This information is regarded as restricted and will be supplied to researchers only when absolutely necessary.
See the Related Data-Fields tab below for any unrestricted alternatives.
502,357 items of data are available, covering 502,357 participants.
- There are 12062 distinct values.
- Mean = 1952-01-12
Date of birth (DOB) of participant.
Acquired from central registry, updated by participant.
This data-field will only be made available to researchers in exceptional circumstances. Wherever possible, reasearchers should use Month of Birth (Field 52) and Year of Birth (Field 34) instead.
5 Related Data-Fields
|40007||Age at death||Current Field was used to derive the age in Field 40007|
|21022||Age at recruitment||Field 21022 uses the date-of-birth value in Current Field|
|21003||Age when attended assessment centre||Field 21003 uses the date-of-birth value in Current Field|
|52||Month of birth||Field 52 is the month part of Current Field|
|34||Year of birth||Field 34 is the year part of Current Field|
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