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Several examples are provided below to illustrate the different ways the subjects's history of recreational product usage may be collected in studies. Note, that Findings About Events or Interventions structure (or "FA structure") is used to represent collected data that are findings about” an event or intervention that cannot be represented within an event or intervention record or as a supplemental qualifier to such a record. Not all findings associated with an event or intervention should be represented in the FA structure.
- The Findings About Events or Interventions (FA–) is a specialization of the Findings general observation class. it shares all qualities and conventions of Findings observations but is specialized by the addition of the --OBJ variable.
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This example collects data on all types of recreational products previosuly used by the subject. The sponsor only collected the general type of product used. The actual dates of usage were also not collected. The subject provided the duration of use. Usage of these recreational products are represented in the SU domain.
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