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The Social Statistics Database:

Invaluable source of micro-data for socio-economic statistics Johan van Rooijen. The Social Statistics Database:. Contents of this pesentation. What does the Social Statistics Database (SSD) contain? Linkage keys Standardization Data and metadata Process Privacy-protection

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The Social Statistics Database:

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  1. Invaluable source of micro-data for socio-economic statistics Johan van Rooijen The Social Statistics Database:

  2. Contents of this pesentation • What does the Social Statistics Database (SSD) contain? • Linkage keys • Standardization • Data and metadata • Process • Privacy-protection • Output-examples

  3. SSD: contents The SSD is a central database containing microdata on: • Persons • Relations between persons • Households • Jobs • Self-eployment • Social security benefits • State and employer pensions • Income • Education • Hospitalizations • Causes of death • Criminal offense reports • Houses • Vehicles and more……

  4. Many administrative sources, such as: • Population Register • Register Income Tax Declarations • Administration of Employee Insurance Schemes • Police Register • Valuation of real estate registration system Survey: • Labour Force Survey Future developments: more administrative sources, more surveys, big data?

  5. SSD: linkage keys All mirco datafiles stored in the SSD contain a LINKAGE KEY: Interlinking microdata is what the SSD is about! Example: linking microdata on graduates with data on persons and data on employment in order to describe the transisiton from education to labour market participation

  6. SSD: contents and linkage keys PIN: person identification number HIN: household identification number AIN: adress identification number EIN: enterprise identification number

  7. SSD: standardization standardization is an important aspect of the SSD • organization of the IT-infrastructure • file formats • linkage keys • names • metadata

  8. SSD: relation between data and meta-data

  9. In conclusion: Microdata-files are linked to other microdata-files by means of a set of standardized linkage keys Microdata-files are linked to their metadata through the name (file-name / variable-names)

  10. SSD: process

  11. SSD: privacy-protection Legislation: • Statistics Netherlands Act • Netherlands Data Protection Act These laws: • authorize Statistics Netherlands to use personal data • oblige Statistics Netherlands to take adequate measures aimed at privacy protection

  12. Privacy protection measures: • Linkage keys are anonymous, original personal identifiers are removed from the data • Access rights to the SSD are restricted • Limited e-mail facilities • Staff members have to take an oath • Check on disclosure risk of output

  13. SSD: Examples of output

  14. Transition from education to labour market participation

  15. The effect of discharge and discharge reason on relationship dissolution

  16. Dropping out of school and criminal behavior

  17. Research by external researchers (through Centre for Policy-related Statistics) • The Netherlands Cancer Institute: linking SSD-data to cancer registration • Municipalities: evaluation of their social assistance policy by enriching own data with data from the SSD

  18. The end

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