Documentation

Here you will find all the documentation for our 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.

  • National Child Development Study
  • 1970 British Cohort Study
  • Next Steps
  • Millennium Cohort Study
  • COVID Social Mobility & Opportunities study
  • Growing Up in the 2020s study
  • Growing up in Digital Europe
  • Children of the 2020s study
  • Early Life Cohort Feasibility Study
  • Generation New Era
  • linkage
  • Coding frames
  • Data notes
  • Derived variables
  • Ethical review and consent
  • Laboratory procedures
  • Questionnaires and interviewer instructions
  • Showcards
  • Survey reports
  • Technical reports
  • User guides

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Questionnaires and interviewer instructions

Next Steps Age 32 Online Short Mop-up Questionnaire

This questionnaire was given to non-response participants of the Next Steps Age 32 Sweep.

Date published: 17 July 2024

User guides

Handling missing data in the CLS cohort studies – User Guide

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: 3 June 2024

test

Date published: 11 March 2024

User guides

NCDS Proteomics User Guide

Date published: 1 March 2024

Survey reports

Incorporating stakeholder findings into the design of the Early Life Cohort Feasibility Study

Date published: 29 February 2024

Survey reports

Early Life Cohort Feasibility Study: Participant materials appendices

Date published: 28 February 2024

Survey reports

Early Life Cohort Feasibility Study: Branding and name consultation report

Findings from IFF Research focus groups on Early Life Cohort Feasibility Study brand and taking part in a birth cohort study.

Date published: 16 February 2024

Survey reports

Early Life Cohort Feasibility Study: Participant materials report

This report details findings from qualitative research that set out to understand views towards the Early Life Cohort Participant Study engagement materials and key study processes to contribute to their development.

Date published: 15 February 2024

Survey reports

Early Life Cohort Feasibility Study: Qualitative research findings

CLS commissioned Ipsos MORI to carry out qualitative research amongst the following two groups to understand barriers and enablers to potential Early Life Cohort Feasibility Study participation: own household fathers (OHFs) and low-income families (LIFs).

Date published: 15 February 2024

Survey reports

Early Life Cohort Feasibility Study: Findings from NCB meetings

Findings from meetings of the National Children’s Bureau’s Family Research Advisory Group and Youth Research Advisors about the Early Life Cohort Feasibility Study.

Date published: 15 February 2024

Contact us

Centre for Longitudinal Studies
UCL Social Research Institute

20 Bedford Way
London WC1H 0AL

Email: clsdata@ucl.ac.uk

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