Why the Longitudinal Study was set up, how it has evolved, how the sample is drawn, and how the data are linked.
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The need for a Longitudinal Study
The study was set up in the 1970s to meet the need for better data on mortality rates by occupation and fertility patterns
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How the LS sample was selected
The history behind how the original sample for the Longitudinal Study (LS) was selected, plus the history of the LS in Scotland
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Updating the LS data with events data
How the Longitudinal Survey is continuously updated to take into account births, deaths and migrations
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The role of the NHS Central Register
About the role, purpose and history of the NHS Central Register (NHSCR), and its relevance to the Longitudinal Study (LS)
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Linking census data to the LS
How data from the decennial Census is linked with the Longitudinal Study (LS)
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Linking events data with the LS
Registered events are also linked to LS members
