'Replace' coding option and mapping values from the sleep questionnaire data Answered

UKB Communications The helpers that keep the community running smoothly. UKB Community team Communications Team

Update [08 Jul 2025]: A fix for the issue described in this article was deployed in July 2025, and data exported using the ‘replace’ coding option are now being correctly mapped to their associated meanings.

UK Biobank has identified an issue with some fields from the sleep questionnaire data where certain values are not being mapped to their meaning when using the ‘replace’ coding option. 

As a temporary workaround, we recommend using the 'raw' coding option. Values can be mapped to the associated meaning using the Showcase Metadata files. 

We are collaborating with DNAnexus to resolve this issue and will provide updates as soon as more information is available.

Comments

2 comments

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  • Comment author
    UKB Communications The helpers that keep the community running smoothly. UKB Community team Communications Team
    • Official comment

    Please note that a fix for the issue described in this article was deployed in July 2025, and data exported using the ‘replace’ coding option are now being correctly mapped to their associated meanings.

  • Comment author
    Oliver G The helpers that keep the community running smoothly. UKB Community team Data Analyst

    The GitHub notebook "Access the Sleep Questionnaire data" provides two methods for extracting the accurate data and a note on how to join the accurate encoding meanings to the raw encoded values.

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