01 |
Smoked tobacco only |
C154513 |
NCI Thesaurus |
An indication that individual used only tobacco products that are smoked. |
02 |
Non-smoked tobacco only |
C154514 |
NCI Thesaurus |
An indication that individual used only smokeless tobacco products. |
03 |
Use of both smoked and non-smoked tobacco products |
C154515 |
NCI Thesaurus |
An indication that individual only used both smoked and smokeless tobacco products. |
04 |
None |
C41132 |
NCI Thesaurus |
No person or thing, nobody, not any. |
05 |
Use of smoked tobacco but no information about non-smoked tobacco use |
C154517 |
NCI Thesaurus |
An indication that it is known that an individual used smoked tobacco products, but it is unknown if they also used smokeless tobacco products. |
NI |
No Information Available |
C53269 |
NCI Thesaurus |
Information regarding the subject is unknown or inaccessible at this time. |
OT |
Other |
C17649 |
NCI Thesaurus |
Different than the one(s) previously specified or mentioned. |
UN |
Unknown |
C17998 |
NCI Thesaurus |
Not known, not observed, not recorded, or refused. |