Received: 25 September 2020
Accepted: 28 March 2021
First Online: 9 April 2021
: Multicentre Research Ethics Committee (MREC) approval was sought for NCDS follow-ups from 2000 on, and for the Biomedical Survey. The 1958 and 1965 follow-ups pre-dated the establishment of ethics committees; the 1969, 1974, 1981 and 1991 follow-ups came before the establishment of the MREC system. Internal ethical reviews were undertaken for these waves. Participants in later waves were required to sign informed consent, and ethical approval was obtained from South East and London Multicentre Research Ethics Committee. (Shepherd, P.M. An Introduction to the Background to the Study and Methods of Data Collection in The National Child Development Study. Social Statistics Research Unit. London City University 1985). NCDS sought written parental consent for the 7-year (1965), 11-year (1969) and 16-year (1974) surveys.
: Not applicable.
: Authors have no competing interest associated with this paper. Daniel Umpierre is on the editorial board of BMC Public Health.