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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Questionnaires and interviewer instructions

BCS70 Age 46 Biomedical Sweep: interview questionnaire (draft)

Draft version of the questionnaire used in the age 46 interview.


Date published: 1 August 2017
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Questionnaires and interviewer instructions

BCS70 Age 46 Biomedical Sweep: self-completion questionnaire (draft)

Draft version of the self-completion questionnaire, completed by cohort members for the 46 sweep.


Date published: 1 August 2017
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User guides

BCS70 Activity Histories (1986-2013) Guide


Date published: 1 July 2017
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User guides

BCS70 Partnership Histories (1986-2013) Guide


Date published: 1 October 2016
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User guides

NCDS and BCS70 Twin Sub-Study user guide


Date published: 1 September 2016
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Data notes

BCS70 Childhood Cognition

An overview of cognitive tests cohort members took at ages 5, 10 and 16


Date published: 1 November 2014
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Ethical review and consent

BCS70 ethical review and consent


Date published: 7 July 2014
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User guides

BCS70 Age 5 Developmental Histories User Guide

User Guide to the BCS Developmental History Data


Date published: 1 July 2014
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User guides

BCS70 Age 10 Audiogram data User Guide

This document provides a brief guide to the Audiogram data obtained for 14,903 subjects of the 1970 British Cohort Study (BCS70) during the 10-year follow-up in 1980


Date published: 1 March 2014
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User guides

BCS70 Age 42 User Guide

User guide for the BCS70 age 42 survey dataset


Date published: 1 February 2014
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Derived variables

BCS70 Revised Region Variables (Third Edition)

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: 1 February 2014
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Data notes

BCS70 Review of Research on Health Behaviours

Review of research using information from the childhood waves of BCS70 (birth to 16 years) as either health outcomes or as predictors of later health outcomes.


Date published: 1 October 2013
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Centre for Longitudinal Studies
UCL Institute of Education

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London WC1H 0AL

Email: clsfeedback@ucl.ac.uk