Enum: TimeSinceDentalVisitDKSR
Enumeration for time since last dental visit which also includes answering that the respondant doesn't know, skipped the question on the web or refused to answer it.
URI: [cohra1:TimeSinceDentalVisitDKSR](https://w3id.org/OHD/DFA-study/cohra1/TimeSinceDentalVisitDKSR)
## Permissible Values
| Value | Meaning | Description |
| --- | --- | --- |
| 1 | None | Less than 6 months ago |
| 2 | http://purl.obolibrary.org/obo/NCIT_C82447 | Between 6 months ago and one year ago |
| 3 | None | More than a year and less than two years ago |
| 4 | None | More than 2 and less than 5 years ago |
| 5 | None | 5 or more years ago |
| 6 | http://purl.obolibrary.org/obo/NCIT_C176245 | Never |
| 77 | http://purl.obolibrary.org/obo/NCIT_C67142 | DON'T KNOW |
| 98 | None | SKIPPED ON WEB |
| 99 | http://purl.obolibrary.org/obo/NCIT_C51024 | REFUSED |
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/OHD/DFA-study/cohra1
## LinkML Source
name: TimeSinceDentalVisitDKSR
description: Enumeration for time since last dental visit which also includes answering
that the respondant doesn't know, skipped the question on the web or refused to
answer it.
from_schema: https://w3id.org/OHD/DFA-study/cohra1
rank: 1000
permissible_values:
'1':
text: '1'
description: Less than 6 months ago
'2':
text: '2'
description: Between 6 months ago and one year ago
meaning: http://purl.obolibrary.org/obo/NCIT_C82447
'3':
text: '3'
description: More than a year and less than two years ago
'4':
text: '4'
description: More than 2 and less than 5 years ago
'5':
text: '5'
description: 5 or more years ago
'6':
text: '6'
description: Never
meaning: http://purl.obolibrary.org/obo/NCIT_C176245
'77':
text: '77'
description: DON'T KNOW
meaning: http://purl.obolibrary.org/obo/NCIT_C67142
'98':
text: '98'
description: SKIPPED ON WEB
'99':
text: '99'
description: REFUSED
meaning: http://purl.obolibrary.org/obo/NCIT_C51024