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CARD AA
Please hand the card to the respondent and ask them to tell you the answer.
Universe
Adults aged 16-74 in England, Scotland and Wales, 2010-2012.;National
Sampling
Multi-stage stratified random sample
Study Type
Repeated cross-sectional study; The first survey was conducted in 1990-1991 and the second in 2000; the third wave was conducted between 2010 and 2012, and consisted of the main survey and an online follow-up.