: Data-Field 20050

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Data

1,582 items of data are available, covering 1,582 participants, encoded using Data-Coding 50.
Defined-instances run from 0 to 0, labelled using Instancing 2.

CategoryCount

Declined5810
- Against participant wishes572
- Lack of time9
Equipment failure300
- Malfunction30
Unable8960
- Other health reason79
- Reason not stated34
- Poor venous access/flow780
- Recently donated blood3
Nurse Advised not to perform20
- Reason not known2
Abandoned730
- Feeling unwell/pain73

Notes

Reason blood sampling was not attempting (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.

0 Related Data-Fields

There are no related data-fields

9 Resources

Preview	Name	Res ID
	Blood processing	100097
	Blood sample collection	100098
	Blood samples	100136
	Blood sampling procedures using ACE	100227
	Blood spinning	100137
	Scanning blood sample	6071
	Screenshot after blood sampling	100153
	Screenshot before blood sampling	100152
	Screenshot of blood sampling confirmation	100154

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