Our studies
Here you will find all the documentation for our four studies. This includes survey questionnaires, interviewer instructions, showcards, technical reports, survey reports, and derived variables. For more information, take a look at our guide to the different documentation types.
Self-completion booklet 2 for age 44 biomedical sweep of NCDS
Self-completion booklet for the NCDS Age 44 Biomedical sweep
Questionnaire for cohort members administered for the NCDS age 42 and BCS70 Age 30 sweeps.
Assessment of combined pregnancy histories of BCS and NCDS when both surveys were conducted between 1999/2000
Assessment of combined household grid variables of BCS and NCDS when both surveys were conducted between 1999/2000
Find the latest developments and insights from across all our longitudinal studies.
Our bibliography is a searchable database of published work based on our cohort studies. Search by keyword, author, date range and journal.
Data from our studies are mainly available through the UK Data Service. We run training to support researchers who are interested in using our studies in their work.
Centre for Longitudinal Studies
UCL Social Research Institute
20 Bedford Way
London WC1H 0AL
Email: clsdata@ucl.ac.uk
