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List of works by Obinna Onwujekwe

A qualitative study on health workers' and community members' perceived sources, role of information and communication on malaria treatment, prevention and control in southeast Nigeria

scientific article published on 22 October 2015

Altruistic willingness to pay in community-based sales of insecticide-treated nets exists in Nigeria

scientific article published in February 2002

Analysing key influences over actors' use of evidence in developing policies and strategies in Nigeria: a retrospective study of the Integrated Maternal Newborn and Child Health strategy ⬇️

scientific article

Analysis of cost burden of obstetric care among human immune-deficiency virus (HIV) positive women in Enugu metropolis, South-East Nigeria

scientific article published on 19 August 2020

Are malaria treatment expenditures catastrophic to different socio-economic and geographic groups and how do they cope with payment? A study in southeast Nigeria

scientific article

Are modern contraceptives acceptable to people and where do they source them from across Nigeria?

scientific article

Are the poor differentially benefiting from provision of priority public health services? A benefit incidence analysis in Nigeria

scientific article

Are there geographic and socio-economic differences in incidence, burden and prevention of malaria? A study in southeast Nigeria

scientific article

Asking people directly about preferred health-seeking behaviour yields invalid response: an experiment in south-east Nigeria

scientific article

Authors' Response to: Alternatives to principal components analysis to derive asset-based indices to measure socio-economic position in low- and middle-income countries: the case for multiple correspondence analysis

Caregivers' willingness-to-pay for a topical anesthetic cream for minor medical procedures in children

scientific article published in July 2014

Community financing of local ivermectin distribution in Nigeria: potential payment and cost-recovery outlook

scientific article published in April 2000

Community-directed treatment with ivermectin in two Nigerian communities: an analysis of first year start-up processes, costs and consequences

scientific article published in October 2002

Constraints to universal coverage: inequities in health service use and expenditures for different health conditions and providers

scientific article published on 13 November 2011

Construct validity of the bidding game, binary with follow-up, and a novel structured haggling question format in determining willingness to pay for insecticide-treated mosquito nets

scientific article published in January 2008

Consumers stated and revealed preferences for community health workers and other strategies for the provision of timely and appropriate treatment of malaria in southeast Nigeria

scientific article

Cost-effectiveness analysis of rapid diagnostic test, microscopy and syndromic approach in the diagnosis of malaria in Nigeria: implications for scaling-up deployment of ACT.

scientific article

Cost-effectiveness analysis of three leprosy case detection methods in Northern Nigeria

scientific article

Criterion and content validity of a novel structured haggling contingent valuation question format versus the bidding game and binary with follow-up format

scientific article published in February 2004

Determining the disability adjusted life years lost to childhood and adolescence epilepsy in southeast Nigeria: An exploratory study

scientific article published on 25 May 2016

Development of oral health policy in Nigeria: an analysis of the role of context, actors and policy process ⬇️

scientific article published on 6 May 2015

Did an Intervention Programme Aimed at Strengthening the Maternal and Child Health Services in Nigeria Improve the Completeness of Routine Health Data Within the Health Management Information System?

scientific article published on 05 December 2020

Differences in willingness to pay for artemisinin-based combinations or monotherapy: experiences from the United Republic of Tanzania

scientific article

Do consumers' preferences for improved provision of malaria treatment services differ by their socio-economic status and geographic location? A study in southeast Nigeria

scientific article

Do divergences between stated and actual willingness to pay signify the existence of bias in contingent valuation surveys?

scientific article published in February 2005

Do malaria preventive interventions reach the poor? Socioeconomic inequities in expenditure on and use of mosquito control tools in Sudan

scientific article

Do poor people use poor quality providers? Evidence from the treatment of presumptive malaria in Nigeria

scientific article published on 27 June 2011

Economic burden of heart failure: investigating outpatient and inpatient costs in Abeokuta, Southwest Nigeria

scientific article

Economic burden of malaria illness on households versus that of all other illness episodes: a study in five malaria holo-endemic Nigerian communities

scientific article published in November 2000

Economic cost of treatment of childhood epilepsy in Enugu, southeast Nigeria

scientific article published in October 2014

Economic evaluation of a cluster randomized trial of interventions to improve health workers' practice in diagnosing and treating uncomplicated malaria in Cameroon

scientific article published on 7 October 2014

Effectiveness of Provider and Community Interventions to Improve Treatment of Uncomplicated Malaria in Nigeria: A Cluster Randomized Controlled Trial ⬇️

scientific article published on 26 August 2015

Examining appropriate diagnosis and treatment of malaria: availability and use of rapid diagnostic tests and artemisinin-based combination therapy in public and private health facilities in south east Nigeria

scientific article

Examining catastrophic costs and benefit incidence of subsidized antiretroviral treatment (ART) programme in south-east Nigeria

scientific article published on 25 November 2008

Examining catastrophic health expenditures at variable thresholds using household consumption expenditure diaries

scientific article published on 14 July 2011

Examining equity in access to long-lasting insecticide nets and artemisinin-based combination therapy in Anambra State, Nigeria

scientific article

Examining geographic and socio-economic differences in outpatient and inpatient consumer expenditures for treating HIV/AIDS in Nigeria

scientific article published on February 2016

Examining inequities in incidence of catastrophic health expenditures on different healthcare services and health facilities in Nigeria

scientific article

Exemption policies and community preferences for tropical endemic diseases in the Bamako initiative programme in Nigeria

scientific article published on July 2006

Exploring health providers' and community perceptions and experiences with malaria tests in South-East Nigeria: a critical step towards appropriate treatment.

scientific article

Exploring the threshold premium for viable community based health insurance schemes in Nigeria

scientific article

Feasibility of a community health worker strategy for providing near and appropriate treatment of malaria in southeast Nigeria: an analysis of activities, costs and outcomes

scientific article

Financing incidence analysis of household out-of-pocket spending for healthcare: getting more health for money in Nigeria?

scientific article published on 7 February 2013

Genetic determinants of drug-resistant tuberculosis among HIV-infected patients in Nigeria

scientific article

Geographic inequities in provision and utilization of malaria treatment services in southeast Nigeria: diagnosis, providers and drugs

scientific article

Global injury morbidity and mortality from 1990 to 2017: results from the Global Burden of Disease Study 2017

scientific article published on 24 April 2020

Health care financing in Nigeria: Implications for achieving universal health coverage.

scientific article published on July 2015

Health education to school children in Okpatu, Nigeria: impact on onchocerciasis-related knowledge

scientific article published in September 1999

Health policy and systems research and analysis in Nigeria: examining health policymakers' and researchers' capacity assets, needs and perspectives in south-east Nigeria

scientific article published on 24 February 2016

Health services utilization and costs of the insured and uninsured under the formal sector social health insurance scheme in Enugu metropolis South East Nigeria

scientific article

Healthcare reform involving the introduction of user fees and drug revolving funds: influence on health workers' behavior in southeast Nigeria

scientific article published in December 2005

How do health workers and community members perceive and practice community participation in the Bamako Initiative programme in Nigeria? A case study of Oji River local government area

scientific article published in July 2004

How do health workers perceive and practice monitoring and evaluation of malaria control interventions in South-east Nigeria?

scientific article

Implementation of free maternal and child healthcare policies: assessment of influence of context and institutional capacity of health facilities in South-east Nigeria

article

Improving equity in malaria treatment: relationship of socio-economic status with health seeking as well as with perceptions of ease of using the services of different providers for the treatment of malaria in Nigeria

scientific article

Improving quality of malaria treatment services: assessing inequities in consumers' perceptions and providers' behaviour in Nigeria

scientific article

Improving rational treatment of malaria: perceptions and influence of RDTs on prescribing behaviour of health workers in southeast Nigeria

scientific article

Incidence of and socio-biologic risk factors for spontaneous preterm birth in HIV positive Nigerian women.

scientific article

Increasing access to modern contraceptives: the potential role of community solidarity through altruistic contributions

scientific article published on 6 July 2012

Increasing coverage of insecticide-treated nets in rural Nigeria: implications of consumer knowledge, preferences and expenditures for malaria prevention

scientific article

Inequalities in purchase of mosquito nets and willingness to pay for insecticide-treated nets in Nigeria: challenges for malaria control interventions

scientific article

Inequities in healthcare seeking in the treatment of communicable endemic diseases in Southeast Nigeria

scientific article published on 25 January 2005

Inequities in incidence, morbidity and expenditures on prevention and treatment of malaria in southeast Nigeria

scientific article

Inequity in the Bamako Initiative programme--implications for the treatment of malaria in south-east Nigeria

scientific article published in October 2004

Influence of education and knowledge on perceptions and practices to control malaria in Southeast Nigeria

scientific article published on 30 January 2006

Informal payments for healthcare: differences in expenditures from consumers and providers perspectives for treatment of malaria in Nigeria

scientific article

Integrated management of childhood illness in Nigeria: does short-term training of health workers improve their performance?

scientific article published on 25 October 2007

Integrated prevention of mother-to-child HIV transmission services, antiretroviral therapy initiation, and maternal and infant retention in care in rural north-central Nigeria: a cluster-randomised controlled trial

scientific article published on 24 February 2016

Inter-rater and test-retest reliability of three contingent valuation question formats in south-east Nigeria

scientific article published in May 2005

Investigating client perception and attitude to decentralization of HIV/AIDS treatment services to primary health centres in three Nigerian states

scientific article published on 28 August 2015

Investigating determinants of out-of-pocket spending and strategies for coping with payments for healthcare in southeast Nigeria

scientific article

Investigating male tobacco use and expenditure patterns across socio-economic groups in Nigeria

scientific article

Investigating payment coping mechanisms used for the treatment of uncomplicated malaria to different socio-economic groups in Nigeria

scientific article

Investigating starting-point bias: a survey of willingness to pay for insecticide-treated nets

scientific article published on December 2002

Is combination therapy for malaria based on user-fees worthwhile and equitable to consumers? Assessment of costs and willingness to pay in Southeast Nigeria

scientific article

Is community-based health insurance an equitable strategy for paying for healthcare? Experiences from southeast Nigeria

scientific article published on 05 April 2009

Issues in equitable health financing in South Eastern Nigeria: Socio-economic and geographic differences in households' illness expenditures and policy makers' views on the financial protection of the poor

scientific article published in March 2009

Issues of measuring and improving the treatment of malaria in sub-Saharan Africa

scientific article

Low coverage of intermittent preventive treatment for malaria in pregnancy in Nigeria: demand-side influences

scientific article

Malaria treatment perceptions, practices and influences on provider behaviour: comparing hospitals and non-hospitals in south-east Nigeria

scientific article published on 28 October 2009

Mapping 123 million neonatal, infant and child deaths between 2000 and 2017

scientific article published on 16 October 2019

Measuring socio-economic position for epidemiological studies in low- and middle-income countries: a methods of measurement in epidemiology paper

scientific article published on 21 March 2012

Mind the gap: knowledge and practice of providers treating uncomplicated malaria at public and mission health facilities, pharmacies and drug stores in Cameroon and Nigeria

scientific article published on 21 October 2014

Onchocerciasis control in Nigeria: will households be able to afford community-directed treatment with ivermectin?

scientific article

Optimizing PMTCT service delivery in rural North-Central Nigeria: protocol and design for a cluster randomized study

scientific article published on 29 June 2013

Patent medicine dealers and irrational use of medicines in children: the economic cost and implications for reducing childhood mortality in southeast Nigeria

scientific article (publication date: 2014)

Patterns of case management and chemoprevention for malaria-in-pregnancy by public and private sector health providers in Enugu state, Nigeria

scientific article

Persistent barriers to care; a qualitative study to understand women's experiences in areas served by the midwives service scheme in Nigeria

scientific article

Political economy of decentralising HIV and AIDS treatment services to primary healthcare facilities in three Nigerian states

scientific article published on September 2016

Predicting the environmental suitability for onchocerciasis in Africa as an aid to elimination planning

scientific article published on 28 July 2021

Preferences for benefit packages for community-based health insurance: an exploratory study in Nigeria

scientific article

Promoting universal financial protection: constraints and enabling factors in scaling-up coverage with social health insurance in Nigeria

scientific article published on 13 June 2013

Quality of anti-malarial drugs provided by public and private healthcare providers in south-east Nigeria

scientific article published on 10 February 2009

Quality of artemisinin-based combination formulations for malaria treatment: prevalence and risk factors for poor quality medicines in public facilities and private sector drug outlets in Enugu, Nigeria

scientific article

Quality of care for the treatment for uncomplicated malaria in South-East Nigeria: how important is socioeconomic status? ⬇️

scientific article

Retention and loss to follow-up in antiretroviral treatment programmes in southeast Nigeria ⬇️

scientific article published on March 1, 2012

Role and use of evidence in policymaking: an analysis of case studies from the health sector in Nigeria ⬇️

scientific article

Searching for a better willingness to pay elicitation method in rural Nigeria: the binary question with follow-up method versus the bidding game technique

scientific article published in March 2001

Sero-prevalence and factors associated with Hepatitis B and C co-infection in pregnant Nigerian women living with HIV infection.

scientific article

Socio-economic and geographic differences in acceptability of community-based health insurance

scientific article published on 28 October 2011

Socio-economic and geographic differentials in costs and payment strategies for primary healthcare services in Southeast Nigeria

scientific article

Socio-economic differences and health seeking behaviour for the diagnosis and treatment of malaria: a case study of four local government areas operating the Bamako initiative programme in south-east Nigeria

scientific article

Socio-economic inequity in demand for insecticide-treated nets, in-door residual house spraying, larviciding and fogging in Sudan

scientific article

Socioeconomic inequities and payment coping mechanisms used in the treatment of type 2 diabetes mellitus in Nigeria

scientific article published in January 2016

Some indicators of socio-economic status may not be reliable and use of indices with these data could worsen equity

scientific article published in June 2006

Sputum smear concentration may misidentify acid-fast bacilli as Mycobacterium tuberculosis in HIV-infected patients.

scientific article published on June 2013

Stated and actual altruistic willingness to pay for insecticide-treated nets in Nigeria: validity of open-ended and binary with follow-up questions

scientific article

Study protocol: realist evaluation of effectiveness and sustainability of a community health workers programme in improving maternal and child health in Nigeria ⬇️

scientific article

Sub-optimal delivery of intermittent preventive treatment for malaria in pregnancy in Nigeria: influence of provider factors

scientific article

The challenge of bridging the gap between researchers and policy makers: experiences of a Health Policy Research Group in engaging policy makers to support evidence informed policy making in Nigeria

scientific article

The community is just a small circle: citizen participation in the free maternal and child healthcare programme of Enugu State, Nigeria

scientific article published in January 2018

The economic burden of malaria in pregnancy: a cross-sectional study

scientific article published on 10 July 2018

The economic burden of malaria on households and the health system in Enugu State southeast Nigeria

scientific article

The effect of increasing the supply of skilled health providers on pregnancy and birth outcomes: evidence from the midwives service scheme in Nigeria

scientific article

The long walk to universal health coverage: patterns of inequities in the use of primary healthcare services in Enugu, Southeast Nigeria

scientific article

The rapid monitoring of ivermectin treatment: will school-based surveys provide the answer?

scientific article published in December 2005

Towards making efficient use of household resources for appropriate prevention of malaria: investigating households' ownership, use and expenditures on ITNs and other preventive tools in Southeast Nigeria

scientific article

Towards universal coverage: examining costs of illness, payment, and coping strategies to different population groups in southeast Nigeria

scientific article published on January 2012

Treatment of uncomplicated malaria at public health facilities and medicine retailers in south-eastern Nigeria.

scientific article

Treatment with ivermectin: what works in one community may not work in another.

scientific article

Using Economic Evidence to Set Healthcare Priorities in Low-Income and Lower-Middle-Income Countries: A Systematic Review of Methodological Frameworks

scientific article published in February 2016

Valuing the benefits of a health intervention using three different approaches to contingent valuation: re-treatment of mosquito bed-nets in Nigeria

scientific article

Viewing health expenditures, payment and coping mechanisms with an equity lens in Nigeria

scientific article

Voluntary counseling and testing (VCT) for HIV/AIDS: a study of the knowledge, awareness and willingness to pay for VCT among students in tertiary institutions in Enugu State Nigeria

scientific article published on 4 December 2010

What Is the Economic Burden of Subsidized HIV/AIDS Treatment Services on Patients in Nigeria and Is This Burden Catastrophic to Households?

scientific article

What co-morbidities do people with malaria have and what are their patterns of health seeking in Nigeria?

scientific article published on January 2015

What determines providers' stated preference for the treatment of uncomplicated malaria?

scientific article published on January 2014

Where Do We Start? Building Consensus on Drivers of Health Sector Corruption in Nigeria and Ways to Address It

scientific article published on 01 July 2020

Where do people from different socio-economic groups receive diagnosis and treatment for presumptive malaria, in south-eastern Nigeria?

scientific article

Who buys insecticide-treated nets? Implications for increasing coverage in Nigeria

scientific article

Willingness to pay and benefit-cost analysis of modern contraceptives in Nigeria

scientific article

Willingness to pay for community-based health insurance in Nigeria: do economic status and place of residence matter?

scientific article

Willingness to pay for community-based ivermectin distribution: a study of three onchocerciasis-endemic communities in Nigeria

scientific article published in October 1998

Willingness to pay for rapid diagnostic tests for the diagnosis and treatment of malaria in southeast Nigeria: ex post and ex ante

scientific article

Willingness to pay for the maintenance of equity in a local ivermectin distribution scheme in Toro, Northern Nigeria.

scientific article

Willingness to pay for the retreatment of mosquito nets with insecticide in four communities of south-eastern Nigeria.

scientific article published in May 2000

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