Evaluation of implementation: MATES mobile user engagement
MAY
We sought to evaluate the degree to which participants in the intervention arm participated in the intervention by recording app user engagement metrics. There were 86 active users across the period from 11 November 2019 until 31 May 2020. The number of unique users increased on the day of, and in the days after, invitations were sent. The average engagement time participants spent was 124.2 s per visit. Users spent most of their time on the toolbox section of the app, accounting for 55% of use with an average of 49.9 s. Video playing accounted for 2.7% of use, with an average of 34.8 s. The total engagement time during the first 3 months of follow-up was 7426.6 s, with an average daily use of 96.5 s.