The element AbsoluteTimingConstraint is used to specify when an activity, represented by either a StudyEventGroup or StudyEvent, can take place.
| Element Name | AbsoluteTimingConstraint |
|---|---|
| Parent Element(s) | StudyTiming |
| Element XPath(s) |
|
| Element Textual Value | None |
| Attributes | OID, Name, (StudyEventGroupOID|StudyEventOID), TimepointTarget, TimepointPreWindow, TimepointPostWindow |
| Child Elements | (Description?) |
| Usage/Business Rules |
| Attribute | Schema Datatype or Enumeration | Usage | Definition | Business Rule(s) |
|---|---|---|---|---|
| OID | oid | Required | Unique identifier. | |
| Name | name | Required | Human readable name. | |
StudyEventGroupOID | oidref | Optional | Reference to StudyEventGroup definition element. | |
| StudyEventOID | oidref | Optional | Reference to StudyEvent definition element. | |
| TimepointTarget | (date, time, datetime, partialDate, partialTime, partialDatetime) | Required | Specifies the targetted date, time, or datetime. |
Note it can be incomplete date/datetime; for example: if the activity is planned to be at 9:00 am, the value for TimepointTarget may be expressed as "-----T09". |
| TimepointPreWindow | durationDatetime | Optional | Specifies the amount of time before the TimepointTarget that the activity may be started. |
|
| TimepointPostWindow | durationDatetime | Optional | Specifies the amount of time after the TimepointTarget that the activity can be started. |
|
Example: AbsoluteTimingConstraint
AbsoluteTimingConstraint
<AbsoluteTimingConstraint OID="TEMP_MEASUREMENT_TIME" Name="Timing constraint for taking the morning temperature" StudyEventGroupOID="IG.TEMP_MEASUREMENT"
TimepointTarget="09:00" TimepointPreWindow="PT5M" TimepointPostWindow="PT30M">
<Description>
<TranslatedText xml:lang="en" Type="text/plain">The temperature of the subject must be measured at 9:00 AM in the morning, with a time window of 5 minutes before and 30 minutes after</TranslatedText>
</Description>
</AbsoluteTimingConstraint>