Definition

Introduced in 2020 (Eklund et al., 2020), the entity Event is a generic template that represents something that happens in a given place and time and is related to the sample and/or sample donor.

Attribute Code	Attribute Name	Description	Data Type	Allowed Values	Constraints	Cardinality
MIABIS-EVENT-01	Event ID	Random ID for each event, created by the database implementation.	String		Required if event is recorded	1
MIABIS-EVENT-02	Event date and time	The date and time of the event. Coding ISO8601. Can also be partial, for example YYYY	Datetime, yyyy-mm-ddThh:mm:ss		Use either age at event or event date, not both. Date of birth is required when event date is used.	0
MIABIS-EVENT-03	Age at event	Age at the time of the event	Decimal		Use either age at event or event date and time, not both	0
MIABIS-EVENT-04	Age at event unit	Unit defining age at event	Enumerated Values	Years, Months, Weeks, Days, Gestational weeks	When age at event is provided, age unit is required	0