Where used:
| Attribute | SMOKING STATUS | references in description TOBACCO USAGE | 
| Attribute | TOBACCO CHEWING HISTORY | references in description TOBACCO USAGE | 
| Attribute | TOBACCO USAGE TYPE | references in description TOBACCO USAGE | 
| Class | PERSON PROPERTY | references in description TOBACCO USAGE | 
| Data Element | YEAR STOPPED SMOKING | references in description TOBACCO USAGE | 

