> For the complete documentation index, see [llms.txt](https://ourfuturehealth.gitbook.io/our-future-health/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ourfuturehealth.gitbook.io/our-future-health/data-types.md).

# Data types

- [Overview of data in the TRE](https://ourfuturehealth.gitbook.io/our-future-health/data-types/overview-of-data-in-the-tre.md): This page provides information on how Our Future Health data is organised in the Trusted Research Environment (TRE), including entity names and data structures.
- [Participant data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/participant-data.md): Information about the participant data in the Our Future Health resource, including the scope and structure of these data and how the data were generated and processed
- [Questionnaire data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/questionnaire-data.md): Information about the questionnaire data in the Our Future Health resource, including the scope and structure of these data and how the data were generated and processed
- [Change log for questionnaire versions](https://ourfuturehealth.gitbook.io/our-future-health/data-types/questionnaire-data/change-log-for-questionnaire-versions.md): Detailed information on changes made between versions v1, v2, v2.1 and v2.2, which consist of corrections to incorrect question logic or data types.
- [Participant Geographies data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/participant-geographies-data.md): Information on the national and regional geographic data associated with participants who have joined the Our Future Health programme, including the scope, structure and processing of these data
- [Deprivation and Rural-Urban Class Data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/participant-geographies-data/deprivation-and-rural-urban-class-data.md): Information on how to link deprivation and rural-urban class data to Our Future Health participants resident in England and Wales in the Trusted Research Environment (TRE).
- [Clinic Measurements data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/clinic-measurements-data.md): Information about measurements taken at the Our Future Health in-person appointment, including the scope and structure of the data and how it was generated and processed for release
- [POCT Lipid Profile data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/clinic-measurements-data/poct-lipid-profile-data.md): This page describes Our Future Health's Point-of-Care Testing (POCT) Lipid Profile data, including data collection and processing
- [POCT validation study](https://ourfuturehealth.gitbook.io/our-future-health/data-types/clinic-measurements-data/poct-lipid-profile-data/poct-validation-study.md): This page provides information on the validation and accuracy of the lipid profile point-of-care testing (POCT) conducted by Our Future Health.
- [Procedure for Clinic Measurements](https://ourfuturehealth.gitbook.io/our-future-health/data-types/clinic-measurements-data/procedure-for-clinic-measurements.md): A summary of the Standard Operating Procedure for the Our Future Health in-person appointment; not all detailed steps are included
- [Change log for Clinic Measurements appointment processes](https://ourfuturehealth.gitbook.io/our-future-health/data-types/clinic-measurements-data/change-log-for-clinic-measurements-appointment-processes.md): Detailed information about the changes made to the appointment process for collecting clinical measurement data.
- [Genetic data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/genetic-data.md): Information about the genetic data in Our Future Health resource, including the genotype array data, imputed genetic data, genetic ancestry data and genetic kinship data.
- [Genotype array data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/genetic-data/genotype-array-data.md): Information about the genotype array data in Our Future Health resource, including the scope and structure of these data and how the data were generated and processed
- [Imputed genotype data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/genetic-data/imputed-genotype-data.md): Information about the imputed genotype data in Our Future Health resource. This documentation includes the scope and structure of the data, and the process of imputation.
- [Genetic ancestry](https://ourfuturehealth.gitbook.io/our-future-health/data-types/genetic-data/genetic-ancestry.md): Information about the ancestry data in the Our Future Health Resource. This documentation includes the scope and structure of the data, and the process of ancestry estimation.
- [Genetic kinship](https://ourfuturehealth.gitbook.io/our-future-health/data-types/genetic-data/genetic-kinship.md)
- [Linked health records data](https://ourfuturehealth.gitbook.io/our-future-health/data-types/linked-health-records-data.md): Information about the linked health records data in the Our Future Health resource, including the scope and structure of these data and how the data were generated and processed.
- [Linked dataset descriptions](https://ourfuturehealth.gitbook.io/our-future-health/data-types/linked-health-records-data/linked-dataset-descriptions.md): Descriptions of the linked health records datasets available in the Trusted Research Environment.
- [Linked data content and processing](https://ourfuturehealth.gitbook.io/our-future-health/data-types/linked-health-records-data/linked-data-content-and-processing.md): Information on data content and processing, including more detail on data structure in the Trusted Research Environment and data processing resulting from pseudonymisation and de-duplication.
- [The linkage process](https://ourfuturehealth.gitbook.io/our-future-health/data-types/linked-health-records-data/the-linkage-process.md): Information on how we link Our Future Health Participants to their linked health records data, including eligibility and linkage process.