Description Details Value Data Quality Tests See Also
A date type field which represents the specific month and year that the birth occurred.
This date value is always set to the first day of the month. This is one of the fundamental attributes of the data set, and has no missing values. The actual date is not provided directly in the data set, but is instead calculated using the year and month fields and the 1st day of the month. What this means is that the day value for this column should never be used; it is simply an arbitrary - but consistent - placeholder meant to simplify time based analysis.
a Date
column
This column is tested for the following quality assumptions prior to packaging:
no NA values
all day of month values are equal to 1
at least one record exists for each month in every year
Other births-column: birth_in_hospital
,
birth_state
,
birth_via_cesarean
,
birth_weekday_date
,
child_sex
, mother_age
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