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9,642 items of data are available, covering 8,154 participants. Array indices run from 0 to 3. Units of measurement are weeks.
There are 44 distinct values.
Mean = 13.256
Std.dev = 6.61208
458 items above graph maximum of 30
Counts of participants/items last updated 23 Oct 2021.
This field is a summary of the values of the gestation period at the first antenatal assessment a participant has had recorded in their hospital inpatient records.
This field corresponds to the field ANAGEST on the HESIN_MATERNITY table; see the Inpatient Data Dictionary (Resource 141140) in Category 2000 for information about the HESIN_MATERNITY table.
In order to conduct detailed analyses of this data using the source information, researchers will need to gain access to the HESIN_MATERNITY and HESIN tables by adding Field 41261 and Field 41259 to their basket.