OBSERVATION DATE (SMOKING STATUS)

Format/length:see DATE 
HES item: 
National Codes: 
Default Codes: 

Notes:
The date when the SMOKING STATUS was recorded.

OBSERVATION DATE (SMOKING STATUS) is the same as attribute PERSON PROPERTY EFFECTIVE DATE.

 

This data element is also known by these names:
ContextAlias
pluralOBSERVATION DATES (SMOKING STATUS)