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3,558 items of data are available, covering 3,558 participants, encoded using Data-Coding 71. Defined-instances run from 0 to 0, labelled using Instancing 2.
Against participant wishes2840
Lack of time57
Reason not known105
Other health reason79
Sample already provided9
Reason urine sample was not collected (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.