Rachael W UKB Community team Data Analyst

One further complication is that fields 6177 and 6153 are arrayed.   This is because it is possible for a single participant to answer both “Cholesterol-lowering medication” and “Blood pressure med...

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• Edited 20 October 2026 09:33
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Depending on how your dataset was obtained and combined, you might expect to see NA values in field 6177_i0 for all females (slightly over half of all participants are female), and NA values in fie...

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• 12 October 2026 15:26
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Hi Tahsina,Field 6177 holds data for males, while field 6153 holds equivalent data for females.  You can see this in the Showcase page for each field, which says Sexed:Males only or Sexed:Females o...

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• 12 October 2026 10:35
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Hi Kenneth,as you will be aware, the UKB-RAP is not currently available to any researchers.   When it is available again, you might find this previous community post is relevant: https://community....

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• 10 August 2026 10:07
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Hi Sumbul,according to UKB Showcase Resource 100233,   https://biobank.ndph.ox.ac.uk/showcase/refer.cgi?id=100233 , participants were instructed to remove any hearing aids, but UKB staff did not ch...

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• 30 June 2026 14:14
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Hi Chen,that is good to know, thank you for sharing the information. 

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• 21 April 2026 08:06
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Hi Chen, I don't know the answer to that, sorry. I would expect that the data would be the same.  The only question is whether exporting the whole olink_instance_0 entity would include a load of Nu...

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• 20 April 2026 14:38
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Hi Jeanne, one way to deal with this would be to start a JupyterLab instance and a $_ terminal, and use the dx command there.   This would extract the dataset into the JupyterLab instance storage. ...

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• 07 April 2026 07:29
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Dear Sarah,The cohort browser is nice for preliminary analysis, but it has some limitations.   At some point you will need to export some of the relevant data from the Parquet database and perform ...

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• Edited 23 July 2026 09:18
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