Bright Opoku Ahinkorah

• Doctor of Philosophy
• Grant-Funded Researcher at The University of Adelaide

Persons with disabilities (PwDs) constitute about 16% of the world’s population. However, they experience various challenges in their respective societies. Various interventions have been introduced to promote inclusion and improve the lives of PwDs, including the Sustainable Development Goal 3.8, which emphasizes the need for universal health cove...

Introduction Inadequate utilisation of maternal healthcare services, particularly antenatal care (ANC), poses a challenge in sub-Saharan Africa (SSA). There is a dearth of regional studies that address the socio-economic disparities in the use of ANC in SSA. Therefore, we examined the wealth and education-based inequalities in the utilisation of AN...

Background Access to healthcare is vital to women's health outcomes, as emphasised in the Sustainable Development Goals. This study aimed to assess the factors associated with barriers to healthcare utilisation among women aged 15-49 years in Ghana. Methods Data from the 2022 Ghana Demographic and Health Survey was used for the study. The study in...

Background Vaccination plays a pivotal role in safeguarding the health and wellbeing of children worldwide, preventing the spread of infectious diseases, and reducing mortality rates. Despite significant progress in global immunisation efforts, disparities in vaccination coverage persist in Madagascar. This study examines the factors associated wit...

Introduction Cervical cancer remains a global health challenge, disproportionately affecting women in low- and middle-income countries, including Ghana. Hence, this study examined the regional variations and predictors of cervical cancer screening uptake among women aged 30–49 in Ghana. Methods Data for this study was obtained from the 2022 Ghana...

Background: Deaths from suicide are a tragic yet preventable cause of mortality. Quantifying the burden of suicide to understand its geographical distribution, temporal trends, and variation by age and sex is an essential step in suicide prevention. We aimed to present a comprehensive set of global, regional, and national estimates of suicide burd...

Background High completed fertility among married and cohabiting women has significant implications, such as burden on resources, exacerbating healthcare issues and educational and gender disparities. This study examined the provincial distribution and factors associated with high completed fertility among married and cohabiting women aged 40–49 y...

Background Total fertility rate measures the average number of children a woman is expected to have during her reproductive age (typically 15-49 years). Despite the national decline in Sierra Leone, significant disparities in total fertility rates persist across socioeconomic and geographic lines. This study investigated the inequalities in total f...

For years, African women have struggled to gain social recognition and autonomy. This challenge with independence has truncated the socio-economic status and exacerbated adverse health outcomes among African women. Using an intersectionality lens as a theoretical framework, this chapter explores the experiences of Ghanaian women in relation to agei...

Intimate partner violence (IPV) is a global issue with several social and health consequences. Global estimates indicate that one-third of women have experienced lifetime IPV. In 2013, sub-Saharan Africa recorded the highest rates of IPV. Furthermore, previous research showed that polygyny is positively associated with IPV. This study examined asso...

Background Unintended pregnancy is a significant public health concern in Sierra Leone, with far-reaching consequences for both mothers and children. This issue impacts individual well-being, strains healthcare systems, and hinders socioeconomic development. This study examined the prevalence and factors associated with unintended pregnancy in Sier...

Background Upper respiratory infections (URIs) are the leading cause of acute disease incidence worldwide and contribute to a substantial health-care burden. Although acute otitis media is a common complication of URIs, the combined global burden of URIs and otitis media has not been studied comprehensively. We used results from the Global Burden o...

Background Pulmonary arterial hypertension (PAH) is a vascular disease characterised by restricted flow and high pressure through the pulmonary arteries, leading to progressive right heart failure and death. This study reports the global burden of PAH, leveraging all available data and using methodology of the Global Burden of Diseases, Injuries, a...

Background High-quality estimates of the epidemiology of the autism spectrum and the health needs of autistic people are necessary for service planners and resource allocators. Here we present the global prevalence and health burden of autism spectrum disorder from the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2021 following...

Summary Background Diarrhoeal diseases claim more than 1 million lives annually and are a leading cause of death in children younger than 5 years. Comprehensive global estimates of the diarrhoeal disease burden for specific age groups of children younger than 5 years are scarce, and the burden in children older than 5 years and in adults is also un...

Background Sierra Leone, like many other sub-Saharan African countries, grapples with the challenge of high adolescent fertility rates. This study examines the socio-economic and geographical inequalities in adolescent fertility rates in Sierra Leone between 2008 and 2019. Methods Three rounds of the Sierra Leone Demographic and Health Surveys (20...

Background The six global nutrition targets (GNTs) related to low birthweight, exclusive breastfeeding, child growth (ie, wasting, stunting, and overweight), and anaemia among females of reproductive age were chosen by the World Health Assembly in 2012 as key indicators of maternal and child health, but there has yet to be a comprehensive report o...

This commentary examines the influence of fathers in early childhood development in Africa and its implications for child and adolescent mental health. Historically overshadowed by maternal influence, research increasingly highlights the multifaceted impact of paternal involvement on children’s cognitive, emotional, social, and behavioural developm...

Background Bacillus Calmette-Guérin (BCG) vaccination is a cornerstone of childhood immunisation programs, protecting against tuberculosis (TB), a major public health concern. Sierra Leone, a West African nation, faces challenges in achieving equitable and high BCG immunisation coverage. This study delves into the trends and inequalities in BCG cov...

Background: Despite the importance of self-reporting health in sexually transmitted infections (STIs) control, studies on self-reported sexually transmitted infections (SR-STIs) are scanty, especially in sub-Saharan Africa (SSA). This study assessed the prevalence and factors associated with SR-STIs among sexually active men (SAM) in SSA.

Background As set out in Sustainable Development Goal 3.3, the target date for ending the HIV epidemic as a public health threat is 2030. Therefore, there is a crucial need to evaluate current epidemiological trends and monitor global progress towards HIV incidence and mortality reduction goals. In this analysis, we assess the current burden of HIV...

Background Sierra Leone has reduced neonatal mortality rates(NMR) in recent years. Despite this progress, disparities in newborn survival persist across socio-economic and geographic areas. This study examined the inequalities in neonatal mortality rates in Sierra Leone between 2008 and 2019. Methods We utilized data from the Sierra Leone Demograp...

Background Despite the known benefits of modern contraceptives in preventing unwanted pregnancies and reducing unsafe abortions, their use remains low among women of reproductive age in several sub-Saharan African countries, including Sierra Leone. This study investigated the inequalities in modern contraceptive use among women in Sierra Leone base...

Background: Prenatal care is a critical component of maternal and child health, providing essential preventive, diagnostic, and therapeutic services to pregnant women. Adequate antenatal care has been linked to reduced maternal and infant mortality and improved birth outcomes. Despite its importance, disparities in antenatal care coverage persist...

Background Early sexual debut among young women is associated with adverse sexual and reproductive health outcomes, including unintended pregnancies and sexually transmitted infections. Despite its negative impact, there is limited research on this issue in Sierra Leone. This study aims to address this gap by examining the prevalence of early sexua...

Background Contraceptive use is a cost-effective intervention for reducing unintended pregnancies and sexually transmitted infections and their negative consequences. It is vital to increase contraceptive use among women to improve their reproductive health outcomes. This study examines the factors associated with contraceptive use intention among...

Background Measles, a highly contagious and potentially fatal disease, remains a significant public health concern, particularly in low- and middle-income countries. Vaccination is the most effective way to prevent measles and achieving high immunization coverage is crucial for protecting children and communities. This study investigated the trends...

Background Sexually transmitted infections (STIs) are a significant public health concern worldwide. These infections can have severe consequences for women’s health, including pelvic inflammatory disease, infertility, and increased risk of HIV acquisition. Understanding the prevalence and factors associated with STIs among women in Sierra Leone is...

Background Intestinal worm infections are a significant public health concern for pregnant women in low- and middle-income countries. These infections can lead to anaemia, malnutrition, and adverse pregnancy outcomes, including premature birth and low birth weight. Deworming medication during pregnancy is a safe and effective strategy to prevent th...

Background Stillbirth is a devastating and often avoidable adverse pregnancy outcome. Monitoring stillbirth levels and trends—in a comprehensive manner that leaves no one uncounted—is imperative for continuing progress in pregnancy loss reduction. This analysis, completed as part of the Global Burden of Diseases, Injuries, and Risk Factors Study (G...

Background Early marriage, the formal or informal union before age 18, remains a critical challenge in several low-and middle-income countries. It has adverse health and education-related implications on child brides. This study examined the regional distribution of early marriage and its associated factors in Ghana. Methods We performed a cross-s...

Background: Antenatal care is vital for maternal health and wellbeing, with the World Health Organization recommending a minimum of eight visits during pregnancy. In this study, we examined the regional disparities and factors associated with eight or more antenatal care visits in Ghana. Methods: We performed a cross-sectional analysis of data fro...

Background Unmet need for birth spacing can significantly impact maternal and child health outcomes, leading to unintended or mistimed births, neonatal mortality, pregnancy loss, induced abortions, small-sized births, and malnutrition. Considering the role of women empowerment in women’s sexual and reproductive health, we examined the association b...

Background Sierra Leone faces a significant challenge in addressing HIV/AIDS, particularly among adolescent girls and young women. This age group is considered highly vulnerable due to biological factors and social inequalities. Understanding the prevalence of HIV testing in this demographic is crucial for designing effective prevention and treatme...

Objective To examine the wealth-related disparities in modern contraceptives use among women in Papua New Guinea. Design We performed a cross-sectional analysis of the 2016–2018 Papua New Guinea Demographic and Health Survey data. We included 11 618 women of reproductive age in our final analysis. Percentages were used to present the results on ut...

Background : Smoking is the leading behavioural risk factor for mortality globally, accounting for more than 175 million deaths and nearly 4·30 billion years of life lost (YLLs) from 1990 to 2021. The pace of decline in smoking prevalence has slowed in recent years for many countries, and although strategies have recently been proposed to achieve t...

Up-to-date estimates of stroke burden and attributable risks and their trends at global, regional, and national levels are essential for evidence-based health care, prevention, and resource allocation planning. We aimed to provide such estimates for the period 1990–2021. We estimated incidence, prevalence, death, and disability-adjusted life-year (...

Introduction Risky behaviours, including tobacco use, are highly prevalent among adolescents worldwide. Although these behaviours are largely influenced by various sociodemographic factors, including sex, there is a paucity of regionally representative literature on the sex-related inequalities in cigarette smoking among adolescents in Africa. This...

Introduction Between 2006 and 2017, antenatal care (ANC) coverage in Benin declined, potentially exacerbating inequalities and substantiating the need for health inequality monitoring. This study examines inequalities in ANC attendance in Benin, disaggregated by women’s age, educational level, economic status, place of residence, region of residenc...

An emerging hypothesis in the violence and aggression literature is that homestays caused by disasters and pandemics are associated with an upsurge in domestic violence (DV). This systematic review examined associations between COVID-19-related "homestay orders" and DV in Australia as two major cities (Melbourne and Sydney) in the country experienc...

Background Premarital sexual intercourse has essential implications for the sexual and reproductive health and rights of young women. These include increased sexual pleasure and satisfaction as well as exposure to the risks of unintended pregnancy and sexually transmitted infections, including HIV/AIDS. This study examined the trends, patterns, and...

Maternal health is a global public health concern. The paucity of antenatal care (ANC) during pregnancy is directly associated with maternal mortality. This study assessed the individual and community-level determinants of quality ANC in six South-Asian countries. Data were obtained from a Demographic health survey of six South-Asian countries. Thi...

BACKGROUND: Uncorrected refractive error (URE) is a readily treatable cause of visual impairment (VI). This study provides updated estimates of global and regional vision loss due to URE, presenting temporal change for VISION 2020 METHODS: Data from population-based eye disease surveys from 1980-2018 were collected. Hierarchical models estimated pr...

Background Appendicitis is a common surgical emergency that poses a large clinical and economic burden. Understanding the global burden of appendicitis is crucial for evaluating unmet needs and implementing and scaling up intervention services to reduce adverse health outcomes. This study aims to provide a comprehensive assessment of the global, re...

Background To estimate global and regional trends from 2000 to 2020 of the number of persons visually impaired by cataract and their proportion of the total number of vision-impaired individuals. Methods A systematic review and meta-analysis of published population studies and gray literature from 2000 to 2020 was carried out to estimate global a...

Background High completed fertility among married and cohabiting women has profound consequences, including straining resources, increasing healthcare challenges, and contributing to educational and gender inequalities. This study examined the factors associated with high completed fertility among married and cohabiting women aged 40–49 years in Gh...

Objectives To estimate global and regional trends from 2000 to 2020 of the number of persons visually impaired by diabetic retinopathy and their proportion of the total number of vision-impaired individuals. Methods Data from population-based studies on eye diseases between 1980 to 2018 were compiled. Meta-regression models were performed to estim...

As Ghana has embraced the concept of women’s empowerment as a vital tool for sustainable development, it has become crucial to evaluate the role that women’s empowerment plays in the fertility preferences of married and cohabiting women in the country. The study's objective was to examine the association between women's empowerment, the ideal numbe...

Background The empowerment of women has implications on the health and dietary needs of children. Using the survey-based women’s empowerment index (SWPER), we examined the association between women’s empowerment and dietary diversity among children aged 6–23 months in sub-Saharan Africa. Methods Data from the Demographic and Health Surveys of 21 c...

Background: The Australian population aged 70 and above is increasing and imposing new challenges for policy makers and providers to deliver accessible, appropriate and affordable health care. We examine pre-COVID patterns of health loss between 1990 and 2019 to inform policies and practices. Methods: Using the standardised methodology framework an...

Introduction Despite the advancement in sexual and reproductive healthcare services and several public health measures aimed at controlling fertility rates, countries in sub-Saharan Africa (SSA) still experience higher adolescent fertility rates than other low-and middle-income countries. This study examined the disparities in adolescent fertility...

Summary Background Future trends in disease burden and drivers of health are of great interest to policy makers and the public at large. This information can be used for policy and long-term health investment, planning, and prioritisation. We have expanded and improved upon previous forecasts produced as part of the Global Burden of Diseases, Injur...

Introduction Human immunodeficiency virus (HIV) remains a significant health challenge affecting many people including those from sub-Saharan Africa (SSA). Even though HIV can be transmitted through various means, mother-to-child transmission (MTCT) remains the major route of transmission in children under the age of five. This study examined the c...

Background Accurate assessments of current and future fertility-including overall trends and changing population age structures across countries and regions-are essential to help plan for the profound social, economic, environmental, and geopolitical challenges that these changes will bring. Estimates and projections of fertility are necessary to i...

This appendix provides detailed information on the methods for the paper “Global fertility in 204 countries and territories, 1950–2021 with forecasts to 2100: a comprehensive demographic analysis for the Global Burden of Disease Study 2021”

Background Understanding the health consequences associated with exposure to risk factors is necessary to inform public health policy and practice. To systematically quantify the contributions of risk factor exposures to specific health outcomes, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2021 aims to provide comprehensiv...

Summary Background Future trends in disease burden and drivers of health are of great interest to policy makers and the public at large. This information can be used for policy and long-term health investment, planning, and prioritisation. We have expanded and improved upon previous forecasts produced as part of the Global Burden of Diseases, Injur...

Background The practice of female genital mutilation is associated with harmful social norms promoting violence against girls and women. Various studies have been conducted to examine the prevalence of female genital mutilation and its associated factors. However, there has been limited studies conducted to assess the association between female gen...

Background Breast cancer is currently the most commonly diagnosed cancer in Ghana and the leading cause of cancer mortality among women. Few published empirical evidence exist on cultural beliefs and perceptions about breast cancer diagnosis and treatment in Ghana. This systematic review sought to map evidence on the socio-cultural beliefs and perc...

Background and Aim The positioning of eliminating all forms of malnutrition within the spirit of the Sustainable Development Goals and the adoption of the United Nations resolution for a Decade of Action on Nutrition are a testament to strong global commitment to combat the double burden of malnutrition (DBM). Yet, there is a knowledge gap in sub‐S...

Background Intimate partner violence (IPV) is high among women of reproductive age in sub-Saharan Africa (SSA). However, empowering women enables them to confront and mitigate IPV. In this study, we examined the association between the survey-based women's empowerment index (SWPER) and IPV in SSA. Methods We used data from the Demographic and Heal...

Background and Aims The use of contraceptives has been considered relevant in reducing unintended pregnancies in sub‐Saharan Africa (SSA). However, despite evidence of knowledge of contraceptives, their use remains low in SSA. This study examined the association between knowledge of contraceptive methods and the use of contraceptives in SSA. Metho...

Background Intimate partner violence (IPV) has increasingly received attention in the last three decades. However, IPV-related studies in both high- and low- and middle-income countries adopted a victim-oriented perspective in which men are perpetrators and women, the victims. Using socio-cultural and resource theories as guiding frameworks, this p...

Background HIV/AIDS is a global health challenge and continues to threaten lives in sub-Saharan African countries such as Ghana. One of the important interventions for controlling its transmission is through testing and receiving medication. In this study, we present findings on the prevalence and factors associated with HIV testing among young wom...

Background Suicide represents a major public health concern, affecting a significant portion of individuals. However, there remains a gap in understanding the age and sex disparities in the occurrence of suicide. Therefore, this study aimed to investigate the sex-related inequalities in suicide rates in Ghana from 2000 to 2019. Methods We utilized...

Background Improving women’s access to and use of modern contraceptives is a key global strategy for improving the sexual and reproductive health of women. However, the use of modern contraceptives among adolescent girls and young women in sub-Saharan Africa (SSA) remains relatively low, despite the numerous interventions to increase patronage. Thi...

Background Overweight/obesity remains a major risk factor for non-communicable diseases and their associated morbidities and mortalities. Yet, limited studies have comprehensively examined factors contributing to the rural–urban disparities in overweight/obesity among women in sub-Saharan Africa. Thus, our study sought to decompose the rural–urban...

Objective To examine the prevalence of alcohol use and its associated factors among in-school adolescents in Sierra Leone. Design Data for the study was sourced from the 2017 Sierra Leone Global School-Based Student Health Survey, a nationally representative survey conducted among in-school adolescents aged 10–19 years using a multistage sampling...