AbstractWhen analysing medical or public health datasets, it may often be of interest to measure the time until a particular pre-defined event occurs, such as death from some disease. As it is known that the health status of individuals living within the same area tends to be more similar than...

Nigeria is one of the countries most affected by the HIV/AIDS pandemic, third only to India and South Africa. With about 10% of the global HIV/AIDS cases estimated to be in the country, the public health and socio-economic implications are enormous.This thesis has two broad aims: the first is to...

Inequalities in health have been demonstrated for over 150 years in Britain, and in recent decades have been the focus of increasing policy attention. However in order to tackle inequalities in health there needs to be a clear understanding of their underlying causes. Unfortunately, the existing...