Nnedinma has over 70 research scholarly output including publications in Q1 and Q2 peer-reviewed journals. Many of them are presented on this page, and the links can be found at the bottom of this page. However, if you are unable to access any of them, please contact Nnedinma on nnedinmaik@hotmail.com. For citations, see Google scholar.
SELECTED RESEARCH OUTPUT
Peer reviewed journals articles
Mbanaso, F., Theophilus, S. C., Sam-Ateki, M. A., Nnadi, E. O., Umoren, U. A., Umeokafor, N. (2023) Investigation of impact of slow-release fertilizer and struvite on biodegradation rate of diesel-contaminated soils. Current Research in Environmental Sustainability. [International Journal, International Referees] [Impact Factor 7.23; SJR 2023 2.1; Q1].
Umeokafor, N., Umar, T., and Evangelinos, K. (2022) Bibilometric and Scientometric Analysis based Review of Construction Safety and health Research in Developing Countries from 1990 to 2021. Safety Science, 156 :105897-105897, doi.org/10.1016/j.ssci.2022.105897. [International Journal, International Referees] [Impact Factor 6.392; SJR 2021 1.44; Q1].
Okoro, C. S., Owojori, O. M., Umeokafor, N. (2022) The Developmental Trajectory of a Decade of Research on Mental Health and Wellbeing amongst Graduate Students: A Bibliometric Analysis. International Journal of Environmental Research and Public Health, 19(9), 4929; doi.org/10.3390/ijerph19094929 [International Journal, International Referees] [Impact Factor 4.614; SJR 0.81; Q1]
Umeokafor, N., Diugwu, I., Windapo, A., Manu, P. and Haroglu, H. (2022) Critical Barriers to Prevention through Design in Construction in Nigeria: A Qualitative Enquiry. Engineering, Construction and Architectural Management. DOI: 10.1108/ECAM-04-2021-0304. [International Journal, International Referees] [Impact Factor 3.18; SJR 0.68; Q1]
Umar, T. and Umeokafor N. (2022) Developing a Safety Climate Assessment Tool for Omani Construction Industry. International Journal of Service Science, Management, Engineering, and Technology (IJSSMET), 13: 1- 24. [International Journal, International Referees]. [Impact Factor 1.97, SJR 0.23; Q2].
Umar, T. and Umeokafor, N. (2022) Exploring the GCC Progress Towards United Nations Sustainable Development Goals. International Journal of Social Ecology and Sustainable Development (IJSESD), 13 (1), 1-32. [International Journal, International Referees]. [Impact Factor 1.08, SJR 0.25; Q3].
Nuseeb, M., Koussa, M., Matshidze, L., Umeokafor, N., and Windapo, A. (2021). Client Characteristics related Critical Success Factors for Public-Private Partnerships in South Africa. International Journal of Construction Supply Chain Management, 11(1), 49- 68. [International Journal, International Referees]. Impact Factor 0.08, SJR 0.12; Q4].
Umeokafor, N., Okoro, C., Diugwu, I., Umar, T. (2021) Design for safety in construction in Nigeria: A qualitative inquiry of the critical opportunities. International Journal of Building Pathology and Adaptation. DOI: 10.1108/IJBPA-05-2021-0066. [International Journal, International Referees]. [Impact Factor 1.78, SJR 0.39; Q2].
Windapo, A.O., Adediran, A.A., Rotimi, J.O.B. and Umeokafor, N. I. (2021) Construction Project Performance: The role of client knowledge and procurement systems. Journal of Engineering, Design and Technology.DOI: 10.1108/JEDT-06-2020-0219.[Impact Factor 0.760; SJR 0.32; Q2].
Umeokafor, N. I. (2021) Briefing: The role of higher education apprenticeship on apprentices’ mental health and wellbeing. Management, Procurement and Law Journal. DOI: 10.1680/jmapl.20.00035 [Impact Factor 0.280; SJR 2019 0.21; Q3].
Umeokafor, N. I., Windapo, A. and Olatunji, O. A. (2020) Briefing: A conceptual framework for integrating health, safety and wellbeing into labour-only procurement. Management, Procurement and Law Journal.Doi.org/10.1680/jmapl.20.00010 [Impact Factor 0.280 ;SJR 2019 0.21; Q3].
Umeokafor, N. I., Evangelinos, K. and Windapo, A. O. (2020) Strategies for Improving Complex Construction Health and Safety Regulatory Environments. International Journal of Construction Management.Doi.org/10.1080/15623599.2019.1707853. [Impact Factor 2.250; SJR 2019 0.57; Q2].
Umeokafor, N., I. (2020) Why copied or transposed safety, health and well-Being Legislation and standards are impracticable and irrelevant in Developing Economies. Policy and Practice in Health and Safety, 18 (1), 41–54 [Impact Factor 1.000; SJR 2019 0.43; Q2].
Umeokafor, N. I., Evangelinos, K. and Windapo, A. O. (2019) Causal Inferences of External–Contextual Domains on Complex Construction, Safety, Health and Environment Regulation. Safety Science, 118, 378–388. [Impact Factor 4.350; SJR 2019 1.24; Q1].
Umeokafor, N. I. and Windapo, A. O (2019) The influence of religious consciousness on construction health and safety practices and performance.Journal of Construction in Developing Countries, 24 (1), 23–47.[Impact Factor 0.950; SJR 2019 0.31; Q3].
Umeokafor, N. I. (2018) Community interventions in construction health and safety and its implications: Evidence from Nigeria. Journal of Financial Management of Property and Construction, 23 (3), 312–329 DOI: 10.1108/JFMPC-10-2017-0041. [Impact Factor 0.760, SJR 1.29; Q3].
Umeokafor, N. I. and Windapo, A. O (2018) Challenges to and opportunities for establishing a qualitative approach to built environment research in higher education institutions, Journal of Engineering, Design and Technology 16(4), 557 –580. DOI: 10.1108/JEDT-06-2017-005. [Impact Factor 0.760; SJR 0.32; Q2].
Umeokafor, N. I. (2018) An investigation into public and private client attitudes, commitment and impact on construction health and safety in Nigeria. Engineering, Construction and Architectural Management, 29(6), 798–815. [Impact Factor 2.050; SJR 0.68; Q1].
Umeokafor, N. I. and Windapo, A. O (2018) Understanding the underrepresentation of qualitative research approaches to built environment research in Nigeria. International Journal of Construction Education and Research, 14:3, 198–217, [Impact Factor 1.090; SJR 2019 0.35; Q2].
Umeokafor, N. I. (2017) An appraisal of the barriers to client involvement in health and safety in Nigeria’s construction industry. Journal of Engineering, Design and Technology, 15 (4), 471–487. [Impact Factor 0.760; SJR 0.32; Q2].
Umeokafor, N. I. (2017) Barriers to construction health and safety self-regulation: A scoping case of Nigeria. The Civil Engineering Dimension (Dimensi Teknik Sipil), 19 (1), 44–53.
Umeokafor, N. I. (2016) Approaches, drivers and motivators to health and safety self-regulation in the Nigerian construction industry: a scoping study, Architectural Engineering and Design, 12 (6)460–475. [Impact Factor 2.130, SJR 2019 0.69; Q1].
Umeokafor, N. I. and Isaac D. (2016) Construction health and safety self-regulation in developing countries: A Nigeria case study, Journal for the Advancement of Performance Information and Value, 8(1), 26–41. .
Umeokafor, N. I.,(2015) A discussion of obser-view as a method of generating data in the construction industry. Civil Engineering Dimension, (Dimensi Teknik Sipil) 17, (1) 54–58.
Umeokafor, N., Umeadi, B., and Isaac, D., (2014) Determinants of compliance with health and safety regulations in Nigeria’s construction Industry. Journal of Construction Project Management and Innovation, 4, (S1) 882–889.
Note: All SCImago data and ranking were obtained from https://www.scimagojr.com/journalrank.php on 25th December 2020.
Impact Factor was obtained on 28 December 2020 from https://academic-accelerator.com/
Peer reviewed conference articles
Umar T. and Umeokafor N. (2022) An Experimental Investigation on Strength Characteristics of Concrete Using Wastepaper Sludge Ash (WPSA). 12th International Conference on Construction in the 21st Century (CITC-12) International conference proceedings, International Referees].
Umar, T and Umeokafor, N. (2022) A Comparative Study of Occupational Safety and Health (OS&H) Regulations in United States, United Kingdom, Australia, South Africa, and Oman. World Building Congress 2022. International conference proceedings, International Referees].
Umar, T. and Umeokafor, N. (2021) A review of the costs of accidents in GCC construction. oint CIBW99 and TG59 Conference, Sept 2021, Glasgow, UK. [International conference proceedings, International Referees].
Umar, T. and Umeokafor, N. (2021). A new safety climate assessment tool for Gulf construction. In: Sandanayake, Y.G., Gunatilake, S. and Waidyasekara, KG.A.S. (eds). Proceedings of the 9th World Construction Symposium, 9-10 July 2021, Sri Lanka. [Online]. pp. 39-51. DOI: https://doi.org/10.31705/WCS.2021.4. Available from: https://ciobwcs.com/papers/ [International conference proceedings, international Referees].
Dixon, L. R., and Umeokafor, N.I, (2021) Determinants of Smart Technology adoption in the Construction Phase of Projects: A Scoping Study of the United Kingdom. In Windapo, A. O., Aiyetan, A. O., Umeokafor, N., Okoro, C., Adediran, A., Mtya. A., (Eds.). Ist Construction Business and Project Management (CBPM) Conference, Cape Town, South Africa 24 – 25 June 2021. ISBN – 978-0-620-91653-0. [International conference proceedings, international Referees].
Diugwu, I. A., Musa, H., Umeokafor, N. and Sanusi, Y. (2021) A scoping study of barriers and drivers of sustainable design and construction in Nigeria. CBPM Conference, South Africa. In Windapo, A. O., Aiyetan, A. O., Umeokafor, N., Okoro, C., Adediran, A., Mtya. A., (Eds.). Ist Construction Business and Project Management (CBPM) Conference, Cape Town, South Africa 24 – 25 June 2021. ISBN – 978-0-620-91653-0. [International conference proceedings, international Referees].
Umeokafor, N., Haroglu, H., Dixon, L., Dyer, I., and Turner, K. (2021) An Appraisal of Apprentices’ Satisfaction and Engagement. Horizons in STEM Higher Education Conference Proceedings. Making Connections, Innovating and Sharing Pedagogy, 29th – 30th June 2021, The Open University, UK. [Local conference proceedings, Local Referees].
Umeokafor, N. and Okoro, C. (2020) Barriers to Social Support in the mental health and wellbeing of construction workers in emerging and developing countries: A systematic Review. Joint CIBW99 and TG59 Conference, Sept 2020, Glasgow, UK. [International conference proceedings, International Referees].
Alade, K., Windapo, A.O., and Umeokafor, N. (2020) Sustainable contractor development: do CEO/company leaders make a difference? Joint CIBW99 and TG59 Conference, Sept 2020, Glasgow, UK.[International conference proceedings, International Referees].
Umeokafor, N. and Windapo A. (2020) Improving the mental health and wellbeing of building and civil engineering workers: Barriers to flexible working. Joint CIBW99 and TG59 Conference, Sept 2020, Glasgow, UK. [International conference proceedings, International Referees].
Haroglu, H. and Umeokafor N. (2020) What is happening in Quality Management in the UK. ARCOM 2020, Sept 2020, Glasgow, UK. [Local UK conference proceedings, International Referees].
Umeokafor, N. I., Windapo, A. O., and Manu, P. A. (2018) Country context-based opportunities for improving health and safety. In Saurin, T. A., Costa, D. B., Behm. M., and Emuze, F. (Eds.). Proc: Joint CIBW99 and TG59 Conference, Salvador, 177–186ISBN: 978-85-67169-11-8. [International conference proceedings, International Referees].
Umeokafor, N. I. (2018) Construction health and safety research in Nigeria: towards a sustainable future.In Saurin, T. A., Costa, D. B., Behm. M., and Emuze, F. (Eds.). Proc:. Joint CIBW99 and TG59 Conference, Salvador,213–221, ISBN: 978-85-67169-11-8. [International conference proceedings, International Referees].
Windapo, A. O., Umeokafor, N. I., and Olatunji, A. (2018) Self-regulation to Occupational Health and Safety Legislative Requirements by Contractors in South Africa. In Saurin, T. A., Costa, D. B., Behm. M., and Emuze, F. (Eds.). Proc:. Joint CIBW99 and TG59 Conference, Salvador 187–196, ISBN: 978-85-67169-11-8. [International conference proceedings, International Referees].
Umeokafor, N. I. and Windapo, A. O (2016) A framework for managing contextual influence on health and safety on construction projects. In Windapo, A.O, Odediran, S. J. and Adediran, A.; Proc. 9th Construction Industry Development Board (CIDB) postgraduate conference, Cape Town, 285–294, ISBN: 978-0-620-69590-9. [Local South African conference proceedings, International Referees].
Umeokafor, N. I. and Isaac, D. (2015) Understanding the regulatory activities of the health and safety regulator in Nigeria. In Behm, M. and McAleenan, C (Ed.), Proc.: CIB W099 International Health and safety Conference, Northern Ireland, 488–498. [International conference proceedings, International Referees].
Umeokafor, N. I. (2015) An assessment of the influence of contextual environment on health and safety practices in the Nigerian construction industry. In Behm, M. and McAleenan, C (Ed.), Proc.: CIB W099 International Health and safety Conference, Northern Ireland, 397–406, ISBN 978-1-909854-01-7. [International conference proceedings, International Referees].
Umeokafor, N. I. and Isaac, D., (2015) A framework for analysing the determinants of health and safety self-regulation in the construction industry. In Behm, M. and McAleenan, C (Ed.), Proc.: CIB W099 International Health and safety Conference, Northern Ireland, 478–487, ISBN 978-1-909854-01-7. [International conference proceedings, International Referees].
Umeokafor, N. I., (2015) The influence of contextual factors on health and safety performance of construction contractors in Nigeria:A comparative assessment. In Carter D. Onjewu A. Kitsos A, Dexter G., Haddoud M. El Hakimi I., Dhakal M., Kong S. (Eds) Proc.: Plymouth University’s Faculty of Business 10th Annual PhD conference, 43–47. [Local UK conference proceedings, local referees].
Umeokafor, N. I., Umeadi, B. and Jones, K.G. (2014) Compliance with occupational health and safety regulations: A review of Nigeria’s construction industry. Proceedings: 3rd International Conference on Infrastructure Development in Africa, ICIDA 2014, 70–81, ISBN: 978-978-938-173-9.[International conference proceedings, International Referees].
BOOKS
Windapo, Abimbola Olukemi , Aiyetan, Ayodeji Olatunji , Umeokafor, Nnedinma , Okoro, Chioma Sylvia , eds. (2022) Proceedings of the Construction Business & Project Management Conference. Cape Town, South Africa: University of Cape Town. ISBN 9780620916530
Windapo, Abimbola Olukemi , Aiyetan, Ayodeji Olatunji , Umeokafor, Nnedinma , Okoro, Chioma Sylvia , Adediran, Abdulrauf and Mtya, Amanda, eds. (2021) Proceedings of the Construction Business & Project Management Conference. Cape Town, South Africa : University of Cape Town. ISBN 9780620916530
Peer reviewed book chapters
Umeokafor, N., and Umar, T (in press) Critical Barriers to Big data techniques applications to construction safety health and wellbeing risks. Book Chapter, In: Manu, Patrick, Shang, Gao, Bartolo, Paulo, Francis, Valerie and Sawhney, Anil, (eds.) Handbook of Construction Safety, Health and Well-being in the Industry 4.0 Era. Taylor & Francis, London and New York. [International publisher, International Referees].
Umeokafor, N. I., Windapo, A. and Olatunji, O. A. (2020) Integrating Health and Safety into Labour- Only Procurement System: Opportunities, Barriers and Strategies. In Manu, P. A., Emuze, F., and Saurin, T. (Eds) Construction Health and Safety in Developing Countries, London, Taylor and Francis, ISBN: 0429848536, 9780429848537.
Olatunji, O. A., Windapo, A. and Umeokafor, N. I. (2020) Ad-hoc and post-hoc analysis of contractors’ safety risks in Nigeria. In Manu, P. A., Emuze, F., and Saurin, T. (Eds) Construction Health and Safety in Developing Countries, London, Taylor and Francis, ISBN: 0429848536.
Umeokafor, N. I., Evangelinos, K. and Windapo, A. O. (2020) Implications and Opportunities In A Complex Construction Health and Safety Regulatory Environment. In Manu, P. A., Emuze, F., and Saurin, T. (Eds) Construction Health and Safety in Developing Countries, London, Taylor and Francis, ISBN: 0429848536, 9780429848537.
Windapo, A., Olatunji, O. A. and Umeokafor, N. I., (2020) Contractors’ Compliance with Occupational Health and Safety Legislation in South Africa: The Benefits of Self-Regulation. In Manu, P. A., Emuze, F., and Saurin, T. (Eds) Construction Health and Safety in Developing Countries, London, Taylor and Francis, ISBN: 0429848536, 9780429848537.
Thesis
Umeokafor, N. I. (2021) Skills and knowledge dimensions for big data analytics (BDA) in infrastructure development, MSc Thesis, Oxford Brookes University.
Umeokafor, N. I.(2017) Realities of construction health and safety regulation in Nigeria, Doctor of Philosophy (PhD) Thesis, University of Greenwich.
technical reportS AND POSTERS
Soares, A and Umeokafor, N.I (2021) Poster— The mental health and wellbeing of apprentices: What have we being missing? Kingston University.
Umeokafor, N. I and Soares, A (2021) Report — The influence of higher education apprenticeship on the mental health and wellbeing of apprentices. Kingston University.
Umeokafor N.I et al. (2020) Report — Investigating the delivery features of apprenticeship courses for apprentices’ satisfaction and engagement. Kingston University, London.
Dixon, L., Umeokafor N.I et al. (2020) Poster— What features of higher education apprenticeship effect apprentice Satisfaction and Engagement and How? Kingston University, London.
Professional institution and other online articles
Okoro, C. S., Owojori, O. M., Umeokafor, N. (2022) Mental Health and Well-Being amongst Graduate Students. Scholarly Community Encyclopedia. Available on encyclopedia.pub/entry/history/show/54295
Umeokafor N. (2021) The dangers of poor imitations. Jan/Feb 2021 Edition, 48-50, IOSH Magazine.
Non-peer reviewed journal and conference articles
Umeokafor, N.I., Igwegbe, O., Umeadi, B., Evanggelinos, K., Lundy, S., Isaac, D., Jones, K., and Umeokafor, K. (2014) The pattern of occupational accidents, injuries, accident causal factors and intervention in Nigerian factories. Developing Countries Studies. 4, (15) 119–127.
Umeokafor, N.,Isaac, D., Jones, K., and Umeadi, B.(2014) Enforcement of occupational safety and health regulations in Nigeria: A Exploration. European Scientific Journal. February 2014/Special/Edition 3, 93–104.
Umeokafor, N. I., Umeadi, B., Jones, K., and Igwegbe, O. (2014) Compliance with Occupational Safety and Health Regulations in Nigeria’s Public Regulatory Entity: A Call for Attention. International Journal of Scientific and Research Publications, 4 (5) 302–304.
Umeokafor, N., Isaac, D, Jones, K., and Umeadi, B. (2013) Enforcement of occupational safety and health regulations in Nigeria: An exploration. In: 1st International Scientific Forum; 12 – 14 Dec 2013, Tirana, Albania.
The links to some of the publication above are below