Oyejola B. A

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Telephone No:             +2348035068594      
B.Sc. (Hons) Statistics (First Class) A.B.U., 1975
M.Sc. (Biometry), Reading, 1978
Ph.D. Reading, 1984
                (a) Estimating econometric models
                (b) Analysis of data on diabetic patients



  1. Akpa, A.M. and Oyejola, B.A. (2007) Modeling HIV/AIDS Epidemics in West Africa: Results for UNAIDS Modeling Approach from some selected countries. Res. Jour. Of Applied Sciences 2(11): 1148-1155. Medwell Online.
  2. Okoro, E.O., Yusuf, M., Salawu H.O. and Oyejola,  B.A. (2007). Outcome of Diabetic Hyperglycaemic Emergencies in a Nigerian Cohort. .Journal of Chinese Clinical Medicine,2007,2(2):77-82.
  3. Oyejola B.A. & Mead. R. (1982), "Statistical Assessment of Different Ways of Calculating Land Equivalent Ratios", Journal of Expl. Agric., 18: pp 125 - 138.
  4. Oyejola B.A. (1989), "Transformation of the Land Equivalent Ratios in Analysis of variance Test", Journal Agric. Res., 6: pp 50- 54.
  5. Oyejola B.A. and Mead R. (1989), "On the Standard Errors and other Moments for Ratios of Biological Measurements" Journal of Expl. Agric., 25: pp 475 - 484.
  6. Nwasike C., & Oyejola, B.A. (1989), "Combining Ability for yield and Other Traits in Four Varieties of Pearl Millet", Journal of Agric. Res., 6: pp 3 - 7.
  7. Oyejola B.A. (1990), "Confidence Intervals for staple and Effective LER values", Journal of Expl. Agric. 26: pp 213 - 220.
  8. Oyejola B.A., Riley, J. and Bolton, S. (1998), "A study of Alley-cropping data from Northern Brazil II. A comparison of Methods to estimate sample size", Journal of Agrofoestry systems, 41: pp 167 - 179.
  9. Oyejola B.A. (1999), "An Overview of On-Farm Participatory Trials", Journal of Trop. For Resources, 15(2): pp 76 - 83.
  10. Okoroa*E.O., A.O. Adejumob, B.A. Oyejolab. (2002), "Diabetic care in Nigeria: report of a self-audit", Journal of Diabetes and Its Complications, 16: pp 159 - 164.
  11. Ologe1 F. Emmanuel, Okoro2 Emmanuel and Benjamin A. Oyejola3. (2006), "Environmental Noise Levels in Nigeria: A Report", Journal of Occupational and Environmental Hygiene, 3: pp D19 - D21.
  12. 1Kayode Ayinde and 2B.A. Oyejola. (2007), "A Comparative Study of the Performances of the OLS and Some GLS estimators When Stochastic Regressors are Correlated with the error terms", Journal of Applied Sciences, 2(3): pp 215 - 220.
  13. Akpa, O.M., Oyejola, B.A., Ibrahim, W.M & Akintunde, E.A. (2007). "Modeling HIV/AIDS Epidemics in Nigeria" Using UNAIDS/WHO Approach. 4th IAS Conference on HIV Pathogenesis, Treatment & Prevention. 22-25 July, 2007. Sydney, Australia
  14. T. L. Johnson, K. Ayinde and B. A. Oyejola (2010). "Effect of Correlations and equation Identification Status on Estimators of a System of Simultaneous Equation Model. "Electron. J. App. Stat. Anal. Vol. 3, Issue 2 (2010), 115 – 125.
  15. Fielding, W.J., Riley, J and Oyejola, B.A. (1998). "Ranks are Statistics: "Some Advice for their Interpretation. PLA Notes . 33: 35-39.
  16. Ologe, F.E., Olajide, T.G., Nwawolo, C.C and Oyejola, B.A. (2007). "Deterioration of Noise Induced Hearing Loss among Selected Bottling Industry Workers. "Journal of Laryngology & Otology. 122(8) pp 706-94. Medwell Online.
  17. E. Gayawan, S.B. Adebayo, R.A. Ipinyomi and B.A. Oyejola (2009). "Modeling Fertility Curves in Africa." Demographic Research: Vol.22 Article XX pg 211-236 http://www.demographic-research.org/Volumes/Vol22/10/default.htm
  18. Okoro, E.O. and Oyejola, B.A. (2004). "Inadequate Control of Blood Pressure in Nigerians with Diabetes." Ethnicity & Disease. 14, 82-85.
  19. Okoro, E.O. and Oyejola, B.A. (2005). "Treating High Blood Pressure in Africans with Type 2 Diabetes." Ethnicity & Disease. 14, 160-161
  20. Okoro, E.O. and Oyejola, B.A. (2005). "Long Term Effect of Hydrochlorothazide on Diabetic Control and Blood Pressure in Nigerians." Kuwait Medical Journal. 37 (1), 18-21.
  21. Okoro, E.O., Funsho, S.O., Oyedokun, O.A and Oyejola, B.A (2007). "Effect of Dietary Sucrose Intake on Glycaemic Control in Nigerians with Type 2 Diabetes." Int. J. Clin. Pract. 61(6); pp 916-9
  22. Shehu Jamiu Olumoh and Oyejola Benjamin Agboola (2011). "Comparison of Methods of Estimating Parameters of Linear Regression Models with Autocorrelated Errors and Autoregressive Regressor. "International Journal of Statistics and Systems. 6(3) pp. 327-337
  23. Okoro, E.O., Oyejola, B.A., and Jolayemi, E.T. (2002). "Pattern of Salt Taste Perception and Blood Pressure in Normotensive Offspring of Hypertensive and Diabetic Patients. "Annals of Saudi Medicine, 22(3/4), 249-251.
  24. O. M. Akpa and B. A. Oyejola (2011). "Modeling the Epidemiology and the Transmission of HIV/AIDS in a Heterosexual Population:" Basic Models & Analysis of Local Stability. JP Journal of Biostatistics. Vol 3 No 1 pg 49-71
  25. O. M. Akpa and B. A. Oyejola (2010). "Modeling the transmission dynamics of HIV/AIDS epidemics: "an introduction and a review J Infect Dev Ctries; 4(10):597-608.
  26. Akpa, O.M and Oyejoja B.A. (2008). "Statistical Modelling of HIV/AIDS Epidemic In The North Central Zone Of Nigeria." The Internet Journal of Infectious Diseases.  Vol. 6 No. 2.
  27. K. Ayinde, T.L. Johnson and B.A. Oyejola (2011) "Effect of equation identification status and correlation between error terms on estimators of a system of simultaneous equations model. "Am. J. Sci. Ind. Res., 2(2): 184-190
  28. W. B. Yahya, S. B. Adebayo, E. T. Jolayemi, B. A. Oyejola and O. O. M. Sanni (2008). "Effects of Non-Orthogonality on the Efficiency of Seemingly Unrelated Regression (SUR) Models. "Interstat Journal, May 2008 pp. 1-29
  29. Abiodun, A.A. and Oyejola B. A. (2011). "Effect of Baseline Hazards and Functional Form of Continuous Covariates on Model Misspecification." Asian Journal of Mathematics and Statistics.