# Participant Panel Database Schema

Status: draft Sourcebook template.

Use this template to document the data schema for a participant panel or recruitment database.

## Schema purpose

- Panel name:
- Purpose:
- Data controller:

## Fields

| Field name | Data type | Required | Description | Retention period |
|---|---|---|---|---|
| participant_id | string | yes | Unique identifier |  |
| consent_date | date | yes | Date consent was obtained |  |
| consent_withdrawn | boolean | yes | Whether consent has been withdrawn |  |
| demographics_group | string | no | Broad demographic segment |  |

## Access control

- Who can access the panel:
- Who can add or edit records:
- Audit logging:

## Review

- Schema owner:
- Last reviewed: