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233,416 items of data are available, covering 233,416 participants.
- There are 111 distinct values.
- Mean = 2014-10-24
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-Fields
|110005||Invitation to physical activity stud ...||Field 110005 is the response to the invitation sent on Current Field|