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Location of units of observation: National;Population: Private households in Northern Ireland.
Sampling
Multi-stage stratified random sample;The CHS is based on a systematic random sample of addresses drawn each year from the Land and Property Services Agency’s (LPSA) list of domestic addresses. The LPSA addresses are sorted by district council and ward, so the sample is effectively stratified geographically. Data is collected by personal interview using CAPI, and the interviews are spread equally over the 12 months from April to March.
Study Type
Repeated cross-sectional study; Data are collected annually
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