Adherence
Nelson et al.,
Adherent was defined as meeting two of three of the following metrics: (1) wearing the Fitbit on > 75% of days, (2) completing > 75% of intervention sessions, or (3) posting in the Fitbit Community at least once per week on > 75% of weeks. Intervention session completion was tracked by peer mentors in a study database. Adherence to posting in the Fitbit Community was measured through manual review of posts. Fitbit data from the Charge 3 were used to calculate daily adherence to wearing the Fitbit. Fitbit data were wirelessly uploaded to the user’s personal Fitbit account and downloaded for analysis through Fitabase. Non-wear time was determined based on lack of heart rate or activity (steps or intensity) at any given minute (Nelson et al., 