# Entity/demographics **URL:** https://discourse.openehr.org/c/specifications/entity/112.md [Latest](https://discourse.openehr.org/latest.md) · [Categories](https://discourse.openehr.org/categories.md) · [Tags](https://discourse.openehr.org/tags.md) --- ## [About the Entity/demographics category](https://discourse.openehr.org/t/about-the-entity-demographics-category/3721)
**Author:** [@thomas.beale](https://discourse.openehr.org/u/thomas.beale)\ **Replies:** 0
Discussions about openEHR Demographics and Entity models and more generally MPIs & similar. --- ## [Demographic model improvements](https://discourse.openehr.org/t/demographic-model-improvements/1645)
**Author:** [@thomas.beale](https://discourse.openehr.org/u/thomas.beale)\ **Replies:** 47\ **Last updated:** [19 March 2025 20:32 UTC](https://discourse.openehr.org/t/demographic-model-improvements/1645 "2025-03-19T20:32:28Z")
A long-term limitation of the openEHR demographic model has been the ability to clearly represent employment and similar relationships, which are commonly needed in healthcare (and are in the FHIR Admin model for example… --- ## [Entity IM usage of CLUSTER instead ITEM\_STRUCTURE](https://discourse.openehr.org/t/entity-im-usage-of-cluster-instead-item-structure/6202)
**Author:** [@Mohammad\_Zawahreh](https://discourse.openehr.org/u/Mohammad_Zawahreh)\ **Replies:** 2\ **Last updated:** [20 January 2025 23:00 UTC](https://discourse.openehr.org/t/entity-im-usage-of-cluster-instead-item-structure/6202 "2025-01-20T23:00:16Z")
Hi everybody, I was recently reading the demographics IM and came across PARTY descendant classes like PARTY, ROLE and CAPABILITY…etc. I notice they depended on ITEM\_STRUCTURE, which gave me the idea that even those cl… --- ## [How to model a family?](https://discourse.openehr.org/t/how-to-model-a-family/5780)
**Author:** [@linforest](https://discourse.openehr.org/u/linforest)\ **Replies:** 4\ **Last updated:** [8 October 2024 09:18 UTC](https://discourse.openehr.org/t/how-to-model-a-family/5780 "2024-10-08T09:18:01Z")
In the context of family health management, how to model a family? Is it better to use FHIR Resource(s) or openEHR Archetype(s) to model it? When it comes to kinship, how to take privacy into account? Potential FHIR (… --- ## [Issues and ideas on the demographic model](https://discourse.openehr.org/t/issues-and-ideas-on-the-demographic-model/3720)
**Author:** [@pablo](https://discourse.openehr.org/u/pablo)\ **Replies:** 23\ **Last updated:** [27 March 2023 15:05 UTC](https://discourse.openehr.org/t/issues-and-ideas-on-the-demographic-model/3720 "2023-03-27T15:05:11Z")
Hi all, I’m progressing with a demographics data repository and demographics REST API and found some issues I would like to share to have your opinions. For reference, this is the demographics UML: many to one asso… --- ## [Organization of a party within the EHR](https://discourse.openehr.org/t/organization-of-a-party-within-the-ehr/1638)
**Author:** [@birger.haarbrandt](https://discourse.openehr.org/u/birger.haarbrandt)\ **Replies:** 29\ **Last updated:** [17 March 2023 14:45 UTC](https://discourse.openehr.org/t/organization-of-a-party-within-the-ehr/1638 "2023-03-17T14:45:39Z")
Hi everybody, We need to provide information about the composer and the corresponding organization that was responsible for the treatment of the patient (which can be different from the healthcare facility where the tre… --- ## [Referring to demographic entities in data](https://discourse.openehr.org/t/referring-to-demographic-entities-in-data/2659)
**Author:** [@thomas.beale](https://discourse.openehr.org/u/thomas.beale)\ **Replies:** 1\ **Last updated:** [27 May 2022 20:01 UTC](https://discourse.openehr.org/t/referring-to-demographic-entities-in-data/2659 "2022-05-27T20:01:09Z")
We have various conversations going on around demographic data. I think we may have to look at a modification to the RM that would support a need that @ian.mcnicoll and @heather.leslie have long been asking for (and it’s… --- ## [How to handle Defining multiple roles without creating new archetypes](https://discourse.openehr.org/t/how-to-handle-defining-multiple-roles-without-creating-new-archetypes/258)
**Author:** [@M.farokhtabar](https://discourse.openehr.org/u/M.farokhtabar)\ **Replies:** 7\ **Last updated:** [3 February 2020 14:59 UTC](https://discourse.openehr.org/t/how-to-handle-defining-multiple-roles-without-creating-new-archetypes/258 "2020-02-03T14:59:01Z")
Hi everyone, I tried to design archetypes for many roles with different names and same item structure in demography. should I create an archetype for each role name or there is other way? I asked this question because… --- ## [Update and insert Party with two template](https://discourse.openehr.org/t/update-and-insert-party-with-two-template/1338)
**Author:** [@M.farokhtabar](https://discourse.openehr.org/u/M.farokhtabar)\ **Replies:** 2\ **Last updated:** [15 June 2021 07:48 UTC](https://discourse.openehr.org/t/update-and-insert-party-with-two-template/1338 "2021-06-15T07:48:41Z")
Hi, Is it possible to insert a party with an opt, and update the same party with another opt: For example in the first opt we have information about party, partyIdentity , contact, and on the second opt(for update) … --- ## [I\_DEMOGRAPHIC\_SERVICE Interface UV\_PARTY](https://discourse.openehr.org/t/i-demographic-service-interface-uv-party/1333)
**Author:** [@M.farokhtabar](https://discourse.openehr.org/u/M.farokhtabar)\ **Replies:** 1\ **Last updated:** [1 March 2021 11:20 UTC](https://discourse.openehr.org/t/i-demographic-service-interface-uv-party/1333 "2021-03-01T11:20:53Z")
Hi everybody, I am trying to implement Demographic API based on I\_DEMOGRAPHIC\_SERVICE, but there is not any related information about UV\_PARTY that is a parameter for create\_party service. Do you have any information… --- ## [PARTY as 'regular' datatype](https://discourse.openehr.org/t/party-as-regular-datatype/231)
**Author:** [@birger.haarbrandt](https://discourse.openehr.org/u/birger.haarbrandt)\ **Replies:** 33\ **Last updated:** [23 November 2020 08:06 UTC](https://discourse.openehr.org/t/party-as-regular-datatype/231 "2020-11-23T08:06:05Z")
Hi everybody, I come across some cases where I think it would be beneficial if we could put an item of type Party into an Archetype. For example, the multimedia resource archetype has a field “author” that allows to cap… --- ## [PARTY data in EHR space](https://discourse.openehr.org/t/party-data-in-ehr-space/985)
**Author:** [@sebastian.iancu](https://discourse.openehr.org/u/sebastian.iancu)\ **Replies:** 1\ **Last updated:** [21 September 2020 10:59 UTC](https://discourse.openehr.org/t/party-data-in-ehr-space/985 "2020-09-21T10:59:44Z")
One of the problem mentioned in the last years is that sometimes is difficult to record/use PARTY data in an optimal and clean way inside a COMPOSITION, inside the EHR space. Off course, there are dedicated places where…