Published by Oxford University Press on behalf of the International Epidemiological Association International Journal of Epidemiology 2013;42:1678–1685 ß The Author 2013; all rights reserved. doi:10.1093/ije/dyt180 HEALTH AND DEMOGRAPHIC SURVEILLANCE SYSTEM PROFILE Profile: The Mbita Health and Demographic Surveillance System Sheru Wanyua,1* Morris Ndemwa,1 Kensuke Goto,1,2 Junichi Tanaka,1,2 James K’Opiyo,1 Silas Okumu,1 Paul Diela,1 Satoshi Kaneko,1,2 Mohamed Karama,1,4 Yoshio Ichinose1,3 and Masaaki Shimada1,3 1Nagasaki University Institute of Tropical Medicine-Kenya Medical Research Institute Project, Nairobi, Kenya, 2Department of Eco-Epidemiology, Nagasaki University, Nagasaki, Japan, 3Centre for Infectious Disease Research in Asia and Africa, Nagasaki University Institute of Tropical Medicine, Nairobi, Kenya and 4Centre for Public Health Research, Kenya Medical Research Institute, Nairobi, Kenya *Corresponding author. NUITM-KEMRI Project, PO Box 19993, 00202, Nairobi, Kenya. E-mail:
[email protected] Downloaded from Accepted 31 July 2013 The Mbita Health and Demographic Surveillance System (Mbita HDSS), located on the shores of Lake Victoria in Kenya, was estab- http://ije.oxfordjournals.org/ lished in 2006. The main objective of the HDSS is to provide a platform for population-based research on relationships between diseases and socio-economic and environmental factors, and for the evaluation of disease control interventions. The Mbita HDSS had a population of approximately 54 014 inhabit- ants from 11 576 households in June 2013. Regular data are collected using personal digital assistants (PDAs) every 3 months, which in- by guest on September 10, 2015 cludes births, pregnancies, migration events and deaths.