Data Source

Survey

Type of Study

Longitude survey: long-term study of random or different samples

Longitudinal study, continuous, different (person) samples

Data gathering method

Face-to-face interview (CAPI, PAPI)

Ease

Cannot be downloaded directly

Conditions of access

Formal agreements (e.g. fees, research contracts, institutional agreements, etc.)

Access to data requires: (1) Access fee (2) official authorisation (CCS)

Time elapsed between application and reception of data

Months

Type of available data (e.g. anonymised microdata, aggregated tables, etc.)

Anonymised microdata

Formats available

SPSS (default)

Language issues

Contact data administrator (see contact information)

Years of collection, reference years, and sample sizes

Data was collected between 1997 and 2008 (2009, 2010 and 2012; questions about general happiness can be found in the social cohesion module). The sample size used in 1997 was of 34,000 individuals and in 2008, 9,000 individuals.

First year of collection

1997

Stratification if applicable

Two-step sampling: 1) sample of municipalities 2) sample of people; monthly sampling; post-stratification

Base used for sampling

Municipal person registration

Geographical coverage and breakdowns

Dutch population in non-institutional households

Age range

No age restrictions

Statistical representativeness

Representative of the Dutch population in non-institutional households

Coverage of main and cross-cutting topics

Detailed study of: General happiness

Possibility of linkage among databases

Linkable to other person databases through anonymised personal number

Entry errors if applicable

Survey errors. Data are checked and corrected for internal inconsistencies.

Consistency of terminology or coding used during collection

Consistent method

Strengths: The survey provides high quality and coherent data.