Table 1.

PRECIS-2 scores for the mHealth Lakefolk Actively Keeping Engaged (mLAKE) trial

Domains	Scorea	Rationale
Eligibility	5	All residents ≥ 15 years of age are eligible for study participation, identical to usual care
Recruitment	4	Recruitment effort (community sensitization, drama shows, and Health Scouts approaching residents) is likely modestly above what would be expected in usual care
Setting	4	The setting is mostly similar in key characteristics (e.g., high-risk population) to other usual-care settings
Organization	3	The care delivery organization is likely much higher resourced than most usual-care organizations but efforts were made to replicate more usual-care resource capacity
Flexibility (delivery)	5	Flexibility is anticipated to be the same in how the intervention is delivered in the trial and flexibility anticipated in usual care
Flexibility (adherence)	5	No special trial measures to promote participant participation with Health Scout intervention
Follow-up	3	Participants being surveyed every at regular intervals in this trial which may be different from other settings
Primary outcome	5	Outcome is very directly relevant to participants
Primary analyses	5	All data will be included in the analysis of the primary outcomes

^aPRECIS 5-point Likert Scale, 1 = very explanatory, 2 = rather explanatory, 3 = equally pragmatic/explanatory, 4 = rather pragmatic, 5 = very pragmatic