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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 %