Centre for Longitudinal Studies

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

NCDS Age 42 / BCS70 Age 30 Questionnaire

Questionnaire for cohort members administered for the NCDS age 42 and BCS70 Age 30 sweeps.

Date published: 1 December 2002

Data notes

NCDS Age 42 and BCS70 Age 30 Data Note 2: Pregnancy Histories

Assessment of combined pregnancy histories of BCS and NCDS when both surveys were conducted between 1999/2000

Date published: 1 December 2002

Data notes

NCDS Age 42 and BCS70 Age 30 Data Note 3: Household Grid Variables

Assessment of combined household grid variables of BCS and NCDS when both surveys were conducted between 1999/2000

Date published: 1 December 2002

Questionnaires and interviewer instructions

NCDS Age 42 / BCS70 Age 30 Questionnaire Appendices

Date published: 1 December 2002

Laboratory procedures

Standard Operating Procedure for Triglycerides

Date published: 1 February 2002

Laboratory procedures

Standard Operating Procedure for IGF1

Date published: 1 February 2002

Laboratory procedures

Standard Operating Procedure for HDL cholesterol

Date published: 1 February 2002

Laboratory procedures

Standard Operating Procedure for specific IGE

Date published: 12 December 2001

Laboratory procedures

Standard Operating Procedure for HbA1c using the TOSOH A1c2.2

Date published: 1 November 2001

Technical reports

NCDS Age 42 / BCS70 Age 30 Technical Report

Technical report on the NCDS age 42 and BCS70 Age 30 sweeps.

Date published: 1 September 2001