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.
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User guides
Handling mode effects in the CLS cohort studies user guide summary (Nov 2024)
A summary to a user guide which provides guidance and recommendations for handling mode effects in CLS’ cohort studies through applied examples, using data from the National Child Development Study (NCDS) and Next Steps.
Date published: 26 November 2024
User guides
MCS User Guide to the Linked Education Administrative Datasets
This user guide accompanies the datasets linking education data to the records of MCS participants based in England.
Version 3 (November 2024)
Date published: 25 November 2024
User guides
Millennium Cohort Study and Welsh Health Data (SAIL) linked health datasets user guide
This user guide describes the data linkage of health administrative records from the Welsh Health Data to survey data for cohort members in the Millennium Cohort Study (MCS).
The Welsh Health Data were provided by SAIL Databank, which contains information about all hospital admissions in Wales.
Date published: 18 November 2024
User guides
Next Steps Age 32 Sweep – User Guide
This user guide provides information about the data arising from the Next Steps Age 32 sweep and supports the deposit of the data at the UK Data Archive.
Date published: 12 September 2024
Technical reports
Next Steps Age 32 Technical Report
This technical report accompanies the Next Steps Age 32 sweep.
Date published: 28 August 2024
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