Table 1.

Description of the data collected in each study phase including an analysis summary.

Collection phase	Description	Analysis summary
	Demographics PHQ-9	Descriptive statistics Descriptive statistics
Initial	UTAUT2	Not presented here
interview	Audio recording of cognitive walkthrough	- Transcribed by professional service - “Think-aloud” feedback used to summarize common errors and issues
Intervention	Morning mood question responses Evening activity questions responses	Descriptive statistics of completion, errant responses Descriptive statistics of completion, errant responses
pilot	Steps activity	Descriptive statistics of sync completion
	Sleep activity	Descriptive statistics of sync completion
Follow-up	UTAUT2 Audio recording regarding	Not presented here - Transcribed by professional service
interview	intervention feedback	- Transcripts iteratively reviewed to identify potential areas for improvement of the intervention