For participants who were resident in England, Wales or Scotland this field contains 2011 local authority district of each participant's home address at baseline.
Office for National Statistics, 2011 Census: Digitised Boundary Data (England and Wales) [computer file]. UK Data Service Census Support. Downloaded from: https://borders.ukdataservice.ac.uk/
National Records of Scotland, 2011 Census: Digitised Boundary Data (Scotland) [computer file]. UK Data Service Census Support. https://borders.ukdataservice.ac.uk/
The information is licensed under the terms of the Open Government Licence: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3 If you are using these data in your analyses please ensure you abide by the licence terms.