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The Kagera Health and Development Survey (KHDS) is a study into the long-run wealth dynamics of households and individuals within North West Tanzania. This study entails the resurvey of a panel of households, originally interviewed for 4 rounds from 1991 to 1994. Resurveys were then organised in 2004 and 2010. A multi-topic household questionnaire is administered to all split-off households originating from the baseline households, including those that have moved out of the baseline location.
This constitutes one of the longest-running (if not the longest) African panel data set of this nature and offers an unprecedented set of research opportunities for examining long-run (nearly 20 years) and intergenerational (as the children of the original respondents have now formed their own households) trends in and mechanisms of poverty persistence and economic growth in rural households. Interviewing people who moved out of their baseline location is important for understanding how migration and economic development interlink. Finally, of note to survey innovation, the 2010 round of the survey was conducted using electronic survey questionnaires administered on handheld computers. Caeyers et al. (2010) do a detailed, formal comparison of electronic versus paper-based data collection methods, through a randomized survey experiment.
KHDS has maintained a highly successful tracking rate. The table below shows that in 2010 88% of the original 6353 respondents had either been located and interviewed, or, if deceased, sufficient information regarding the circumstances of their death collected.
Table: Status of the 6353 original respondents
2004 |
2010 |
|
| interviewed | 4430 (70%) | 4336 (68%) |
| deceased | 961 (15%) | 1275 (20%) |
| untraced | 962 (15%) | 742 (12%) |
| TOTAL | 6353 (100%) | 6353 (100%) |
The KHDS 2010 was primarily funded by the Rockwool Foundation and the World Bank, with additional funds provided by the Hewlett Foundation through the Agence Inter-établissements de Recherche pour le Développement (AIRD). The 2004 round was funded by the Knowledge for Change Partnership Trust Fund at the World Bank and DANIDA.The baseline 1991-1994 KHDS was funded by the World Bank Research Committee.
The full 13-year panel data set (1991-2004), its questionnaires and a basic information document for data users are now publicly available. Public release of the data and questionnaires of the 2010 round is expected for summer 2012.
Go to the 1991-94 data download site
Go to the 2004 data download site
More information on the 1991-1994 and 2004 surveys can be found in the following two documents
User's Guide to the KHDS Datasets
KHDS Basic Information Document
This document compares the KHDS sample to the HBS (see Basic Information Document for a comparison with CWIQ):
Researchers using the data may benefit from the following additional constructed data sets:
Price, Consumption and Assets Aggregates (1991-2004)
GPS data 2004: distance of KHDS communities to Rwanda border (from Javier Baez)
GPS data 2004: distance of KHDS communities to refugee camps (from Jean-Francois Maystadt)
GPS data 2004: elevation data for all markets, schools, community centers and households in KHDS
If the data you are looking for is not in this list, then try here: http://openmicrodata.wordpress.com/
