Enum: NoYesPeriod
An enumeration for yes/no responses with a missing option.
URI: [superdataset:NoYesPeriod](https://w3id.org/OHD/DFA-study/superdataset/NoYesPeriod)
## Permissible Values
| Value | Meaning | Description |
| --- | --- | --- |
| 0 | http://purl.obolibrary.org/obo/NCIT_C49487 | No |
| 1 | http://purl.obolibrary.org/obo/NCIT_C49488 | Yes |
| . | http://purl.obolibrary.org/obo/NCIT_C54031 | Missing |
## Slots
| Name | Description |
| --- | --- |
| [Ethnicity](Ethnicity.md) | The participant's ethnicity is Hispanic |
| [idaf2a](idaf2a.md) | (2a) Going to the dentist is actively avoided or else endured with intense fe... |
| [idaf2b](idaf2b.md) | (2b) My fear of going to the dentist has been present for at least 6 month |
| [idaf2c](idaf2c.md) | (2c) My fear, anxiety or avoidance of going to the dentist significantly affe... |
| [idaf2d](idaf2d.md) | (2d) I am afraid of going to the dentist because I am concerned I may have a ... |
| [idaf2e](idaf2e.md) | (2e) I am afraid of going to the dentist because I am generally highly self-c... |
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/OHD/DFA-study/superdataset
## LinkML Source
name: NoYesPeriod
description: An enumeration for yes/no responses with a missing option.
from_schema: https://w3id.org/OHD/DFA-study/superdataset
rank: 1000
permissible_values:
'0':
text: '0'
description: 'No'
meaning: http://purl.obolibrary.org/obo/NCIT_C49487
'1':
text: '1'
description: 'Yes'
meaning: http://purl.obolibrary.org/obo/NCIT_C49488
.:
text: .
description: Missing
meaning: http://purl.obolibrary.org/obo/NCIT_C54031