Sylvester R. Okeke

UNSW Sydney | UNSW · Centre for Social Research in Health

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 Over the past several decades, the overweight and obesity epidemic in the USA has resulted in a significant health and economic burden. Understanding current trends and future trajectories at both national and state levels is crucial for assessing the success of existing interventions and informing future health policy changes. We esti...

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...

Introduction Hepatitis B is a significant public health concern and a leading cause of liver cancer across the world. In Australia, hepatitis B is largely endemic in migrant communities, particularly amongst the Chinese and Vietnamese communities. Negative attitudes towards hepatitis B can be a major barrier to hepatitis B testing and linkage to ca...

Supplement to: GBD 2021 Tobacco Forecasting Collaborators. Forecasting the effects of smoking prevalence scenarios on years of life lost and life expectancy from 2022 to 2050: a systematic analysis for the Global Burden of Disease Study 2021.Lancet Public Health 2024; 9: e729–44. Appendix 3: Authorship appendix to “Forecasting the effects of smokin...

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 (...

Background: 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. Methods: We estimated incidence, prevalence, death, and disabilit...

Background Antimicrobial resistance (AMR) poses an important global health challenge in the 21st century. A previous study has quantified the global and regional burden of AMR for 2019, followed with additional publications that provided more detailed estimates for several WHO regions by country. To date, there have been no studies that produce com...

Background Though women in sub-Saharan Africa have increased risk of intimate sexual violence, research on the association between sexual autonomy and intimate partner violence among this population has not received the requisite attention. Consequently, we investigated if sexual autonomy is a protective factor against intimate partner violence amo...

Background Adolescence is a pivotal stage in human development that presents unique challenges, especially for girls navigating the complexities of menstruation. Despite the importance of menstrual hygiene management for adolescent girls’ well-being, this vital aspect of personal health is often overlooked, particularly in regions where cultural st...

Socio-cultural and behavioural factors are often not adequately considered in designing health promotion programs for culturally and linguistically diverse communities in Australia. Given that people of Vietnamese background are disproportionately impacted by hepatitis B, the aim of this research was to better understand these factors to inform hep...

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...

Background Detailed, comprehensive, and timely reporting on population health by underlying causes of disability and premature death is crucial to understanding and responding to complex patterns of disease and injury burden over time and across age groups, sexes, and locations. The availability of disease burden estimates can promote evidence-base...

Background Regular, detailed reporting on population health by underlying cause of death is fundamental for public health decision making. Cause-specific estimates of mortality and the subsequent effects on life expectancy worldwide are valuable metrics to gauge progress in reducing mortality rates. These estimates are particularly important follow...

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...

Background Disorders affecting the nervous system are diverse and include neurodevelopmental disorders, late-life neurodegeneration, and newly emergent conditions, such as cognitive impairment following COVID-19. Previous publications from the Global Burden of Disease, Injuries, and Risk Factor Study estimated the burden of 15 neurological conditio...

Background Estimates of demographic metrics are crucial to assess levels and trends of population health outcomes. The profound impact of the COVID-19 pandemic on populations worldwide has underscored the need for timely estimates to understand this unprecedented event within the context of long-term population health trends. The Global Burden of D...

Background Iron deficiency is a major public health problem that affects the physical and cognitive development of children under 5 years of age (under-5 children) in sub-Saharan Africa (SSA). However, the factors associated with the limited consumption of iron-rich foods in the region are poorly understood. Objective This study examined the preva...

Introduction Hepatitis B is a significant public health concern and a leading cause of liver cancer across the world. In Australia, hepatitis B is largely endemic in migrant communities, particularly amongst the Chinese and Vietnamese communities. Negative attitudes towards hepatitis B can be a major barrier to hepatitis B testing and linkage to ca...

https://pubmed.ncbi.nlm.nih.gov/38092509/#full-view-affiliation-41

The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) is a multinational collaborative research study with >10,000 collaborators around the world. GBD generates a time series of summary measures of health, including prevalence, cause-specific mortality (CSMR), years of life lost (YLLs), years lived with disability (YLDs), and disabi...

Introduction The Free Maternal Care Policy (FMCP) was introduced in Ghana around 2008 as part of the government’s efforts to improve maternal and child health outcomes in the country. The policy was aimed at increasing access to antenatal care (ANC) services and reducing financial barriers to antenatal healthcare utilisation. Despite the expected s...

Background Minority ethnic groups are a fast-growing population in many high-income countries, partly due to the increasing population of immigrants and second-generation migrants. The dietary practices of some of these minority ethnic groups might make them to be disproportionately affected by obesity and increase their risks of developing non-com...

Access and utilisation of sexual and reproductive health services remain an important component in averting adverse sexual and reproductive health outcomes. However, the unprecedented emergence of the 2019 coronavirus disease (COVID-19) left most of these services disrupted in Africa. Thus, this protocol study seeks to conduct a systematic review a...

Background Emerging evidence in both developed and developing countries indicate that occupational health hazards and diseases among construction workers constitute a significant public health challenge. While occupational health hazards and conditions in the construction sector are diverse, a burgeoning body of knowledge is emerging about respirat...

Background Long-acting reversible contraceptives (LARCs), including hormonal implants and intrauterine devices, are highly effective pregnancy prevention methods. Aside its advantages over other hormonal methods, LARCs are cost-effective, easy to maintain, and have a low risk of non-compliance-related method failure. Besides, LARCs are also relativ...

Abstract Background Communities with diverse ethnicity in high-income countries are disproportionately affected by poor diet-related health outcomes. In England, the United Kingdom’s government’s healthy eating dietary resources are not well accepted and are underutilised among this population. Thus, this study explored perceptions, beliefs, knowle...

Background: Sub-Saharan Africa, characterised by high fertility and low contraceptive use prevalence, remains one of the settings with the poorest maternal and child health indices globally. Studies have established that grand-multiparous women are at increased risk of these adverse maternal health outcomes, and contraceptive use is important to a...

Background: A number of previous sex-related studies among international students in Australia and other Western societies may be limited by conflating students from conservative and non-conservative sexual backgrounds. Such conflation leads to situations where nuances and complexities around sex-related experiences are lost or, at most, tangentia...

The COVID-19 pandemic has aggravated pre-existing challenges associated with adolescents' sexual and reproductive health and rights (SRHR). Evolving evidence suggest that it could adversely impact the progress made towards improving sexual and reproductive health outcomes among young people. The pandemic has stalled achievements in reducing adolesc...

Background As vaccine roll-out continues across the globe as part of the efforts to protect humanity against SARS-CoV-2, concerns are increasingly shifting to the duration of vaccine-induced immunity. Responses to these concerns are critical in determining if, when, and who will need booster doses following full vaccination against SARS-CoV-2. Howe...

Background: Little is known about factors associated with protective sexual practices among international students in Australia. This study used quantitative data to examine BBVs/STIs protective practices among East Asian and sub-Saharan African international students in Sydney. In addition, qualitative data was used to further explore how a sample...

Abstract: Background: While a large body of evidence indicates changes in alcohol and other drug use among young people as a result of the COVID-19 pandemic, there is a lack of evidence around changes in sexual practices and how the pandemic may be impacting the potential spread of blood- borne viruses and sexually transmissible infections (BBVs/ST...

Background While a large body of evidence indicates increased alcohol and other drug use among young people as a way of mitigating the psychological distress associated with the COVID-19 pandemic, evidence around the use of sex fir such mitigation is scarce. Most of what we know about sex during COVID-19 lockdowns is largely based on solitary sexua...

Background While a large body of evidence indicates changes in alcohol and other drug use among young people as a result of the COVID-19 pandemic, there is a lack of evidence around changes in sexual practices and how it may be impacting the potential spread of BBVs/STIs. Most of what we know about sex during COVID-19 lockdowns is largely based on...

Background Incidence and prevalence of blood-borne viruses and sexually transmissible infections among young people continue to necessitate population-based studies to understand how contextualised sexual health services can be developed and implemented to promote protective behaviours such as consistent condom use. This study examined condomless s...

Background: The 'Down to Test (DTT)' campaign is a sexually transmissible infection (STI) social marketing intervention delivered through outdoor music festival activations and supported by digital media communications in New South Wales, Australia. This paper investigates whether and how the tailored messages reached the intended audience. Metho...

Background Incidence and prevalence of blood-borne viruses and sexually transmissible infections among young people continue to necessitate population-based studies to understand how contextualised sexual health services can be developed and implemented to promote protective behaviours such as consistent condom use. This study examined condomless s...

Introduction Sexual norms, real or perceived, shape young people’s sexual behaviour and may constitute one of the greatest challenges in HIV/STIs prevention among this population. This study used sexual script theory to explore how international students in Sydney, Australia – from traditional cultures of East Asian and sub-Saharan African countrie...

Background: Many studies have focused on risky sexual behaviour among adolescents and young adults; however, literature on protective sexual practices among this age cohort is still evolving. Since young adults are disproportionately burdened by sexually transmissible infections, including HIV, understanding factors that influence protective sexua...

The high level of sexual risk behaviour among young adults and adolescents in institutions of higher learning is of concern to stakeholders in education and health sectors. Finding out peculiar predictors of risky sexual behaviour among adolescent groups is therefore an urgent and important issue for research. This study examined the predictive eff...

Skill-based Health Education is an approach to Health Education that is effective, interactive, engaging and meaningful. It focuses on skills and functional knowledge of health issues within a society. The importance of Health Education cannot be overemphasized as it plays significant role in preventing disease, prolonging life and protecting healt...

Adolescence is a stage in life that is considered very turbulent as the psychological and physiological changes that accompany this period predispose young people to risky sexual behaviour. Therefore, finding out factors that predict sexual behaviour among this group is an important issue for research. It is against this backdrop that this study wa...

Health care seeking behaviour is central to the health status of individuals and groups in any society. All nations of the world rely on its human capital to drive national developmental effort. Societal growth and development cannot be guaranteed if the human resources needed to drive developmental effort are not operating at their zest. Seeking h...

Various researches have indicated that risky sexual practices among in-school adolescents; especially among tertiary institution students are relatively high. The painful side of the story is that little or no precaution is taken to ensure prevention of infections that are aftermaths of this practice. This study is centered on assessing preference...