Examples of Major Longitudinal Health-Focused Databases: Europe

Name of StudyInitial SampleFollow-up
Avon Longitudinal Study of Parents and Children (ALSPAC)109>14 000 mothers enrolled during pregnancy in Bristol, United Kingdom, during 1991 and 1992Ongoing
1970 British Birth Cohort Study110∼17 200 infants born in England, Wales, Scotland, and North Ireland in a week in April 19706 follow-ups, 1975-2004
Millennium Cohort Study (MCS)11118 818 infants born in the United Kingdom over a 12-mo period in 2000— 2001 and living in selected UK wards at 9 mo of age4 waves between June 2001 and present
National Child Development Study (NCDS)11217 500 infants born in England, Scotland, and Wales in a week in March 19587 waves to the present
Newcastle Thousand Families Study113All 1142 infants born to mothers in Newcastle Upon Tyne, United Kingdom, May–June 1947At ages 15, 22, 32, 50, and 54 y
Population, Cancer, Cause of Death, and Hospital Discharge RegistriesPopulation-wide registries in the Scandinavian countries, linkable through the personal identification codeNA
Understanding Society Study114Household members aged ≥10 y in 40 000 households across the United KingdomAnnually from 2009
  • NA indicates not applicable.