Chima Onoka

1.7k total citations
55 papers, 1.2k citations indexed

About

Chima Onoka is a scholar working on General Health Professions, Pediatrics, Perinatology and Child Health and Finance. According to data from OpenAlex, Chima Onoka has authored 55 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in General Health Professions, 22 papers in Pediatrics, Perinatology and Child Health and 19 papers in Finance. Recurrent topics in Chima Onoka's work include Global Maternal and Child Health (22 papers), Healthcare Systems and Reforms (19 papers) and Global Health Care Issues (14 papers). Chima Onoka is often cited by papers focused on Global Maternal and Child Health (22 papers), Healthcare Systems and Reforms (19 papers) and Global Health Care Issues (14 papers). Chima Onoka collaborates with scholars based in Nigeria, United States and United Kingdom. Chima Onoka's co-authors include Obinna Onwujekwe, Benjamin Uzochukwu, Kara Hanson, Benjamin Uzochukwu, Eric Obikeze, Amos Petu, Joses Muthuri Kirigia, Johanna Hanefeld, Nkoli Ezumah and Chijioke Okoli and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Social Science & Medicine.

In The Last Decade

Chima Onoka

55 papers receiving 1.1k citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Chima Onoka Nigeria 19 584 502 493 272 224 55 1.2k
Felix Masiye Zambia 20 496 0.8× 378 0.8× 348 0.7× 300 1.1× 299 1.3× 63 1.2k
Pankaj Bahuguna India 23 485 0.8× 486 1.0× 497 1.0× 375 1.4× 95 0.4× 81 1.4k
Bart Jacobs Philippines 21 846 1.4× 627 1.2× 764 1.5× 399 1.5× 156 0.7× 48 1.6k
Henk Bekedam India 11 417 0.7× 637 1.3× 603 1.2× 369 1.4× 123 0.5× 15 1.4k
Hubert Amu Ghana 22 589 1.0× 519 1.0× 291 0.6× 155 0.6× 193 0.9× 93 1.3k
Paulin Basinga United States 19 908 1.6× 680 1.4× 496 1.0× 407 1.5× 204 0.9× 35 1.6k
Juliet Nabyonga‐Orem Republic of the Congo 19 439 0.8× 384 0.8× 267 0.5× 227 0.8× 143 0.6× 71 995
Manoj Mohanan United States 14 361 0.6× 287 0.6× 264 0.5× 269 1.0× 147 0.7× 41 910
Olusoji Adeyi United States 18 412 0.7× 544 1.1× 225 0.5× 346 1.3× 215 1.0× 45 1.3k
M. Hafizur Rahman United States 7 429 0.7× 376 0.7× 304 0.6× 175 0.6× 117 0.5× 10 1.0k

Countries citing papers authored by Chima Onoka

Since Specialization
Citations

This map shows the geographic impact of Chima Onoka's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Chima Onoka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Chima Onoka more than expected).

Fields of papers citing papers by Chima Onoka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Chima Onoka. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Chima Onoka. The network helps show where Chima Onoka may publish in the future.

Co-authorship network of co-authors of Chima Onoka

This figure shows the co-authorship network connecting the top 25 collaborators of Chima Onoka. A scholar is included among the top collaborators of Chima Onoka based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Chima Onoka. Chima Onoka is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Sebire, Neil J., Alayne M. Adams, Leo Anthony Celi, et al.. (2025). The Future Hospital in Global Health Systems: The Future Hospital as an Entity. The International Journal of Health Planning and Management. 40(3). 730–740. 3 indexed citations
2.
Sebire, Neil J., Alayne M. Adams, Anita Charlesworth, et al.. (2025). The Future Hospital in Global Health Systems: The Future Hospital Within the Healthcare System. The International Journal of Health Planning and Management. 40(3). 741–751. 1 indexed citations
3.
Miller, Rosalind, Francis Wafula, Chima Onoka, et al.. (2021). When technology precedes regulation: the challenges and opportunities of e-pharmacy in low-income and middle-income countries. BMJ Global Health. 6(5). e005405–e005405. 34 indexed citations
4.
Eboreime, Ejemai, et al.. (2021). Awareness of HIV serostatus by sex partners of women living with HIV in North-Central Nigeria: correlates and predictive analyses. Journal of Biosocial Science. 54(4). 572–582. 1 indexed citations
5.
Stadnick, Nicole A., Kiyomi Tsuyuki, Amaka G. Ogidi, et al.. (2020). Sero-prevalence and determinants of Hepatitis B among a cohort of HIV-infected women of reproductive age in Nigeria. PLoS ONE. 15(9). e0236456–e0236456. 1 indexed citations
6.
Gbadamosi, Semiu O., John Olajide Olawepo, Amaka G. Ogidi, et al.. (2019). Targeted HIV testing for male partners of HIV-positive pregnant women in a high prevalence setting in Nigeria. PLoS ONE. 14(1). e0211022–e0211022. 13 indexed citations
7.
Onwasigwe, Chika, et al.. (2018). Disparities in tobacco use by adolescents in southeast, Nigeria using Global Youth Tobacco Survey (GYTS) approach. BMC Public Health. 18(1). 317–317. 19 indexed citations
8.
Shuaib, Faisal, et al.. (2018). Routine immunization community surveys as a tool for guiding program implementation in Kaduna state, Nigeria 2015–2016. BMC Public Health. 18(S4). 1313–1313. 4 indexed citations
9.
Ezeanolue, Echezona E., Semiu O. Gbadamosi, John Olajide Olawepo, et al.. (2017). An mHealth Framework to Improve Birth Outcomes in Benue State, Nigeria: A Study Protocol. JMIR Research Protocols. 6(5). e100–e100. 11 indexed citations
10.
Onwujekwe, Obinna, et al.. (2016). Exploring the threshold premium for viable community based health insurance schemes in Nigeria. BMC Research Notes. 9(1). 383–383. 4 indexed citations
11.
Onoka, Chima, Kara Hanson, & Johanna Hanefeld. (2014). Towards universal coverage: a policy analysis of the development of the National Health Insurance Scheme in Nigeria. Health Policy and Planning. 30(9). 1105–1117. 64 indexed citations
12.
Onoka, Chima, Obinna Onwujekwe, Kara Hanson, & Benjamin Uzochukwu. (2012). Sub-optimal delivery of intermittent preventive treatment for malaria in pregnancy in Nigeria: influence of provider factors. Malaria Journal. 11(1). 317–317. 27 indexed citations
13.
Onwujekwe, Obinna, Chima Onoka, Nkoli Uguru, et al.. (2011). Socio-economic and geographic differences in acceptability of community-based health insurance. Public Health. 125(11). 806–808. 12 indexed citations
14.
Onwujekwe, Obinna, Benjamin Uzochukwu, Eric Obikeze, et al.. (2010). Investigating determinants of out-of-pocket spending and strategies for coping with payments for healthcare in southeast Nigeria. BMC Health Services Research. 10(1). 67–67. 84 indexed citations
15.
Unger, Holger W., et al.. (2009). Maternal morbidity and mortality in peri-urban Kenya--assessing progress in improving maternal healthcare.. PubMed. 6(2). 112–8. 11 indexed citations
16.
Onwujekwe, Obinna, et al.. (2009). Willingness to pay for community-based health insurance in Nigeria: do economic status and place of residence matter?. Health Policy and Planning. 25(2). 155–161. 117 indexed citations
17.
Onoka, Chima, et al.. (2008). Delay in healthcare seeking for treatment amongst patients with pulmonary tuberculosis in Enugu, South-East Nigeria. SHILAP Revista de lepidopterología. 3 indexed citations
18.
Onwujekwe, Obinna, Nkem Dike, Benjamin Uzochukwu, et al.. (2008). Examining catastrophic costs and benefit incidence of subsidized antiretroviral treatment (ART) programme in south-east Nigeria. Health Policy. 90(2-3). 223–229. 26 indexed citations
19.
Onoka, Chima, Obinna Onwujekwe, & Benjamin Uzochukwu. (2007). Policy Shift to Use of Artemisinin-Based Combination Therapy (Acts) in Nigeria: Do Current Socioeconomic and Geographic Differentials in Costs of Treatment for Malaria Constitute a Challenge?. SSRN Electronic Journal. 2 indexed citations
20.
Arodiwe, Ejikeme, et al.. (2007). Profile of Cardiovascular Risk Factors among Priests in a Nigerian Rural Community. Nigerian Medical Journal. 48(4). 6 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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