User

Philip David Brierley

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Recent activity by Philip David Brierley

  • Suspicious Dates of Birth

    How were the dates of birth recorded? Are there any screen shots of how this was entered by the participants?I ask as we have some observations that would indicate a significant amount of participa...

    • 2 followers
    • 2 comments
    • 0 votes

  • Manual Pulse Rate Method

    the notes for field Field 95 say:Pulse measured during automated blood-pressure readinghttps://biobank.ndph.ox.ac.uk/showcase/field.cgi?id=95and for field 102:This is the pulse rate measured during...

    • Edited
    • 1 follower
    • 0 comments
    • 0 votes

  • Hot Drink Temperature

    Hi,How do we find out why certain questions were included? I'm particularly curious about the question ‘How do you like your hot drinks?’ What was the motivation for including this question?https:/...

    • 2 followers
    • 1 comment
    • 1 vote

  • Impedance algorthim for body fat measuremets

    Hi, is there any information available on the calibration equations used by the device that measure body composition. How do we know if ‘athlete’ mode was chosen? I ask because body fat seems suspi...

    • 4 followers
    • 5 comments
    • 0 votes

  • questionaire alcohol documentation is incorrect

    The following two questions have identical participant counts, yet according to the documentation the first was asked to fewer people than the second. I suspect the correct cohort for both is ‘at l...

    • 2 followers
    • 1 comment
    • 0 votes

  • Middlesbrough spelt wrong

    Hi,The assessment centre Middlesbrough is spelt inconsistently.. This causes issue when merging 2 data soruces.https://biobank.ndph.ox.ac.uk/showcase/field.cgi?id=54https://biobank.ndph.ox.ac.uk/sh...

    • 3 followers
    • 2 comments
    • 0 votes

  • assessment centre lat longs

    Hi,How do we convert the gridx and gridy for the assessment centre location into a latitude and longitude?Also, there is an Altringham but no Stockport (pilot) - id this mis-lablled?https://biobank...

    • 2 followers
    • 1 comment
    • 0 votes

  • missing blood pressure

    Is there any info on why ~6% of participants have a missing blood pressure?https://biobank.ndph.ox.ac.uk/showcase/field.cgi?id=4079

    • 2 followers
    • 1 comment
    • 0 votes

  • data rounding

    Some fields are rounded to 1 decimal place upto a certain point in time and then more dp after this date.Is there any documetation on why this is the case? It can be problematic in modelling as the...

    • 2 followers
    • 1 comment
    • 0 votes

  • Height measurement errors

    I've noticed some issues with height measurements for a brief period of time. This is improtant as BMI is calculated incorrectly and it affects calculated risks based on BMI.I would hypothesise tha...

    • 2 followers
    • 6 comments
    • 0 votes