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Publications 2021

Authors  Institution  Title
 Link
Tobias F. Chirwa1, Zvifadzo Matsena Zingoni, Pascalia Munyewende1, Samuel O. Manda1-4, Henry Mwambi3, Ngianga-Bakwin Kandala1, Samson Kinyanjui5, Taryn Young, Eustasius Musenge1, Jupiter Simbeye, Patrick Musonda8, Michael Johnson Mahande9, Patrick Weke, Nelson Owuor Onyango, Lawrence Kazembe11, Nazarius Mbona Tumwesigye, Khangelani Zuma1,13, Nonhlanhla Yende-Zuma, Marie-Claire Omanyondo Ohambe15, Emmanuel Nakua Kweku, Innocent Maposa1, Birhanu Ayele, Thomas Achia17, Rhoderick Machekano6, Lehana Thabane18, Jonathan Levin1, Marinus J.C. Eijkemans19, James Carpenter20, Charles Chasela, Kerstin Klipstein-Grobusch, Jim Todd DELTAS Africa SSACAB Developing excellence in biostatistics leadership, training and science in Africa: How the Sub-Saharan Africa Consortium for Advanced Biostatistics (SSACAB) training unites expertise to deliver excellence [Link]
Jonathan A. Abuga. Symon M. Kariuki, Samson M. Kinyanjui, Michael Boele van Hensbroek and Charles R. Newton Frontiers in Neurology, doi: 10.3389/fneur.2021.627824 Premature Mortality, Risk Factors, and Causes of Death Following Childhood-Onset Neurological Impairments: A Systematic Review
Collins Okoyo, Graham Medley, Charles Mwandawiro and Nelson Onyango Frontiers in Public Health. doi: 10.3389/fpubh.2021.637866 Modeling the Interruption of the Transmission of Soil-Transmitted Helminths Infections in Kenya: Modeling Deworming, Water, and Sanitation Impacts
Innocent B. Mboya, Michael J. Mahande3, Joseph Obure3, Henry G. Mwambi Plos One. 16(4): e0249411 Predictors of singleton preterm birth using multinomial regression models accounting for missing data: A birth registry-based cohort study in northern Tanzania
Chidumwa G, Maposa I, Kowal P, Micklesfield LK, Ware LJ 2021 Jan 5;18(1):359. doi: 10.3390/ijerph18010359. PMID: 33466566; PMCID: PMC7796507. Bivariate Joint Spatial Modeling to Identify Shared Risk Patterns of Hypertension and Diabetes in South Africa: Evidence from WHO SAGE South Africa Wave 2. Int J Environ Res Public Health
Musheiguza, E., Mahande, M.J., Malamala, E. et al. Int J Equity Health 20, 46 (2021) Inequalities in stunting among under-five children in Tanzania: decomposing the concentration indexes using demographic health surveys from 2004/5 to 2015/6 [Link]
Barry, Thierno S., Oscar Ngesa, Nelson O. Onyango, and Henry Mwambi. International Journal of Environmental Research and Public Health 18, no. 12: 6447 Bayesian Spatial Modeling of Anemia among Children under 5 Years in Guinea [Link]
Kennedy Mwai, Nelson Kibinge, James Tuju, Gathoni Kamuyu, Rinter Kimathi, James Mburu, Emily Chepsat, Lydia Nyamako, Timothy Chege, Irene Nkumama, Samson Kinyanjui, Eustasius Musenge, Faith Osier, protGear Computational and Structural Biotechnology Journal, Volume 19, 2021, Pages 2518-2525, ISSN 2001-0370 A protein microarray data pre-processing suite [Link]
Gachau, Susan & Njagi, Edmund & Onyango, Nelson & Mwaniki, Paul & English, Mike & Sarguta, Rachel Journal of Applied Statistics. 10.1080/02664763.2021.1895087 Handling missing data in a composite outcome with partially observed components: Simulation study based on clustered paediatric routine data
Okoyo, C., Campbell, S. J., Owaga, C., Onyango, N., Medley, G., & Mwandawiro, C. The American Journal of Tropical Medicine and Hygiene, 104(6), 2251-2263 Statistical Regression Model of Water, Sanitation, and Hygiene; Treatment Coverage; and Environmental Influences on School-Level Soil-Transmitted Helminths and Schistosome Prevalence in Kenya: Secondary Analysis of the National Deworming Program Data [Link]
Okoyo, C., Campbell, S. J., Minnery, M., Owaga, C., Onyango, N., Medley, G., & Mwandawiro, C. Frontiers in Public Health, 9:645522. doi:10.3389/fpubh.2021.645522 Prevalence and Correlation Analysis of Soil-Transmitted Helminths Infections and Treatment Coverage for Preschool and School Aged Children in Kenya: Secondary Analysis of the National School Based Deworming Program Data [Link]

Publications 2020

Authors  Institution  Title
 Link
Gatabazi, P., S.F. Melesse, and S. Ramroop BMC Pediatrics, 2020. 20(1): p. 62 Comparison of three classes of Marginal Risk Set Model in predicting infant mortality among newborn babies at Kigali University Teaching Hospital, Rwanda, 2016 [Link]
Batidzirai, J.M., et al. Frontiers in Psychology, 2020. 11(154) Discrete Survival Time Constructions for Studying Marital Formation and Dissolution in Rural South Africa [Link]
Joseph Ouma, Caroline Jeffery, Joseph J. Valadez, Rhoda K. Wanyenze, Jim Todd & Jonathan Levin AIDS Care, DOI: 10.1080/09540121.2020.1734179 Difference in HIV prevalence by testing venue: results from population level survey in Uganda
Mosha, N.R., Aluko, O.S., Todd, J. et al. BMC Med Res Methodol 20, 65 (2020) Analytical methods used in estimating the prevalence of HIV/AIDS from demographic and cross-sectional surveys with missing data: a systematic review [Link]
Ouma, J., Jeffery, C., Valadez, J.J. et al. BMC Public Health 20, 379 (2020) Combining national survey with facility-based HIV testing data to obtain more accurate estimate of HIV prevalence in districts in Uganda [Link]
Gachau, S., Quartagno, M., Njagi, E. N., Owuor, N., English, M., & Ayieko, P. Statistical Methods in Medical Research Handling missing data in modelling quality of clinician-prescribed routine care: Sensitivity analysis of departure from missing at random assumption
Zelalem G. Dessie,Temesgen Zewotir, Henry Mwambi, Delia North Infect Dis Ther Modeling Viral Suppression, Viral Rebound and State-Specific Duration of HIV Patients with CD4 Count Adjustment: Parametric Multistate Frailty Model Approach [Link]
Lawrence Lubyayi 1,2*†, Patrice A. Mawa1,3†, Grace Nabakooza1, Marjorie Nakibuule1, John Vianney Tushabe1, Joel Serubanja1, Dorothy Aibo1, Hellen Akurut 1, Josephine Tumusiime1, Mateusz Hasso-Agopsowicz 4, Pontiano Kaleebu1,3,Jonathan Levin2, Hazel M. Dockrell 4, Steven Smith5, Emily L. Webb6, Alison M. Elliott 1,7 and Stephen Cose1,7 Frontiers in Immunology. doi: 10.3389/fimmu.2020.00929 Maternal Latent Mycobacterium tuberculosis Does Not Affect the Infant Immune Response Following BCG at Birth: An Observational Longitudinal Study in Uganda
Zelalem Dessie, Z.G., Zewotir, T., Mwambi, H. et al. BMC Public Health 20, 416 Modelling immune deterioration, immune recovery and state-specific duration of HIV-infected women with viral load adjustment: using parametric multistate model [Link]
Dessie Zelalem.G., Zewotir, T., Mwambi, H. et al. BMC Infect Dis 20, 246 Modelling of viral load dynamics and CD4 cell count progression in an antiretroviral naive cohort: using a joint linear mixed and multistate Markov model [Link]
Zelalem G. Dessie, Temesgen Zewotir1, Henry Mwambi1 and Delia North1 Multivariate multilevel modeling of quality of life dynamics of HIV infected patients. Health and Quality of Life Outcomes
Twabi, H.S., Manda, S.O. & Small, D.S. BMC Public Health 20, 974 Assessing the effects of maternal HIV infection on pregnancy outcomes using cross-sectional data in Malawi [Link]
Dessie, Z.G., Zewotir, T., Mwambi, H. et al. Theor Biol Med Model 17, 10 Modelling HIV disease process and progression in seroconversion among South Africa women: using transition-specific parametric multi-state model [Link]
Dessie, Z.G., Zewotir, T., Mwambi, H. et al. BMC Infect Dis 20, 447 Multilevel ordinal model for CD4 count trends in seroconversion among South Africa women [Link]
Mohammed M., Mwambi H. and Omolo B. Current Bioinformatics (2020) 15:1 Colorectal cancer classification and survival analysis based on integrated RNA and DNA molecular signature [Link]
Matsena Zingoni Z, Chirwa T, Todd J, et al. BMJ Open 2020;10:e036136. doi:10.1136/ bmjopen-2019-036136 Competing risk of mortality on loss to follow-up outcome among patients with HIV on ART: a retrospective cohort study from the Zimbabwe national ART programme
Chidumwa G, Maposa I, Corso B, et al BMJ Open 2021;11:e041604. doi: 10.1136/bmjopen-2020-041604 Identifying co-occurrence and clustering of chronic diseases using latent class analysis: cross-sectional findings from SAGE South Africa Wave 2
Yirga, A.A., Melesse, S.F., Mwambi, H.G. and Ayele, D.G. African Health Sciences, 20(4), pp.1546-61 Modelling CD4 counts before and after HAART for HIV infected patients in KwaZulu-Natal South Africa [Link]
Yirga, A.A., Melesse, S.F., Mwambi, H.G. and Ayele, D.G. PMID: 33028929 PMCID: PMC7541535 DOI: 10.1038/s41598-020-73883-7 Negative binomial mixed models for analyzing longitudinal CD4 count data. Scientific reports, 10(1), pp.1-15 [Link]

Publications 2019

Authors  Institution  Title
 Link
Gachau, S., Owuor, N., Njagi, E. N., Ayieko, P., & English, M. Frontiers in public health, 7, 198. doi:10.3389/fpubh.2019.00198 Analysis of Hierarchical Routine Data With Covariate Missingness: Effects of Audit & Feedback on Clinicians' Prescribed Pediatric Pneumonia Care in Kenyan Hospitals [Link]
Yirga, A. A., Mwambi, H. G., Ayele, D. G., & Melesse, S. F. African health sciences Factors affecting child malnutrition in Ethiopia [Link]
Ronald Fisa, Chola Nakazwe, Charles Michelo1, Patrick Musonda The Open Public Health Journal. DOI: 10.2174/1874944501912010068, 12, 68-77 Modelling Deaths Associated with Road Traffic Accidents and other Factors on Great North Road in Zambia between the Years 2010 and 2016 Using Poisson Models [Link]
Mwiche Musukuma, Brian Sonkwe, Isaac Fwemba and Patrick Musonda The Open Public Health Journal. DOI: 10.2174/1874944501912010045, 12: 45- 55 The Use of Multiple Imputation Techniques on Short-Term Clinical Complications of Patients Presenting with Traumatic Spinal Cord Injuries [Link]
Mutale Sampa, Choolwe Jacobs and Patrick Musonda The Open Public Health Journal. DOI: 10.2174/1874944501811010507, 11:507-517 Effect of Cash Transfer on School Dropout Rates using Longitudinal Data Modelling: A Randomized Trial of Research Initiative to Support the Empowerment of girls (RISE) in Zambia [Link]
Jahanpour, O., Msuya, S.E., Todd, J. et al. BMC Pregnancy Childbirth 18, 471 (2018) doi:10.1186/s12884- 018-2104-7 Increasing trend of exclusive breastfeeding over 12?years period (2002–2014) among women in Moshi, Tanzania [Link]
Nyasulu, P. S., Ngamasana, E., & Kandala, N.-B. Global Pediatric Health Sources of Health Care Among Under-5 Malawian Children With Diarrhea Episodes: An Analysis of the 2017 Demographic and Health Survey [Link]
Kandala, N., Shell-Duncan, B. Int J Equity Health 18, 25 (2019) doi:10.1186/s12939-018-0907-9 Trends in female genital mutilation/cutting in Senegal: what can we learn from successive household surveys in sub-Saharan African countries?. [Link]
Stanley, C.C., Kazembe, L.N., Mukaka, M. et al. Malar J 18, 254 (2019) doi:10.1186/s12936-019-2885-9 Systematic review of analytical methods applied to longitudinal studies of malaria [Link]
Stanley, C. C., Kazembe, L. N., Buchwald, A. G., Mukaka, M., Mathanga, D. P., Hudgens, M. G.,Chirwa, T. F. Journal of medical statistics and informatics, 7, 1. doi:10.7243/2053-7662-7-1 Joint modelling of time-to-clinical malaria and parasite count in a cohort in an endemic area [Link]
Abuga, J.A., et al. The Lancet Global Health Premature mortality in children aged 6–9 years with neurological impairments in rural Kenya [Link]
Yirga, Ashenafi & Mwambi, Henry & Ayele, Dawit & Melesse, Sileshi. African Health Sciences. 19. 1897. 10.4314/ahs.v19i2.13 Factors affecting child malnutrition in Ethiopia [Link]
Ashenafi Argaw Yirga, Sileshi Fanta Melesse, Dawit Getnet Ayele and Henry Mwambi J Hum Ecol, 66(1-3): 1-11. DOI: 10.31901/24566608.2019/66.1-3.3142 The Use of Complex Survey Design Models to Identify Determinants of Malnutrition in Ethiopia [Link]
Gatabazi, Paul & Melesse, S. & Ramroop, S. The Open Public Health Journal. 11. 464-473. DOI: 10.2174/1874944501811010464 Multiple Events Model for the Infant Mortality at Kigali University Teaching Hospital [Link]
Paul Gatabazi, Sileshi Fanta Melesse and Shaun Ramroop The Open Public Health Journal 12: 136- 144. DOI: 10.2174/1874944501912010136 Resampled Cox Proportional Hazards Models for Infant Mortality at the Kigali University Teaching Hospital [Link]
Paul Gatabazi, Sileshi Fanta Melesse and Shaun Ramroop Vol 33, No 2 DOI: https://doi.org/10.11564/33-2-1382 Infant mortality at the Kigali University Teaching Hospital: Application of Aalen additive hazards model and comparison with other classical survival models [Link]
Matsena Zingoni Z, Chirwa TF, Todd J, Musenge E Frontiers in Public Health. 2019;7:1–15. doi: 10.3389/fpubh.2019.00326 HIV Disease Progression Among Antiretroviral Therapy Patients in Zimbabwe : A Multistate Markov Model [Link]
Matsena Zingoni Z, Chirwa TF, Todd J, Musenge E. International Journal of Statistics and Applications. 2019;8:98–113 Spatial Heterogeneity of Viral Suppression and Viral Rebound Patterns among ART Patients in Zimbabwe from 2004 to 2017 : A Bayesian Mixed Effects Multistate Model [Link]
Wambui, K.M., Musenge, E. BMC Nutr 5, 32 (2019) A space-time analysis of recurrent malnutrition-related hospitalisations in Kilifi, Kenya for children under-5 years [Link]
Achilonu OJ, Fabian J, Musenge E. Front Public Health. 2019;7:201. Published 2019 Jul 25 Modeling Long-Term Graft Survival With Time-Varying Covariate Effects: An Application to a Single Kidney Transplant Centre in Johannesburg, South Africa [Link]
Birri Makota R, Musenge E. Front Public Health. 2019;7:262. Published 2019 Sep 18 Factors Associated With HIV Infection in Zimbabwe Over a Decade From 2005 to 2015: An Interval-Censoring Survival Analysis Approach [Link]
Gatabazi, P., S.F. Melesse, and S. Ramroop BMC Pediatrics, 2020. 20(1): p. 62 Comparison of three classes of Marginal Risk Set Model in predicting infant mortality among newborn babies at Kigali University Teaching Hospital, Rwanda, 2016 [Link]
Batidzirai, J.M., et al. Frontiers in Psychology, 2020. 11(154) Discrete Survival Time Constructions for Studying Marital Formation and Dissolution in Rural South Africa [Link]
Dedefo, M., Mwambi, H., Fanta, S., & Assefa, N. Geospatial Health, 13(2) Spatiotemporal mapping and detection of mortality cluster due to cardiovascular disease with Bayesian hierarchical framework using integrated nested Laplace approximation: A discussion of suitable statistic applications in Kersa, Oromia, Ethiopia [Link]
Joseph Ouma, Caroline Jeffery, Joseph J. Valadez, Rhoda K. Wanyenze, Jim Todd & Jonathan Levin AIDS Care, DOI: 10.1080/09540121.2020.1734179 Difference in HIV prevalence by testing venue: results from population level survey in Uganda
Mosha, N.R., Aluko, O.S., Todd, J. et al. BMC Med Res Methodol 20, 65 (2020) Analytical methods used in estimating the prevalence of HIV/AIDS from demographic and cross-sectional surveys with missing data: a systematic review [Link]
Ouma, J., Jeffery, C., Valadez, J.J. et al. BMC Public Health 20, 379 (2020) Combining national survey with facility-based HIV testing data to obtain more accurate estimate of HIV prevalence in districts in Uganda [Link]

Publications 2018

Authors  Institution  Title
 Link
Jahanpour, O., Msuya, S.E., Todd, J. et al. BMC Pregnancy Childbirth 18, 471 (2018) doi:10.1186/s12884- 018-2104-7 Increasing trend of exclusive breastfeeding over 12?years period (2002–2014) among women in Moshi, Tanzania [Link]
Nyasulu, P. S., Ngamasana, E., & Kandala, N.-B. Global Pediatric Health Sources of Health Care Among Under-5 Malawian Children With Diarrhea Episodes: An Analysis of the 2017 Demographic and Health Survey [Link]
Kandala N-B, Ezejimofor MC, Uthman OA, Komba P BMJ Glob Health 2018;0: e000549. doi:10.1136/bmjgh-2017-000549 Secular trends in the prevalence of Female Genital Mutilation/Cuttings among girls: a systematic analysis
Kandala N-B and Komba P. Springer Science, ISBN 978-3-319-78007-8, 2018 Female Genital Mutilation around the world: Analysis of medical aspects, Law and Practice
Yirga, A.A., Ayele, D.G. and Melesse, S.F. The Open Public Health Journal, 11(1). DOI: 10.2174/1874944501811010221 Application of quantile regression: Modeling body mass index in Ethiopia