UNIVERSITY OF KWAZULU NATAL Statistical Models to Understand Factors Associated with Under-five Child Mortality in Tanzania By Welcome Jabulani Dlamini A Thesis Submitted in Fulfilment of The Requirements of The Degree for MASTER OF SCIENCE in STATISTICS under the supervision of Dr SF Melesse and Prof HG Mwambi School of Mathematics, Statistics and Computer Science Pietermaritzburg Campus July 13, 2016