Oliver Ezechi

ORCID: 0000-0003-0688-3898
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About
Contact & Profiles
Research Areas
  • HIV/AIDS Research and Interventions
  • Adolescent Sexual and Reproductive Health
  • HIV, Drug Use, Sexual Risk
  • Global Maternal and Child Health
  • Hepatitis B Virus Studies
  • HIV/AIDS Impact and Responses
  • Cervical Cancer and HPV Research
  • COVID-19 and Mental Health
  • SARS-CoV-2 and COVID-19 Research
  • HIV Research and Treatment
  • COVID-19 Clinical Research Studies
  • COVID-19 epidemiological studies
  • Viral Infections and Outbreaks Research
  • Mobile Health and mHealth Applications
  • Health Policy Implementation Science
  • HIV-related health complications and treatments
  • HIV/AIDS drug development and treatment
  • Vaccine Coverage and Hesitancy
  • Hepatitis C virus research
  • Reproductive tract infections research
  • COVID-19 diagnosis using AI
  • Global Cancer Incidence and Screening
  • Genital Health and Disease
  • COVID-19 Pandemic Impacts
  • Pneumocystis jirovecii pneumonia detection and treatment

Obafemi Awolowo University
1998-2025

Nigerian Institute of Medical Research
2016-2025

Lead City University
2022-2025

Saint Louis University
2020-2024

Programme PAC-CI
2024

Université Félix Houphouët-Boigny
2024

Université de Bordeaux
2024

Washington University in St. Louis
2024

Washington State University
2024

Adekunle Ajasin University
2024

The proven benefit of integrating cervical cancer screening programme into HIV care has led to its adoption as a standard care. However this is not operational in most clinics Nigeria. Of the various reasons given for non-implementation, none backed by scientific evidence. This study was conducted assess willingness and acceptability among positive Nigerian women.A cross sectional women attending large treatment centre Lagos, Respondents were identified using stratified sampling method. A...

10.1186/1471-2458-13-46 article EN cc-by BMC Public Health 2013-01-17

Background . The need for a high level of adherence to antiretroviral drugs has remained major hurdle achieving maximal benefit from its use in pregnancy. This study was designed determine the and identify factors that influence during Method is cross-sectional utilizing semistructured questionnaire. Bivariate multiple logistic regression models were used independently associated with good drug Result 137 (80.6%) interviewed 170 women achieved ≥95% using 3 day recall. desire protect unborn...

10.1155/2012/851810 article EN cc-by Journal of Pregnancy 2012-01-01

Abstract Background HIV self-testing (HIVST) provides young people with a convenient, discreet, and empowering way to know their status. However, there is limited knowledge of people’s preferences for HIVST services potential factors that may influence the uptake among this population. The purpose research was use qualitative methods examine Nigerian youth. Methods Semi-structured in-depth interviews purposive sample 14–24 years old were conducted in Lagos, Nigeria. Data analyzed...

10.1186/s12889-020-10072-1 article EN cc-by BMC Public Health 2021-01-07

Background The education sector experienced substantial impacts during the COVID-19 pandemic resulting from worldwide restrictions. Purpose To examine differences in sleep patterns, sexual activity, screen use, and food intake of students non-students pandemic. Methods This was a global cross-sectional study conducted second half 2020 using multiple social media platforms to recruit participants globally. A close-ended questionnaire administered anonymously English, French, Spanish,...

10.1371/journal.pone.0262617 article EN cc-by PLoS ONE 2022-01-28

COVID-19 affected mental health and wellbeing. Research is needed to assess its impact using validated tools. The study assessed the content validity, reliability dimensionality of a multidimensional tool for assessing wellbeing adults.An online questionnaire collected data in second half 2020 from adults different countries. included nine sections assessing: experience sociodemographic profile; memory; pandemic stress (pandemic index, PSI); financial lifestyle impact; social support;...

10.1186/s12889-022-13825-2 article EN cc-by BMC Public Health 2022-08-08

Obstructed labour is a common obstetric complication in Nigeria associated with poor fetal and maternal outcome. Delivery of the fetus at caesarean section always difficult, especially if head impacted pelvis. The mode delivery may occasionally compound morbidity obstructed labour. purpose this study was to examine compare mortality two methods for (the push method pull (reverse breech) method). This prospective cases admitted into ward Obafemi Awolowo University Teaching Hospitals Complex,...

10.1080/01443610220141290 article EN Journal of Obstetrics and Gynaecology 2002-01-01

The expected reduction in cervical cancer incidence as a result of increased access to antiretroviral therapy is yet be seen. In this study we investigated the effect HIV infection and treatment on high-risk (hr) human papilloma virus (HPV) prevalence distribution. Cervical cells from 515 (220 positive 295 negative) women, recruited during community screening programme states Ogun Lagos at screen clinic, Nigerian Institute Medical Research were evaluated for presence 13 hr HPV genotypes by...

10.1186/1743-422x-11-5 article EN cc-by Virology Journal 2014-01-15

The true burden of child sexual abuse in Nigeria is not known as most reports are institutional based. This study was designed to determine population level data on the and pattern among adolescents South Western Nigeria.A community based SouthWestern Nigeria. Semi- structured interviewer administered questionnaire used collect from respondents selected through a multistage sampling technique. Analysis with SPSS version 20.398 (314 females 84 males) aged 10-19 years mean age 15.6 ± 2.0...

10.4314/ahs.v18i2.2 article EN African Health Sciences 2018-06-22

Introduction Crowdsourcing, a participatory approach to solicit ideas from large group of diverse individuals, provides an opportunity nurture youth participation in HIV self-testing service design. The objective this study was describe the responses crowdsourcing contest aimed at soliciting on how promote (HIVST) among young people Nigeria. Methods "4 Youth by Youth" Self-Testing Crowdsourcing online and off-line that asked Nigerian (10–24 years old) for response following: How might we...

10.1371/journal.pone.0233698 article EN cc-by PLoS ONE 2020-05-29

The aim of the study was to assess if there were significant differences in adoption COVID-19 risk preventive behaviors and experience food insecurity by people living with without HIV Nigeria. This a cross-sectional that recruited convenience sample 4471 (20.5% positive) adults Binary logistic regression analysis conducted test associations between explanatory variable (HIV positive non-positive status) outcome variables—COVID-19 related behavior changes (physical distancing,...

10.1007/s10461-021-03433-3 article EN other-oa AIDS and Behavior 2021-08-13

An online survey was conducted to identify factors associated with financial insecurity, food insecurity and poor quality of daily lives adults in Nigeria during the first wave COVID-19 pandemic. The associations between outcome (experience loss, changes intake impact pandemic on lives) explanatory (age, sex, education level, anxiety, depression, HIV status) variables were determined using logistic regression analysis. Of 4439 respondents, 2487 (56.0%) financially insecure, 907 (20.4%)...

10.3390/ijerph18157925 article EN International Journal of Environmental Research and Public Health 2021-07-27

Real-world data on vaccine-elicited neutralising antibody responses for two-dose AZD1222 in African populations are limited. We assessed baseline SARS-CoV-2 seroprevalence and levels of protective neutralizing antibodies prior to vaccination rollout using binding analysis coupled with pseudotyped virus neutralisation assays two cohorts from West Africa: Nigerian healthcare workers (n = 140) a Ghanaian community cohort 527) pre post vaccination. found 44 28% pre-vaccination participants...

10.1038/s41467-022-33792-x article EN cc-by Nature Communications 2022-10-17

Abstract Background Health behaviours are influenced by individual characteristics including age, gender, education and economic level. This study aimed to assess the associations between individual-level determinants adherence COVID-19 preventive measures. Methods We performed secondary analyses of international data collected using an online survey during first wave pandemic June December 2020. The dependent variables were self-reported measures (wearing face masks, frequent...

10.1186/s12889-023-16279-2 article EN cc-by BMC Public Health 2023-07-24

Research has begun to examine human immunodeficiency virus (HIV) prevention strategies within the Ghanaian context. Still, little is known about specific populations such as gay, bisexual, and other cisgender men who have sex with (GBMSM) living in slum communities. We studied HIV condoms preexposure prophylaxis (PrEP) communities awareness willingness use these choices among GBMSM. This qualitative study examines strategies, specifically examining PrEP condom behaviors GBMSM Ghana.

10.1177/23259582231209649 article EN cc-by-nc Journal of the International Association of Providers of AIDS Care (JIAPAC) 2023-01-01

Despite significant progress in Ghana’s HIV response, disparities prevalence persist among different populations. Gays, bisexuals, and other men who have sex with (GBMSM) the country remain vulnerable to infection due high levels of stigma discrimination, limited access healthcare services, low knowledge levels. While studies focus on prevention care Ghanaian GBMSM context, we did not find slums. We, therefore, explored motivations testing In collaboration our community partners, recruited...

10.1371/journal.pone.0289905 article EN cc-by PLoS ONE 2024-06-05

Five hundred and twenty-two pregnant Nigerians attending the antenatal clinic in two private hospitals Lagos between January June 2003 were interviewed using a structured questionnaire about their experiences of domestic violence. One four women declined to participate; response rate 80.1% was obtained. Analysis completed by 418 respondents showed that 197 (47.1%) reported history abuse. Of who abuse, 23 (11.7%) experienced abuse for first time during current pregnancy, 97 (49.2%) prior...

10.1080/01443610400007901 article EN Journal of Obstetrics and Gynaecology 2004-01-01

Post caesarean wound infection is not only a leading cause of prolonged hospital stay but major the widespread aversion to delivery in developing countries. In order control and prevent post our environment there need access relative contribution each aetiologic factor. Though some studies have identified factors associated with infection, none was specifically designed address these issues prospectively or assess risk factors. Prospective multicentre study over period 56 months Lagos...

10.1186/1756-0500-2-186 article EN cc-by BMC Research Notes 2009-01-01

Perinatal and horizontal transmission of Hepatitis B occur in areas high endemicity as most infections are acquired the first 5 years life. Unless C infected pregnant women identified, appropriate treatment provided, children born to these at risk chronic (and C) virus infection. The objecive this study was determined prevalence factors associated with Virus infection HIV positive Nigerians.A cross sectional among Positive seen a large PMTCT clinic Lagos Nigeria. were screened for...

10.11604/pamj.2014.17.197.2310 article EN cc-by Pan African Medical Journal 2014-01-01

Abstract Background Despite high HIV incidence rates among young people in Nigeria, less than 24% of this population have ever tested for HIV. These low testing suggest that current services may not align with their preferences. To address gap, the objective study was to assess preferences options Nigeria. Methods We conducted a cross-sectional using survey 113 youth aged 14–24 years residing The included series hypothetical options, comprised six characteristics centered around service...

10.1186/s12913-019-4847-x article EN cc-by BMC Health Services Research 2019-12-01

Objectives A study designed to assess the public perception of response government and its institutions COVID-19 pandemic in Nigeria. Setting Self-selecting participants throughout Nigeria completed a self-administered questionnaire through an online cross-sectional survey. Participants 495. Results The majority respondents were married (76.6%), males (61.8%), had tertiary level education (91.0%), servants (36.8%), Christians (82.6%), resident either Federal Capital Territory (Abuja) (49.1%)...

10.1136/bmjopen-2020-041936 article EN cc-by-nc-nd BMJ Open 2020-10-01
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