Table 2.

Study and intervention characteristics organized by level of evidence.

	Study characteristics			Intervention characteristics
	Design	Study aim	Technology		Features	Intervention aim
Thompson et al [42], 2020	RCTa	Feasibility and preliminary efficacy	Smartphone or mobile apps		Daily tracker, in-person counseling, and resources information	Reduce substance use and risky sexual behaviors
Medalia et al [45], 2017	RCT	Feasibility	Computer		Computer exercises	Training in neurocognition
Linnemayr et al [38], 2021	Pilot RCT	Feasibility	Mobile phone		SMS text messages	Quit smoking
Tucker et al [39], 2020	Quasi-experimental	Development feasibility	Mobile phone		SMS text messages	Quit smoking
Chavez et al [44], 2020	Pilot RCT	Feasibility	Oculus Go headset		Virtual reality	Reduce anxiety and physiological stress
Schueller et al [19], 2019	Quasi-experimental	Feasibility	Smartphone or mobile apps		Push-in tips, daily tracker, phone calls, and SMS text messages	Brief emotional support and coping skills
Glover et al [40], 2019	Quasi-experimental	Feasibility	Smartphone and mobile apps		Push-in tips, daily tracker, hotline, text messages, automated systems, and resources information	Mental health resources, emotional support, and brief cognitive behavioral interventions
Leonard et al [43], 2018	Quasi-experimental	Feasibility	Smartphone and mobile apps and wrist-worn sensor band		Daily tracker, push-in tips, and self-report alert	Emotion regulation (adolescent mothers)
Sheoran et al [41], 2016	Quasi-experimental	Development and feasibility	Smartphone and mobile apps		Resources information	Access to health and vital resources
Chao et al [36], 2017	Quasi-experimentalb	Efficacy	Smartphone and mobile apps		Phone or video calls and push-in tips	Reduce alcohol and substance use
Karnik et al [46], 2017	Quasi-experimentalc	Feasibility	Smartphone and mobile apps		Phone calls and tracker	Cognitive behavioral therapy
Archie et al [47], 2018	Quasi-experimentalc	Preliminary evidence on efficacy	Video game		N/Ad	Raise awareness of marijuana use

^aRCT: randomized controlled trial.

^bPoster.

^cConference abstract.

^dN/A: not applicable.