Enum: PastTime

Enumeration for periods of time in the past.

URI: [dfs:PastTime](https://w3id.org/OHD/DFA-study/dfs/PastTime) ## Permissible Values | Value | Meaning | Description | | --- | --- | --- | | 1 | http://purl.obolibrary.org/obo/NCIT_C205531 | Within the last year | | 2 | None | 1-2 years | | 3 | None | 3-5 years | | 4 | None | 6 or more years ago | | 5 | 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/dfs ## LinkML Source 
name: PastTime
description: Enumeration for periods of time in the past.
from_schema: https://w3id.org/OHD/DFA-study/dfs
rank: 1000
permissible_values:
  '1':
    text: '1'
    description: Within the last year
    meaning: http://purl.obolibrary.org/obo/NCIT_C205531
  '2':
    text: '2'
    description: 1-2 years
  '3':
    text: '3'
    description: 3-5 years
  '4':
    text: '4'
    description: 6 or more years ago
  '5':
    text: '5'
    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