Abstract:
Mrs. Adeline Kapella, the program administrator is highly appreciated for moral support
and good cooperation I received from her. Dr Oberlin Kisanga (DHS/GTZ) is also
sincerely acknowledged for his encouragement he gave to me during my study. Mr Juma
Almasi Mombo my roommate whom we shared sleepless nights during the whole period
of my stay at MUCHS is also highly appreciated for his kind cooperation.
Last but not least I would like to give my appreciation to my research assistants, Mr.
Mukoba, and Ms. Muzale for their good cooperation and commitment to this work. I
also thank Ms. Mtumwa (Department of Epidemiology and Biostatistics) for her
secretarial work during the initial writing up of this dissertation. It is acknowledged that
any errors made in this work solely remain the responsibility of the author.
