Research Topics
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Publications
Cost-effectiveness analysis of rapid diagnostic test, microscopy and syndromic approach in the diagnosis of malaria in Nigeria: implications for scaling-up deployment of ACTBenjamin S C Uzochukwu
Department of Community Medicine, University of Nigeria, Nigeria
Malar J 8:265. 2009..The study hence compares the cost-effectiveness of RDT versus syndromic diagnosis and microscopy...- Are there geographic and socio-economic differences in incidence, burden and prevention of malaria? A study in southeast NigeriaObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
Int J Equity Health 8:45. 2009..This study explored the socioeconomic and geographic differences in incidence and burden of malaria as well as ownership of mosquito nets... - 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 NigeriaBenjamin S C Uzochukwu
Department of Community Medicine, College of Medicine, University of Nigeria, Enugu Campus, Nigeria
BMC Public Health 10:486. 2010..Hence, this study investigated the levels of availability and use of RDTs and ACTs in these facilities... - Preferences for benefit packages for community-based health insurance: an exploratory study in NigeriaObinna Onwujekwe
Health Policy Research Group, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Enugu Campus, Enugu
BMC Health Serv Res 10:162. 2010..Hence, this paper provides an understanding of the preferred benefit packages by different economic status groups as well as urban and rural dwellers for CBHI in Southeast Nigeria... - Investigating determinants of out-of-pocket spending and strategies for coping with payments for healthcare in southeast NigeriaObinna E Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
BMC Health Serv Res 10:67. 2010..This paper provides information that would be required to improve financial accessibility and equity in financing within the public health care system... - 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 NigeriaObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
Malar J 7:5. 2008.... - Inequities in valuation of benefits, choice of drugs, and mode of payment for malaria treatment services provided by community health workers in NigeriaObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London, United Kingdom
Am J Trop Med Hyg 77:16-21. 2007..Hence, interventions for timely and appropriate treatment of malaria should be accompanied by drug delivery and payment strategies that would ensure SES equity in consumption of appropriate malaria treatment services... - Feasibility of a community health worker strategy for providing near and appropriate treatment of malaria in southeast Nigeria: an analysis of activities, costs and outcomesObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London, UK
Acta Trop 101:95-105. 2007..Community health workers (CHWs) could be used to bring appropriate and timely treatment of malaria closer to home and there is the need to increase the body of knowledge about the feasibility of implementing the strategy... - Consumers stated and revealed preferences for community health workers and other strategies for the provision of timely and appropriate treatment of malaria in southeast NigeriaObinna Onwujekwe
Health Policy Research Group, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Enugu, Nigeria
Malar J 5:117. 2006.... - Socio-economic differences in preferences and willingness to pay for different providers of malaria treatment in southeast NigeriaObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London, UK
Am J Trop Med Hyg 75:421-9. 2006.... - Some indicators of socio-economic status may not be reliable and use of indices with these data could worsen equityObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, UK
Health Econ 15:639-44. 2006..Greater rigour is needed in conceptualising as well as undertaking SES measurements... - Socio-economic inequity in demand for insecticide-treated nets, in-door residual house spraying, larviciding and fogging in SudanObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu Campus, Nigeria
Malar J 4:62. 2005..In order to optimally prioritize and use public and private budgets for equitable malaria vector control, there is a need to determine the level and determinants of consumer demand for different vector control tools... - 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 netsObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London, UK
Med Decis Making 28:90-101. 2008..Hence, the results suggest that the SH technique is worthy of further investigation and use... - Examining catastrophic costs and benefit incidence of subsidized antiretroviral treatment (ART) programme in south-east NigeriaObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
Health Policy 90:223-9. 2009..To examine the extent to which costs of subsidized antiretrovirals treatment (ART) programmes are catastrophic and the benefit incidence that accrues to different population groups... - Improving quality of malaria treatment services: assessing inequities in consumers' perceptions and providers' behaviour in NigeriaObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
Int J Equity Health 9:22. 2010..Hence, the study determined the technical and perceived quality of malaria treatment services of different types of providers in three urban and three rural areas in southeast Nigeria... - Is community-based health insurance an equitable strategy for paying for healthcare? Experiences from southeast NigeriaObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
Health Policy 92:96-102. 2009..To determine how equitable enrolment and utilization of community-based health insurance is in two communities with varying levels of success in implementing the scheme... - Geographic inequities in provision and utilization of malaria treatment services in southeast Nigeria: diagnosis, providers and drugsObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria
Health Policy 94:144-9. 2010..To examine the levels of geographic inequities in households' choice of providers, mode of diagnosis and drugs for the treatment of malaria... - Malaria treatment perceptions, practices and influences on provider behaviour: comparing hospitals and non-hospitals in south-east NigeriaObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
Malar J 8:246. 2009..However, there are lots of problems with treatment provision. Hence, factors influencing treatment provision in hospitals and non-hospitals require further investigation in order to remedy the situation... - Are malaria treatment expenditures catastrophic to different socio-economic and geographic groups and how do they cope with payment? A study in southeast NigeriaObinna Onwujekwe
Health Policy Unit, London School of Hygiene and Tropical Medicine, London, UK
Trop Med Int Health 15:18-25. 2010.... - Informal payments for healthcare: differences in expenditures from consumers and providers perspectives for treatment of malaria in NigeriaObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
Health Policy 96:72-9. 2010..To examine differences in malaria treatment expenditures from the perspectives of consumers and providers in southeast Nigeria... - Willingness to pay for community-based health insurance in Nigeria: do economic status and place of residence matter?Obinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu Campus, PMB 01129 UNTH Enugu, Nigeria
Health Policy Plan 25:155-61. 2010..We examine socio-economic status (SES) and geographic differences in willingness of respondents to pay for community-based health insurance (CBHI)... - Issues of measuring and improving the treatment of malaria in sub-Saharan AfricaObinna Onwujekwe
Health Policy Research Unit, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria Enugu Campus, Enugu, Nigeria
Trop Doct 35:224-5. 2005.... - Do malaria preventive interventions reach the poor? Socioeconomic inequities in expenditure on and use of mosquito control tools in SudanObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, UK
Health Policy Plan 21:10-6. 2006..To determine levels of socioeconomic inequities in the prevention of malaria, and to examine the implications of the findings for improving the equitable control of malaria in the Sudan... - Criterion and content validity of a novel structured haggling contingent valuation question format versus the bidding game and binary with follow-up formatObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine and Health Policy Research Unit, Department of Pharmacology and Therapeutics, University of Nigeria Teaching Hospital, Enugu Campus, Enugu 01129, Nigeria
Soc Sci Med 58:525-37. 2004..It is necessary to validate the findings in other areas where haggling is common. Future studies should establish the content validity of question formats in the contexts in which they will be used before administering questionnaires... - Inter-rater and test-retest reliability of three contingent valuation question formats in south-east NigeriaObinna Onwujekwe
Health Policy Research Unit, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Enugu Campus, Nigeria
Health Econ 14:529-36. 2005..Standard formats for determining reliability within CVM should be developed for easy comparison of results from different studies... - Do divergences between stated and actual willingness to pay signify the existence of bias in contingent valuation surveys?Obinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London WCIE 7HT, UK
Soc Sci Med 60:525-36. 2005..Studies that compare stated and actual WTP should explicitly determine the causes of divergences in order to assess the role of bias in the divergences... - Quality of anti-malarial drugs provided by public and private healthcare providers in south-east NigeriaObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria, Enugu, Nigeria
Malar J 8:22. 2009..The objective of the study was to determine the quality of drugs used for the treatment of malaria in a broad spectrum of public and private healthcare providers... - Socio-economic and geographic differentials in costs and payment strategies for primary healthcare services in Southeast NigeriaObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London, UK
Health Policy 71:383-97. 2005.... - Inequities in healthcare seeking in the treatment of communicable endemic diseases in Southeast NigeriaObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, UK
Soc Sci Med 61:455-63. 2005..The bottom/top quartile ratios and concentration indices produced similar results and hence both methods hence complement each other... - Where do people from different socio-economic groups receive diagnosis and treatment for presumptive malaria, in south-eastern Nigeria?O Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, UK
Ann Trop Med Parasitol 99:473-81. 2005..Improvements in the quality of malaria diagnosis and treatment by the providers patronised by the most-poor villagers would help to redress this inequity, at least in the short- to medium-term... - Increasing coverage of insecticide-treated nets in rural Nigeria: implications of consumer knowledge, preferences and expenditures for malaria preventionObinna Onwujekwe
Department of Health Administration and Management, College of Medicine, University of Nigeria Enugu Campus, Nigeria
Malar J 4:29. 2005.... - Is combination therapy for malaria based on user-fees worthwhile and equitable to consumers? Assessment of costs and willingness to pay in Southeast NigeriaObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London, UK
Acta Trop 91:101-15. 2004..To examine the equity implications of the costs of an episode of malaria, the benefit/cost ratios of using two artemisinin-based combination therapy (CT) from the consumers' view and inequities in willingness to pay (WTP) for CT... - Investigating starting-point bias: a survey of willingness to pay for insecticide-treated netsObinna Onwujekwe
Health Policy Research Unit, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Enugu Campus, Nigeria
Soc Sci Med 55:2121-30. 2002..Future research is required in order to gain a deeper understanding on factors determining peoples' valuation of goods and services, reasons for any type of starting-point bias, and how the bidding game can be improved... - Who buys insecticide-treated nets? Implications for increasing coverage in NigeriaObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, UK
Health Policy Plan 18:279-89. 2003..To investigate the determinants of purchase of insecticide-treated nets (ITNs) and explore the policy implications of the findings for ITN programmes... - Altruistic willingness to pay in community-based sales of insecticide-treated nets exists in NigeriaObinna Onwujekwe
Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria
Soc Sci Med 54:519-27. 2002..Community mobilisation and sensitisation should be used to encourage able households to actually pay at least the amounts they have stated... - Hypothetical and actual willingness to pay for insecticide-treated nets in five Nigerian communitiesO Onwujekwe
Health Policy Research Unit, College of Medicine, University of Nigeria, Enugu, Nigeria
Trop Med Int Health 6:545-53. 2001..To determine the hypothetical and actual willingness of households to pay (WTP) for insecticide-treated nets (ITNs), and compare these in areas with and without previous exposure to free ITNs... - Searching for a better willingness to pay elicitation method in rural Nigeria: the binary question with follow-up method versus the bidding game techniqueO Onwujekwe
Health Policy Research Unit, College of Medicine, University of Nigeria, Enugu, Nigeria
Health Econ 10:147-58. 2001..Such an indigenous technique will help improve the predictive validity of the contingent valuation method... - Willingness to pay for the retreatment of mosquito nets with insecticide in four communities of south-eastern NigeriaO Onwujekwe
Health Policy Research Unit, College of Medicine, University of Nigeria, Enugu Campus
Trop Med Int Health 5:370-6. 2000..To determine the willingness to pay (WTP) for the retreatment of insecticide-treated nets (ITN) in four malaria holoendemic communities of Nigeria... - Valuing the benefits of a health intervention using three different approaches to contingent valuation: re-treatment of mosquito bed-nets in NigeriaObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London UK
J Health Serv Res Policy 9:67-75. 2004..The levels of WTP identified suggest that user fees exceeding 50 Naira per net re-treatment may discourage demand for the service. This is an important challenge for ITN programmes... - Economic burden of malaria illness on households versus that of all other illness episodes: a study in five malaria holo-endemic Nigerian communitiesO Onwujekwe
Health Policy Research Unit, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Enugu Campus, PMB 01129 Enugu, Nigeria
Health Policy 54:143-59. 2000..91%. Thus, malaria is a big contributor to the economic burden of disease, in malaria holo-endemic communities. Community-effective malaria control programs are needed to reduce this burden on the households... - Inequalities in purchase of mosquito nets and willingness to pay for insecticide-treated nets in Nigeria: challenges for malaria control interventionsObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London UK
Malar J 3:6. 2004..To explore the equity implications of insecticide-treated nets (ITN) distribution programmes that are based on user charges... - Onchocerciasis control in Nigeria: will households be able to afford community-directed treatment with ivermectin?O Onwujekwe
Department of Pharmacology and Therapeutics, Health Policy Research Unit, College of Medicine, University of Nigeria, P M B 01129, Enugu, Nigeria
Acta Trop 80:277-81. 2001..To determine the level of affordability of community-directed treatment with ivermectin (CDTI) to households living in two onchocerciasis endemic Nigerian communities namely Toro in the north and Nike in the south... - Inequity in the Bamako Initiative programme--implications for the treatment of malaria in south-east NigeriaBenjamin Uzochukwu
Department of Community Medicine, College of Medicine, University of Nigeria, Enugu, Nigeria
Int J Health Plann Manage 19:S107-16. 2004..BI appears to have increased malaria care utilization but has also raised some equity issues. It seems that richer households benefited more than poorer households... - Community-directed treatment with ivermectin in two Nigerian communities: an analysis of first year start-up processes, costs and consequencesObinna Onwujekwe
Health Policy Research Unit, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, P M B 01129, Enugu, Nigeria
Health Policy 62:31-51. 2002..The other objectives were to discover the community-financing mechanisms, local ivermectin distribution strategies and communities' organisational capacity to handle the programme... - Stated and actual altruistic willingness to pay for insecticide-treated nets in Nigeria: validity of open-ended and binary with follow-up questionsObinna Onwujekwe
Gates Malaria Partnership, London School of Hygiene and Tropical Medicine, London, UK
Health Econ 13:477-92. 2004.... - Influence of education and knowledge on perceptions and practices to control malaria in Southeast NigeriaNkem Dike
Health Policy Research Unit, Department of Pharmacology and Therapeutics, College of Medicine, University of Nigeria, Enugu
Soc Sci Med 63:103-6. 2006..As well as this, short-term health education campaigns about the causes, manifestations and control of malaria will have a positive impact on its control... - Healthcare reform involving the introduction of user fees and drug revolving funds: influence on health workers' behavior in southeast NigeriaBenjamin Uzochukwu
Department of Community Medicine, College of Medicine, University of Nigeria, P O Box 3295, Enugu, Nigeria
Health Policy 75:1-8. 2005..To assess the perceptions of health workers towards the drug revolving fund (DRF) scheme and the perceptions of the community members about health workers since the introduction of the DRF... - Differences in willingness to pay for artemisinin-based combinations or monotherapy: experiences from the United Republic of TanzaniaVirginia Wiseman
Department of Public Health and Policy, London School of Hygiene and Tropical Medicine, 50 Bedford Square, London WC1B 3DP, England
Bull World Health Organ 83:845-52. 2005..The reasons behind respondents' valuations and the effect of socioeconomic status on willingness to pay were explored...