History, organisation and quality of data

A reference source containing methodological, quality and linkage details for the Longitudinal Study. Covers the development of the study up to the 1991 Census, and includes sections on data sources and scope for analysis and methodology.

Longitudinal Study 1971-1991: chapters

Introduction 104 Kb Pdf document

History and scope of the OPCS Longitudinal Study 391.3 Kb Pdf document

Methodology and organisation of the OPCS Longitudinal Study 96.8 Kb Pdf document

Census data sources and use of census data 346.7 Kb Pdf document

The Census-LS link 184 Kb Pdf document

Linkage of event data within the Longitudinal Study 105.9 Kb Pdf document

The quality of event sampling and linkage within the Longitudinal Study 265.2 Kb Pdf document

Tracing rates 190.2 Kb Pdf document

Sampling fractions 119.8 Kb Pdf document

Appendices I and Ia (1971 Census forms) 456.5 Kb Pdf document

Appendices II and IIa (1981 Census forms) 509.3 Kb Pdf document

Appendices III and IIIa (1991 Census forms) 1.55 Mb Pdf document

Appendix IV - 1971 Census: definitions and concepts 2.43 Mb Pdf document

Appendix V - 1981 Census: definitions and concepts 1.91 Mb Pdf document

Appendix VI - 1991 Census: definitions and concepts 3.05 Mb Pdf document

Appendices VII to XII (various registration and notification forms) 200.1 Kb Pdf document

Appendix XIII - Tracing history indicators 25.6 Kb Pdf document

Appendix XIV - Other quality issues 29.4 Kb Pdf document

Appendix XV - List of publications 161.8 Kb Pdf document