WARNING: the interactive features of this website use CSS3, which your browser does not support. To use the full features of this website, please update your browser.
502,357 items of data are available, covering 502,357 participants, encoded using Data-Coding 9.
Sex of participant.
Acquired from central registry at recruitment, but in some cases updated by the participant. Hence this field may contain a mixture of the sex the NHS had recorded for the participant and self-reported sex.