Table 2 Completion and evaluation of diary protocol

No. of completed diaries (std.)

162.57 (17.09)

Burden on a scale from 1 (almost no burden) to 10 (extremely burdening) (std.)

3.21 (1.42)

 I did not have my phone with me or was unaware of receiving a text message.

11

 Due to technical issues, I did not receive the text message or could not open the link.

9

 I was already asleep.

10

 I could not motivate myself to fill in in the diary.

13

 I was engaged in an activity I did not want to interrupt.

64

 I was in a location where it was impossible to fill in the diary.

7

 Other^a

6

 Missing or not applicable^b

2