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11,071 items are available, covering 11,071 participants. Units of measurement are records.
There are 5 distinct values.
Mean = 1.28769
Std.dev = 0.519575
23 items above graph maximum of 3
Counts of participants/items last updated 13 Apr 2019.
This field indicates (for each participant) the number of in-patient Health Episode Statistics (HES) records in the UKB repository which contain "Mother age on date of delivery" information. Participants with zero records are not itemised.
This field contains the mothers age on the date of delivery. This is calculated from the mother's date of birth and the birth date of the first baby.
In order to conduct analyses using this information, researchers must include this data-field in their application, however access will be given in-situ rather than as a download.