Table 3.

Generic Structure for Creating Event Records

Attribute code	Attribute name	Allowed values	Attribute description	Constraints	Cardinality
MIABIS-EVENT-01	Event ID	Coded String	Random ID for each event, created by the database implementation	Required if event is recorded	1
MIABIS-EVENT-02	Event date and time	yyyy-mm-ddThh:mm:ss	The date and time of the event. Coding ISO8601. Can also be partial, for example YYYY	Use either age at event or event date and time, not both. Date of birth is required when event date is used	0
MIABIS-EVENT-03	Age at event	Decimal	Age at the time of the event	Use either age at event or event date and time, not both	0
MIABIS-EVENT-04	Age at event unit	List: years, months, weeks, days, gestational weeks	Unit defining age at event	When age at event is provided, age unit is required	0