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943 items of data are available, covering 943 participants, encoded using Data-Coding 60. Defined-instances run from 0 to 0, labelled using Instancing 2.
Against participant wishes96
Lack of time264
Reason not known12
Other health reason356
Heart rate > safety level4
Counts of participants/items last updated 07 Sep 2019.
Reason at-rest (i.e. without bike) ECG measurement was performed (entered as free-text by a UK Biobank Staff member).
This field was created by post-hoc coding the free-text reasons entered during the assessment centre visit. The encoding used was constructed after the data had been examined to determine suitable representative groupings.