Fig. 2.

Engagement with self-monitoring of behaviours across the nine-month programme, compared with the time spent on the app.

Note. n(provider A) = 940; n(provider C) = 283; n(provider D) = 603.

Note. If users self-monitored more than one behaviour/outcome during one individual occasion, this was reported as individual instances of self-monitoring.

^a Engagement period denotes 30 day periods: engagement period 1 = days 1 to 30; engagement period 2 = days 31 to 60, etc.