1970 British Cohort Study (BCS70)Jump to Mental Health Measures
The 1970 British Cohort Study (BCS70) is a multidisciplinary national longitudinal birth cohort study. Original aims were to examine the social and biological characteristics of the mother in relation to neonatal morbidity, and to compare the results with the 1958 National Child Development Study. With each successive sweep, the scope of the enquiry has broadened from a strictly medical focus at birth, to encompass physical, educational, social and economic development.
Centre for Longitudinal Studies (CLS) - Institute of Education (IoE), UCL
United Kingdom (England, Scotland, Wales)
All people born in England, Scotland and Wales in one particular week of 1970, including stillbirths. Children born in this week in Northern Ireland were included in birth sweep only. Each cross-sectional target sample also includes all those born anywhere in the world in the same week as the longitudinal sample, who are living in Britain at the time of the sweep and who joined the BCS70 sample during the school years (at least one survey instrument partially completed).
Sample size at recruitment
Sample size at most recent sweep
9,841 (BCS 2012)
Age at recruitment
Cohort year of birth
UK Data Service
Genetic data collected
Linkage to administrative data
Birth and perinatal period, cognitive measures, education, genetic data, income and socioeconomic status, personality measures, COVID
Previously known as the British Births Survey
Elliott J & Shepherd P. (2006). Cohort Profile: 1970 British birth cohort (BCS70). International Journal of Epidemiology, 35, 836-843.