: Data-Field 110006

Data-Field 110006

Description:	Invitation to physical activity study, date sent
Category:	Additional exposures ⏵ Physical activity measurement
	Physical measures + Communication and participation in extension studies

Participants

233,258

Date

Both sexes

Jul 2014

233,258

Data

Singular

Dec 2015

Ongoing

Primary

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Data

233,258 items of data are available, covering 233,258 participants.

Maximum	2015-12-03
Decile 9	2015-09-03
Decile 8	2015-06-18
Decile 7	2015-04-02
Decile 6	2015-01-23
Median	2014-11-07
Decile 4	2014-08-29
Decile 3	2014-05-30
Decile 2	2014-03-06
Decile 1	2013-11-18
Minimum	2013-05-10

There are 111 distinct values.
Mean = 2014-10-24

Notes

Date of invitation to physical activity study. The rate of sending email invitations was varied dynamically to achieve a target throughput of 200 devices per day.

1 Related Data-Field

Field ID	Description	Relationship
110005	Invitation to physical activity stud ...	Field 110005 is the response to the invitation sent on Current Field

5 Resources

Preview	Name	Res ID
	Accelerometer Enclosure Differences	2070
	Accelerometer Processing Source Code	90216
	Instructions for wearing activity monitor	141141
	Large Scale Population Assessment of Physical Activity Using Wrist Worn Accelerometers in UKB	169649
	Physical activity monitor : description and methods	131600

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