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Table 1 Response rates per hour in intervention test

From: Participatory development of MIDY (Mobile Intervention for Drinking in Young people)

Time sent

Number of surveys sent

Number of surveys completed

%

Pre-survey

40

40

(100 %)

8 pm

38

34

(89 %)

9 pm

37

30

(81 %)

10 pm

38

31

(82 %)

11 pm

35

32

(91 %)

12 am

29

22

(91 %)

1 am

22

20

(91 %)

2 am

12

10

(83 %)

12 pm (next day)

40

40

(100 %)

Total

295

262

89 %