Data project

National Study on substance use

Nationaal Prevalentieonderzoek Middelengebruik (NPO)

Summary

Type of data

Data Source
Survey

Type of Study
Crosssection occasional

Data gathering method
Face-to-face
Other: CASI

Access to data

Conditions of access
Cannot be downloaded directly

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

Formats available
SPSS (default)

Coverage

Coverage Years of collection, reference years, and sample sizes
Data were collected in 1997, 2001, 2005, 2009 with net sample in 2009 of around 3,600 individuals.

First year of collection

Stratification if applicable
Contact data administrator (see contact information)

Base used for sampling

Geographical coverage and breakdowns
Dutch population

Age range
Population aged 15-64. For 1997, 2001: population aged 13 and over.

Statistical representativeness
Population representative

Coverage of main and cross-cutting topics
Brief overview of: Use of alcohol, drugs, certain medicine, performance increasing substances and care; use, prevalence, incidence

Linkage

Standardisation

Possibility of linkage among databases
Contact data administrator (see contact information)

Data quality

Entry errors if applicable

Breaks

Consistency of terminology or coding used during collection

Governance

Contact information

Statistics Netherlands
Henri Faasdreef 312
2492 JP Den Haag Netherlands Phone: Infoservice: 003188 570 70 70
Email: info(at)cbs.nl
Url:

Timeliness, transparency
Data is collected on an irregular basis.