. 2020 Oct 2;9(10):e19720. doi: 10.2196/19720

Table 2.

Summary of measures and data collection timepoints.

Day or measure		0		7		14		21		28		84		168
Questionnaires (Multimedia Appendix 2)
	Informed consents		I^a/C^b		—^c		—		—		—		—		—
	Sociodemographic		I/C		—		—		—		—		—		—
	Resource utilization		I/C		—		—		—		I/C		I/C		I/C
	Depression (PHQ2^d) [53]		I/C		I/C		I/C		I/C		I/C		I/C		I/C
	Anxiety (GAD2^e) [54]		I/C		I/C		I/C		I/C		I/C		I/C		I/C
	International Trauma Questionnaire for PTSD^f [55]		I/C		—		—		—		I/C		I/C		I/C
	Readiness to Change Ruler [56]		I/C		—		—		—		I/C		I/C		I/C
	Self-Efficacy Ruler [56]		I/C		—		—		—		I/C		I/C		I/C
	Alcohol Use Disorder Identification Test [57]		I/C		—		—		—		I/C		I/C		I/C
	World Health Organization Quality of Life-BREF [58]		I/C		—		—		—		I/C		I/C		I/C
	7-day Timeline Follow-Back for alcohol consumption [43]		I/C		—		—		—		I/C		I/C		I/C
Usability evaluation
	Qualitative interviews^g		—		—		—		—		I/C		—		—
	mHealth App Usability Questionnaire [59]		—		—		—		—		I/C		—		—
Remote data collection
	Wearable sensors^h		I/C		I/C		I/C		I/C		I/C		I/C		I/C
	Smartphone sensors^h		I/C		I/C		I/C		I/C		I/C		I/C		I/C

^aI: Intervention arm.

^bC: Control arm.

^c—: no data is collected during this period.

^dPHQ2: Patient Health Questionnaire 2-item.

^eGAD2: Generalized Anxiety Questionnaire 2-item.

^fPTSD: posttraumatic stress disorder.

^g20 participants will be invited to participate in a qualitative interview.

^hAdditional participant consent required.