| Dates | November 1999 – September 2000 |
|---|---|
| Age | 29-30 |
| Achieved sample | 11,261 (cohort members) |
| Respondents | Cohort members |
| Fieldwork agency | NatCen Social Research |
| Survey mode | Face to face |
| Data access | |
| Description |
This user guide aims to describe and illustrate a straightforward approach to missing data handling, while detailing some more general considerations around missing data along the way.
Date published: 03/06/2024
PDF: 1000,62 KB
Technical report on the NCDS age 42 and BCS70 Age 30 sweeps.
Date published: 01/09/2001
PDF: 1,21 MB
Appendices for the technical report on the NCDS age 42 and BCS70 Age 30 sweeps.
Date published: 01/09/2001
PDF: 2,24 MB
Assessment of combined pregnancy histories of BCS and NCDS when both surveys were conducted between 1999/2000
Date published: 01/12/2002
PDF: 436,93 KB
Assessment of combined household grid variables of BCS and NCDS when both surveys were conducted between 1999/2000
Date published: 01/12/2002
PDF: 592,55 KB
This Data Note explains the derivation of variables on Highest Educational Qualification obtained by cohort members in the National Child Development Study (NCDS) and the 1970 British Cohort Study (BCS70).
Date published: 01/01/2011
PDF: 514,11 KB
This User Guide accompanies the deposits at the UK Data Archive of derived variables for each sweep of BCS70. These derived variable datasets are found under the study number for each of the sweeps and include variables for country of interview, region and government office regions.
Date published: 01/02/2014
PDF: 307,78 KB
Review of Ethical procedures used for each Sweep of BCS70.
Date published: 01/01/2019
PDF: 4,18 MB
A 2013 research paper by two academics at the Centre for Longitudinal Studies on the beneficial effects of reading for pleasure in childhood has attracted a remarkable amount of interest from schools, libraries and literacy organisations around the world.
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Generation X suffers poorer mental health in mid-life than the Baby Boomers before them, according to new research from the UCL Institute of Education (IOE).
This research project uses evidence from all four of our cohort studies to investigate the short- and long-term health impacts of alcohol.
Find the latest developments and insights from across all our longitudinal studies.
The CLS 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
Our studies
