Documentation

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.

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User guides

NCDS Hospital Episode Statistics (HES) User Guide

This guide describes the data linkage of health administrative records from the Hospital Episode Statistics (HES) to survey data for cohort members in the National Child Development Study (NCDS).


Date published: 1 September 2022
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User guides

Bristol Social Adjustment Guide Forms at ages 7 and 11 – User Guide

This document has been prepared to accompany the deposit with the UK Data Service at the University of Essex, of all available completed Bristol Social Adjustment Guide forms collected in sweeps 1 and 2 of the National Child Development Study when cohort members were seven years old in 1965 and eleven years old in 1969.


Date published: 3 March 2022
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User guides

Handling missing data in the National Child Development Study – 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: 12 July 2021
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User guides

NCDS Age 44 User Guide to the Biomedical Dataset

User Guide to the Age 44 Biomedical Sweep of NCDS


Date published: 16 December 2020
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User guides

Partnership Histories Guide (1974-2013)


Date published: 1 November 2017
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User guides

Activity Histories Guide (1974-2013)


Date published: 1 October 2016
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User guides

NCDS Age 55 Survey User Guide

User Guide for the 2013 follow-up to NCDS when participants were age 55


Date published: 1 February 2015
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User guides

NCDS Perinatal Mortality Survey User Guide: Additional Variables

Guide to additional variables deposited for NCDS PMS in 2014


Date published: 1 July 2014
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Data notes

Is there scope for harmonisation of the National Child Development Study and the English Longitudinal Study of Ageing?

This report explores the potential in harmonising elements of a prospective birth cohort study (NCDS) and a panel study of older people that includes a retrospective life history module (ELSA).


Date published: 1 July 2014
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Ethical review and consent

NCDS Ethical Review and Consent

Review of the ethical practices throughout NCDS


Date published: 2 June 2014
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Technical reports

NCDS Age 55 Technical Report

Technical Report for the Age 55 sweep of NCDS


Date published: 1 May 2014
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Questionnaires and interviewer instructions

NCDS Age 55 Questionnaire Documentation

Paper representation of the CATI and CAWI interviews conducted for the age 55 sweep of NCDS


Date published: 1 May 2013
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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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