Data Source

Survey

Type of Study

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

Longitudinal study, different samples

Data gathering method

Telephone interview (CATI)

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 authorization (CCS) and available by DANS

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

Documentation is only available in Dutch.

Years of collection, reference years, and sample sizes

Data has been collected between 2005 and 2012. Until 2011, the sample size used was of 4,500 individuals. Data collection is ongoing and is scheduled to continue at some point in the future.

First year of collection

2005

Stratification if applicable

Random sample

Base used for sampling

Municipal person registration

Geographical coverage and breakdowns

Dutch population in non-institutional households (2005-2011)

Age range

Dutch sample 2005-2011: Population aged 12-74. Dutch sample 2012: Population aged 12+ Eurostat sample 2005-2012: Population aged 16-74

Statistical representativeness

Representative of the Dutch population in non-institutional households

Coverage of main and cross-cutting topics

Brief overview of: ICT usage of households and individuals; 1) access to computer and internet 2) computer and internet skills 3) several internet activities like - social media - watching tv/listing radio - looking for information etc 4) use of websites e-government 5) buying goods through internet

Possibility of linkage among databases

Linkable to other person databases through anonymised personal number

Entry errors if applicable

Last year, there was a decrease in phone coverage leading to a possible bias.

Breaks

A part of the model questionnaire is changing every year; not all the topics of ICT are covered every year.

Consistency of terminology or coding used during collection

Most of the indicators are comparable in time.

Strengths: Survey results are (output) harmonized and, therefore, comparable with other EU countries. Longitudinal harmonization; gives insights in developments in ICT use. Weaknesses: The survey has a relatively small sample size and only those individuals with a telephone number are interviewed.