Johnston, F., Rosato, M. & Catney, G. (2010) NILS Working Paper, 1. NILS-RSU, Queens University Belfast. 1 September 2010. [NILS]

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The Northern Ireland Longitudinal Study (NILS) is a large‐scale, representative, data‐ linkage study of c. 28% (approximately 500,000 people) of the Northern Ireland population. The NILS has been created by linking demographic data from the Northern Ireland Health Card Registration system to the 2001 Census returns and to administrative data from various sources. These include vital events registered with the General Register Office for Northern Ireland and Health Card Registration system migration events data. There also exists a second study, the Northern Ireland Mortality Study (NIMS), which is based on the 2001 Census returns for the whole enumerated population (approximately 1.6 million people) to which subsequent registered deaths are linked.

Both the NILS and the NIMS can be supplemented by linking the Land and Property Services Northern Ireland properties database data (based on the capital value of houses and property attributes), geographical indicators and contextual area characteristics such as settlement classifications1 and deprivation measures2 supplied by the Northern Ireland Statistics and Research Agency (NISRA). ...

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