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What data are included?
A variety of administrative data are linked in the SLS including data from the 1991 and 2001 Censuses, vital events (births, deaths, marriages etc.) and migration data. Information from health datasets held by the Information Services Division (ISD) of the Scottish NHS (cancer registrations and hospital admissions) can be linked to the SLS on request.
An important aspect of the data that are collected relates to SLS sample members and those who live in their households at the time of each census. SLS sample members are those who have one of the 20 birthdays included in this study. For this group, data from the 1991 and 2001 Census are linked together. Information is collected about those living in the same household at the time of the census, but the data from subsequent censuses are not linked together for these people. Also, the vital events and health data are only linked to the SLS sample members, not their household members. Thus, for many studies, the SLS sample members are of most interest, although variables which describe those living in their household at the time of the censuses may provide valuable additional information.
The datasets include:
Census
- 1991 Census data for SLS members including:
- Age, sex, marital status
- Family, household or communal establishment type
- Housing, including tenure, rooms and amenities
- Country of birth
- Ethnicity
- Educational qualifications
- Economic activity
- Occupation and social class
- Migration
- Limiting long-term illness
- 1991 Census data for those living in the same household as a SLS member. Similar information as collected for sample members.
- 2001 Census data for SLS members. Similar data to 1991, but additional information collected in 2001 includes:
- Self-rated health
- Religion
- Caregiving
- 2001 Census data for those living in the same household as a SLS member. Similar information as collected for sample members.
[Note Copies of the 1991 Scottish census form and the 2001 Scottish census form can be downloaded here.]
Vital events
- New Entry Datasets (Post Census 1991, then each year from 1992 onwards up to and including 2008)
- New births into the sample
- Immigrants into the sample
- Vital Events Datasets (Post Census 1991, then each year from 1992 onwards up to and including 2008)
- Births to sample mothers
- Births to sample fathers
- Stillbirths to sample mothers
- Stillbirths to sample fathers
- Infant mortality of children (up to one year old) of sample mothers
- Infant mortality of children (up to one year old) of sample fathers
- Marriages of sample members (SLS brides)
- Marriages of sample members (SLS grooms)
- Deaths of sample members
- Widow(er)hoods of sample members
- Emigration out of Scotland of SLS members
- Re-entries into Scotland after previous emigrations of SLS members
[Note It is hoped to incorporate divorces from 2010 and births to sample mothers and fathers between 1974 and 1991 at a later date, which will allow examination of more complete marital records and fertility histories. Please check back for updates.]
Geographical and ecological data
Several geographical and ecological indicators have been linked to the SLS, such as deprivation scores (Carstairs, Townsend, SIMD), population density and an urban-rural indicator. Several geographical levels can be analysed in the SLS, but because low geographical levels soon lead to low numbers of observations, the use of geographical variables requires special attention to issues of disclosure and confidentiality.
SLS users wanting to analyse their own ecological measures can request these to be temporarily attached to the SLS for the purpose of their own projects.
Health events
- Cancer registrations for sample members
- Hospital admissions and discharges for sample members
- Maternity data for sample members
[Note that health events data are linked as required for approved research studies and are not held as part of the SLS database. Projects involving these data may take longer as a result.]
Education data
We hope within the next year to include linking to educational information for sample members, including school censuses, qualifications achieved, exclusions and attendance records from 2007 onwards. Please check back for updates.
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