---
title: "age_assertion"
description: "A statement about the age of an individual at a point in time."
---

A statement about the age of an individual at a point in time.

**Purpose.** To record a statement about the age of an individual at a point in time, as clinical context for the other information in the same COMPOSITION.

## Source

| Model | Leg | Role |
|---|---|---|
| `openEHR-EHR-OBSERVATION.age_assertion.v1` | openEHR | defines this table |

## Columns

| Column | Type | Null | Description | Source |
|---|---|---|---|---|
| `id` | `uuid primary key` | no | Primary key. | — |
| `form_id` | `uuid` → [`form`](/docs/tables/form) | no | The form this entry was recorded on. | — |
| `form_block_id` | `uuid` | yes | The block within the form, when the entry is bound to one. | — |
| `chronological_age` | `interval` | yes | Chronological age | `/data[at0001]/events[at0002]/data[at0003]/items[at0004]` |
| `adjusted_age` | `interval` | yes | Adjusted age | `/data[at0001]/events[at0002]/data[at0003]/items[at0005]` |
| `comment` | `text` | yes | Comment | `/data[at0001]/events[at0002]/data[at0003]/items[at0006]` |

## Unique

- `form_block_id`

## References

| Columns | Target | On delete |
|---|---|---|
| `form_id` | [`form`](/docs/tables/form) | cascade |
| `form_id, form_block_id` | [`form_block`](/docs/tables/form_block) | cascade |

## Indexes

- `age_assertion_form_id_idx` on `form_id`

