus salicina Lindell) is a critical cold storage constraint that adversely impacts fruit quality and marketability. Jasmonic acid (JA) and its methyl derivative ‘methyl jasmonate’ (MeJA) are widely studied phytohormones for the mitigation of CI in several fruit crops, whereas their efficacy in J...

Although the impact of postharvest melatonin (MLT) application in extending the storage life of horticultural produce has been widely studied, its effect in jackfruit remains unknown. This investigation evaluates the influence of MLT dip application (0, 0.05, 0.1, and 0.2 mM) on browning, softening and oxidative stress in cold-stored jackfruit bulb...

Aims To identify types of patient‐reported missed nursing care and adverse events and identify the factor associated with missed care in a Western Australian tertiary hospital. Background Research in the domain of missed nursing care has established the association between missed nursing care and unsafe patient outcomes. However, there is a paucit...

Background: There are diverse gender and age-based differences in levels of anxiety between boys and girls. Establishing the validity of such assessments entails inquiry on the construct validity and measurement invariance of tools. This study examined the psychometric properties of the Arabic version of the Revised Children's Manifest Anxiety Scal...

Sweet persimmon 'Fuyu' is highly sensitive to chilling injury (CI), which shortens its storage life. The aim of this study was to assess the effect of melatonin (MLT) dip treatment (100 µmol L − 1), modified atmosphere packaging (MAP), and combined application of MLT and MAP on reduction of CI in 'Fuyu' persimmon fruit at 0 ± 1 • C up to 60 days. A...

The highly perishable nature of Rubus berries, particularly their susceptibility to water loss and earlier senescence, significantly limits their shelf life. In this study, we investigated the mechanistic role of modified atmosphere packaging (MAP) on the physiochemical quality, phenolic metabolism, and antioxidant potential of blackberries and ras...

Time-frequency domain analysis of housing prices can provide insights into significant periodic patterns in the pricing dynamics for modelling and forecasting purposes. This study applied wavelet and information entropy analyses to examine the periodic patterns and evolution of housing prices in Australia’s eight capital cities from 1980 to 2023, u...

The effects of preharvest methyl jasmonate (MeJA) spray application on the physicochemical quality, metabolism of phenolics, cell wall components in raspberries were investigated during a 10-day cold storage period. MeJA spray reduced firmness loss, decay incidence, and weight loss, while maintained higher levels of soluble solids content, ascorbic...

Released (or discarded) fish from recreational and commercial line fisheries can experience significant levels of post-release mortality (PRM), affecting sustainability. Although PRM effects are often considered in data-rich (integrated model) assessments, this is uncommon in data-limited assessments. This study investigates impacts of PRM when app...

Jasmonic acid (JA) and its methyl ester, methyl jasmonate (MeJA), are increasingly being recognised as unique phytohormones, linked to a variety of physiological and molecular functions. Endogenous concentrations of jasmonates (JAs) vary among plant parts, stages of fruit development, maturity, ripening and during the post-harvest period. MeJA expr...

Introduction Breaking the chain of transmission of an infectious disease pathogen is a major public health priority. The challenges of understanding, describing and predicting the transmission dynamics of infections have led to a wide range of mathematical, statistical and biological research problems. Advances in diagnostic laboratory procedures w...

Background Cataract, the leading cause of blindness worldwide, can significantly impair visual function. Purpose This study investigated the association between cataract‐related falls among the elderly population in the Central region of Ghana. Methods The prospective cohort study among cataract patients aged 65 years and older, using purposive s...

A critical aspect of the management of oil and gas resources in Ghana is the effective promotion and development of local content to maximise the participation of local businesses and workforce in the oil and gas industry. This study examined local content drive in Ghana's oil and gas sector, analyzing its functional relations with institutional ch...

Jackfruit exhibits a high degree of genetic diversity due to cross-pollination and heterozygosity; nevertheless, little is known about the characterisation of fruit quality in jackfruit genotypes grown in tropical Australia. In this study, patterns of morphological and biochemical variation in the fruit of 12 jackfruit genotypes were investigated....

Ethylene management and manipulating storage conditions are crucial elements that impact the postharvest quality of apple fruit. This study demonstrated the optimal approach for preserving the quality of 'Cripps Pink' apple fruit during storage by minimizing ethylene production and action, respiration rate, physiological loss of weight (PLW), and t...

COVID-19 has revolutionised assessment design and practices in higher education; however, there has been no shift in the objective of enhancing the relationship between assessment and learning that promote the holistic development of students. In this study, we provide an empirical evaluation of the perceived effects of assessment practices (invigi...

Blackberry plants were sprayed with methyl jasmonate (MJ 0, 1, 2 or 3 mmol L⁻¹), 2 weeks before tentative harvest maturity, to evaluate its influence on red drupelet reversion (RDR), antioxidant capacity and postharvest quality during cold storage up to 12 days. MJ significantly reduced RDR and weight loss while maintaining higher anthocyanins and...

The burgeoning prevalence of cardiometabolic disorders, including type 2 diabetes mellitus (T2DM) and metabolic syndrome (MetS) within Africa is concerning. Machine learning (ML) techniques offer a unique opportunity to leverage data-driven insights and construct predictive models for MetS risk, thereby enhancing the implementation of personalised...

The drivers contributing to the trajectories of seagrass ecosystems is a key knowledge gap which limits our effectiveness in preventing their decline. Here, we present the key findings from the regional assessment of seagrass condition (shoot density) over time, which was undertaken to inform environmental impact assessment and monitoring as well a...

Methyl jasmonate (MJ) has potential to regulate fruit ripening and quality. ‘Yoho’ and ‘Jiro’ persimmons were sprayed with MJ (0, 2, 4, and 6 mM), four weeks before anticipated harvest to evaluate its effects on fruit colour and bioactive compounds. Preharvest MJ application significantly improved fruit colour with increased a*, b*, chroma, and col...

The aim of this investigation was to examine levels of minerals in fruit pulp of 12 jackfruit (Artocarpus heterophyllus Lam.) genotypes. In total, 25 mineral elements including quantity (7), essential-trace (12) and unclassified mineral elements (6) have been detected using ion chromatography, inductively coupled plasma-mass spectrometry, and induc...

Large pelagic finfish are highly mobile, distributed across broad geographical scales, and often targeted by both commercial and recreational sectors. Fishing effort in these fisheries is variable due to seasonal patterns in fish behaviour and accessibility of fishing locations. Similarly, fisher behaviour and access are likely to differ within the...

This pilot mixed methods study explores the impact of Human-Empathy Accessibility Learning (HEAL) interventions on soft skills development in undergraduate computing students, emphasizing their role in job readiness and perceived employability. HEAL interventions aimed to enhance accessibility awareness, focusing on motivation, empathy, and emotion...

The healthcare landscape in Ghana is primarily composed of lower-tier providers, which serve as the initial point of contact for most medical emergencies. This study aimed to assess the emergency care preparedness and readiness of primary healthcare providers using a robust evaluation approach. A multicentre retrospective cross-sectional study was...

Background Vernal Keratoconjunctivitis (VKC) has been determined to be highly prevalent in countries within the tropical climate region. However, little evidence from studies conducted within this region has been put forward to support this claim. Aim To determine the prevalence and risk factors of VKC among a Ghanaian clinical cohort. Methods A...

Identification of people at risk of cardiometabolic diseases is a major clinical need. Such individuals can benefit from tailored treatments that can potentially reduce their risk, while bringing precision to predictive, preventive, and personalised medicine (PPPM). Central to preventive medicine is the new concept of Suboptimal Health Status (SHS)...

Whilst extensive scholarly works on social presence, trust, and customer loyalty exist, no research specifically focuses on measuring the relational effect of social presence and trust on customer loyalty in both online and store-based retail environments. This study proposes and tests a model to demonstrate the mediation role of trust in the nexus...

Introduction: The landscape of health system in Ghana is primarily composed of lower-tier providers, which are mostly the initial point of contact for most medical emergency cases. With the growing incidence of health emergencies, this study sought to provide a realist evaluation of the extent of emergency care preparedness and readiness of primary...

The lack of continuity in recreational fisheries data due to intermittent sampling or surveys make trend estimation of effort difficult. We propose pooled cross-sectional study design analysed using panel generalised linear modelling techniques as feasible and robust approaches to estimate trends and identify drivers for data-challenged recreationa...

Raspberries are highly perishable and have a short storage life. To extend its storage life, we evaluated the impact of preharvest melatonin (MEL) application (0, 50, 100, 200 µmol L − 1), three days before harvest, on the activities of oxidative and antioxidative enzymes and quality attributes in 'Esperanza' raspberries up to 10 d cold storage. Th...

Released (or discarded) fish from recreational and commercial line fisheries can experience significant levels of post-release mortality (PRM), which can affect the sustainability of fish stocks. Although effects of PRM are often considered in relatively data-rich (integrated model) assessments, this is uncommon with data-limited assessments. This...

Oxalic acid (OA) is a unique organic acid that commonly occurs in plants with distinct functions in modulating metabolic processes. To date, the role of OA has primarily been studied in the deactivation of copper-containing preservatives, detoxification of aluminium toxicity and remediation of organic pollutants. During the last two decades, OA has...

Red drupelet reversion (RDR) shortens the marketing window for blackberries by reducing cosmetic appearance of the fruit. Blackberry plants were sprayed with methyl jasmonate (MJ 0, 1, 2 or 3 mM), two weeks before tentative harvest maturity, to evaluate effects on RDR, antioxidant capacity and fruit quality in cold stored blackberry fruit for up to...

Blackberries and raspberries, commonly known as Rubus berries, are commercially grown worldwide across different climates. Rubus berries contain wide array of phytochemicals, vitamins, dietary fibers, minerals, and unsaturated fatty acids. Nevertheless, these berries have short storage life which is the major constraint in their supply chains leadi...

Changes to management of a fisheries resource are often required to ensure ongoing sustainability. However, such changes can sometimes lead to unintended effects such as increased release rates and associated post-release mortality. These effects may be highly variable between species and areas. Recreational fishing management changes were introduc...

Background Visceral obesity and insulin resistance contribute to developing cardiometabolic syndrome (MetS). We investigated the predictive abilities of lipid accumulation product (LAP), waist circumference‐triglyceride index (WTI), and triglyceride‐glucose (TyG) index for MetS screening among the general Ghanaian adults. Methods The final prospec...

Background Preeclampsia is a leading cause of foeto-maternal deaths especially in Sub-Saharan Africa. However, the prevalence and risk factors of preeclampsia are scarce in the Central region of Ghana with previous study assessing individual independent risk factors. This study determined the prevalence and algorithm of adverse foeto-maternal risk...

Background: Missed nursing care (MNC) has gained increasing emphasis in nursing literature because of its association with nurse and patient outcomes in healthcare settings. While missed care has been widely studied, little evidence is available on the types and frequency of missed care, reasons for its occurrence, and predictors of missed care in...

Objectives Micronutrients, especially calcium (Ca) and magnesium (Mg) are reported to reduce preeclampsia events via several factors such as endothelial cell control, optimal oxidative stress and a balanced angiogenic growth mediator. We evaluated the association of micronutrients with oxidative stress biomarkers, and angiogenic growth mediators in...

Blackberry (Rubus spp.) is susceptible to red drupelet reversion (RDR) during postharvest supply chain which has been associated with anthocyanin degradation. The efficacy of preharvest melatonin spray application (0, 50, 100 and 200 µmol L−1) two weeks before anticipated harvest on RDR, anthocyanin degradation, antioxidant capacity and postharvest...

Hypertension (HTN) is the leading cause of cardiovascular diseases. Nevertheless, most individuals in developing countries are unaware of their blood pressure status. We determined the prevalence of unrecognized hypertension and its association with lifestyle factors and new obesity indices among the adult population. This community-based study was...

Chilling injury (CI) causes significant losses in fruits and vegetables during cold storage. CI symptoms exhibited as browning, off-flavour and sunken spots, reduced juice content, uneven ripening and softening in fresh horticultural produce. Application of melatonin (MT) effectively mitigates CI in cold-stored fruits and vegetables. This comprehen...

Chilling injury (CI) causes significant losses in fruits and vegetables during cold storage. CI symptoms exhibited as browning, off-flavour and sunken spots, reduced juice content, uneven ripening and softening in fresh horticultural produce. Application of melatonin (MT) effectively mitigates CI in cold-stored fruits and vegetables. This comprehen...

COVID-19 and its associated restrictions called for innovations in higher education teaching and learning space with many universities resorting to online teaching and alternative assessments. However, little has been done to understand the academic integrity implications in alternative online and non-invigilated assessments. This study explored t...

Unlabelled: The COVID-19 pandemic rapidly led to changes in the mode of teaching, learning and assessments in most tertiary institutions worldwide. Notably, non-invigilated summative assessments became predominant. These changes heightened anxiety and depression, especially among individuals with less resilient coping mechanism. We explored the pe...

Background. Dermatosis papulosa nigra (DPN) affects sun-exposed areas such as the face, neck, and trunk. The prevalence of pterygium and myopia in DPN patients in Ghana has not been studied. In this study, we examined the risk and protective factors for pterygium and myopia in DPN patients. Materials and Methods. The study involved 100 participan...

Purpose: Interventions focused on promoting resilience or protective factors of youth have been proposed as a strategy for reducing risky behaviours associated with HIV infection among youth; however few studies have explored their effectiveness. This study assessed the impact of a resilience-based HIV prevention intervention (You Only Live Once)...

Objective: To investigate the Australian general public’s perception of appropriate medical scenarios that warrants a call to an emergency ambulance. Methods: An online survey asked participants to identify the likely medical treatment pathway they would take for 17 hypothetical medical scenarios. The number and type of nonemergency scenarios (n =...

The rising trends of insect resistance, coupled with escalating environmental pollution from synthetic pesticides, heighten the need for a more effective and, non-hazardous agents to control insect/pests. Different aqueous extracts of Mentha spicata were screened for their phytochemical constituents and their antifeedant activities against Spodopte...

The promotion of Diabetes Self-Management (DSM) practices, education, and support is vital to improving the care and wellbeing of diabetic patients. Identifying factors that affect DSM behaviours may be useful to promote healthy living among these patients. The study assessed the determinants of DSM practices among Type 2 diabetes mellitus (T2DM) p...

Severity of falls in hospital patients are threat to patient safety which can result in a financial burden on the patient’s family and health care services. Both patient specific and environmental and organisational factors are associated with severity of falls in hospital. It is important to continuously analyse the factors associated with severit...

Plasma N-glycan profiles have been shown to be defective in type II diabetes Mellitus (T2DM) and holds a promise to discovering biomarkers. The study comprised 232 T2DM patients and 219 healthy individuals. N-glycans were analysed by high-performance liquid chromatography. The multivariate integrative framework, DIABLO was employed for the statisti...

This exploratory study was conducted across two different institutions in the United States and in Australia. The online surveys applied two instruments: the Trait Emotional Intelligence Questionnaire and the Multidimensional Work Motivation Scale to investigate the correlations between the constructs of employability, emotional intelligence, and m...

Planned behaviour theory was used in a path analysis modelling to investigate the serial mediation role of teaching methods and personality traits (locus of control, need for achievement and entrepreneurial attitude) in the relationship between entrepreneurship curriculum and entrepreneurial intention among university students in Ghana. A proposed...

Introduction: Human immunodeficiency virus (HIV) prevention interventions focused at reducing risky sexual behaviours are an important strategy for preventing HIV infection among youth (15-24 years) who continue to be vulnerable to the disease. This systematic review aims to synthesise current global evidence on the effectiveness of HIV prevention...

Objective: To investigate the Australian general public’s ability to identify common medical emergencies as requiring an emergency response. Methods: An online survey asked participants to identify likely medical treatment pathways they would take for 17 hypothetical medical scenarios (eight emergency and nine non-emergency). The number and type...

Objective The study used both subjective, Suboptimal Health Status (SHS) concept along with objective, biomarkers of oxidative stress (OS): 8-OHdG, 8-epi-PGF2α and total antioxidant capacity (TAC); and angiogenic growth mediators (AGMs): VEGF-A, sFlt-1, PlGF and soluble endoglin (sEng) for predicting early-onset (EO) and late-onset (LO) preeclampsi...

Fall armyworms (Spodoptera frugiperda) cause massive destruction to crop produce and vegetation worldwide. Over the years, synthetic insecticides have been used to combat the devastating effects of this notorious polyphagous insect pest. Synthetic insecticides are not only expensive, but they are also harmful to the ecosystem. Safer and cost-effect...

Digital camera monitoring has revolutionised survey designs in many fields, as an important source of information. The extended sampling coverage offered by this monitoring scheme makes it preferable compared to other traditional methods of survey. However, data obtained from digital camera monitoring are often highly variable, and characterized by...

Plasma N-glycan profiles have been shown to be defective in type II diabetes Mellitus (T2DM) and holds a promise to discovering biomarkers. The study comprised 232 T2DM patients and 219 healthy individuals. N-glycans were analysed by high-performance liquid chromatography. Principal component analysis (PCA), discriminatory analysis and agglomerativ...

The connection between personality traits, entrepreneurship curriculum and entrepreneurial intention has received inadequate research consideration among students in Africa to inform policies and curriculum development. An explanatory cross-sectional survey of 324 Ghanaian university students was assessed in a path analysis to model entrepreneurial...

Background: Injurious falls in hospital patients are threat to patient safety which can result in a financial burden on the patient’s family and health care services. Both patient specific and environmental and organisational factors are associated with injurious hospital falls. It is important to continuously analyse the factors associated with th...

Type 2 diabetes mellitus (T2DM) has been strongly associated with single nucleotide polymorphisms (SNPs) in the TCF7L2 gene. This study investigated the association between rs12255372, rs7903146 in the TCF7L2 gene and T2DM in a Ghanaian population. A case-control study design was used for this study. A total of 106 T2DM patients and 110 control par...

Type 2 diabetes mellitus (T2DM) has been strongly associated with single nucleotide poly-morphisms (SNPs) in the TCF7L2 gene. This study investigated the association between rs12255372, rs7903146 in the TCF7L2 gene and T2DM in a Ghanaian population. A case-control study design was used for this study. A total of 106 T2DM patients and 110 control pa...

Digital camera monitoring data on recreational boating traffic are often manually interpreted and the reading cost can be expensive. Typically, these data are used along with other periodic survey information and camera data between these surveys may not be read, creating gaps in the time series. We predicted recreational boating traffic during the...

Digital camera monitoring has revolutionised survey designs in many fields, as an important source of information. The extended sampling coverage offered by this monitoring scheme makes it preferable compared to other traditional methods of survey. However, data obtained from digital camera monitoring are often highly variable, and characterized by...

Background: Accurate prediction and early recognition of type II diabetes (T2DM) will lead to timely and meaningful interventions, while preventing T2DM associated complications. In this context, machine learning (ML) is promising, as it can transform vast amount of T2DM data into clinically relevant information. This study compares multiple ML tec...

BACKGROUND: Visual health information is particularly important in planning appropriate interventions to combat preventable causes of blindness and visual impairment. Nonetheless, there is limited information on ocular health conditions in Ghana. The study set out to determine the pattern of ocular morbidity at the Red Cross Eye Unit in the Bono Re...

Background and Aims: Congenital Heart Defects (CHDs) are the most common type of birth defects, representing 0.8% of infants at birth and one of the leading causes of infant death. Although the exact etiology remains a significant challenge, epigenetic modifications, such as DNA methylation, are thought to contribute to the pathogenesis of CHDs. Th...

Background The Suboptimal Health Status Questionnaire-25 (SHS-Q-25) developed to measure Suboptimal Health Status has been used worldwide, but its construct validity has only been tested in the Chinese population. Applying Structural Equation Modelling, we investigate aspects of the construct validity of the SHS-Q-25 to determine the interactions b...

The lack of empirical evidence on the effect of heat exposure on the health and safety, productivity, psychological behaviour and social well-being outcomes of small- and large-scale mining workers in Africa has derailed concrete policy directions and interventions. An explanatory cross-sectional survey involving 320 small- and large-scale mining w...

Aim: The study sought to determine the patterns of N-glycan profiles among Type 2 diabetes mellitus (T2DM) patients over a 6-month period. Materials & methods: Biochemical and clinical data were obtained from 253 T2DM patients at baseline and follow-up. Ultra-performance liquid chromatography and statistical methods were applied for N-glycan profil...

Living with a long-term medical condition is associated with heightened risk for mental health and psychosocial difficulties, but further research is required on this risk for children and adolescents with a rare disease in the educational setting. The aim of this study is to describe parents’ perceptions of the psychosocial impact of rare diseases...

Background Type-2 diabetes mellitus (T2DM) have been strongly associated with single nucleotide polymorphisms (SNPs) in the TCF7L2 gene. This study investigated the interplay between rs12255372 and rs7903146 with T2DM in a Ghanaian population. Methods A case-control design was used for this study. A total of 106 T2DM patients and 110 apparently he...

Heat exposure studies over the last decade have shown little attention in assessing and reporting the psychometric properties of the various scales used to measure impacts of occupational heat stress on workers. A descriptive cross-sectional survey including 320 small- and large-scale mining workers was employed to assess the construct validity of...

Background Accurate prediction and early recognition of type II diabetes (T2DM) will lead to timely and meaningful interventions, while preventing T2DM associated complications. In this context, machine learning (ML) is promising, as it can transform vast amount of T2DM data into clinically relevant information. This study compares multiple ML tech...

Digital camera monitoring has evolved as an active application-oriented scheme to help address questions in areas such as fisheries, ecology, computer vision, artificial intelligence, and criminology. In recreational fisheries research, digital camera monitoring has become a viable option for probability-based survey methods, and is also used for c...

Background Accurate prediction and early recognition of type II diabetes (T2DM) will lead to timely and meaningful interventions, while preventing T2DM associated complications. In this context, machine learning (ML) is promising, as it can transform vast amount of T2DM data into clinically relevant information. This study compares multiple ML tech...

While remote camera surveys have the potential to improve the accuracy of recreational fishing estimates, missing data are common and require robust analytical techniques to impute. Time-lapse cameras are being used in Western Australia to monitor recreational boating activities , but outages have occurred. Generalized linear mixed effect models fo...