Slot: Age at First Participant Engagement (age_at_first_engagement)

Age in days of Participant at first recorded study event (enrollment, visit, observation, sample collection, survey completion, etc.). Age at enrollment is preferred, if available.

URI: acr_harmonized_data_model:age_at_first_engagement

Applicable Classes

Name	Description	Modifies Slot
Demographics	Basic participant demographics summary	no

Properties

Type and Range

Property	Value
Range	Integer
Domain Of	Demographics

Cardinality and Requirements

Property	Value
### Value Constraints

Property	Value
Minimum Value	-365
Maximum Value	32507

Additional Constraints

**Unit:** | Property | Value | | --- | --- | | ucum_code | d |

Identifier and Mapping Information

Schema Source

• from schema: https://w3id.org/anvilproject/acr-harmonized-data-model

Mappings

Mapping Type	Mapped Value
self	acr_harmonized_data_model:age_at_first_engagement
native	acr_harmonized_data_model:age_at_first_engagement

LinkML Source

name: age_at_first_engagement
description: Age in days of Participant at first recorded study event (enrollment,
  visit, observation, sample collection, survey completion, etc.). Age at enrollment
  is preferred, if available.
title: Age at First Participant Engagement
from_schema: https://w3id.org/anvilproject/acr-harmonized-data-model
rank: 1000
domain_of:
- Demographics
range: integer
minimum_value: -365
maximum_value: 32507
unit:
  ucum_code: d