Detailed information about the SDQ-index, which is used as the measure of child well-being from 2003 on, is available at


Achenbach System of Empirically Based Assessment was one inspiration to the questions describing child well-being in the questionnaire in 1999. For more information about ASEBA, see

Statistics Denmark

Part of DALSC dataset is information from administrative registers at Statistics Denmark. The DALSC data set contains only selected variables from the registers but can be extended with others relatively easy. For further information about variables in the administrative registers at Statistics Denmark, see

Danish State Archive (Dansk Data arkiv)

After approximately two years the data is stored with the Danish State Archive and available to the public.

CSSR, Centre for Survey and Survey/Register Data

Gain access to the DALSC survey data at CSSRThe DALSC Data is found in Børneforløbsundersøgelsen in the menu.

Other longitudinal studies

Centre for Longitudinal Studies conducts several longitudinal studies
Growing Up in Scotland study
Avon Longitudinal Study of Parents and Children (ALSPAC) - also known as Children of the 90s.

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