Study design and data collection
Participants’ adoption, acceptability, and sustained use with the digital interventions were investigated through a mixed-methods approach, where different methods were selected, and their results supplemented each other to address the study objectives. We used triangulation as a technique to combine the qualitative and quantitative results, to gain a more complete picture of the study objective (Semi-structured individual interviews were conducted via the video-based solution Teams (Microsoft, state, United States) at 6-month follow-up in a subsample of participants from all the three groups (