Table 1.

Inclusion criteria according to the PICOS system.

Criteria	Description of inclusion criteria
Participants	Adults who are free of CVDa or T2DMb.
Intervention	Health promotion interventions that use mobile health technology (ie, mobile app or SMS text messaging) aiming to change more than 1 risk factor for 1 of the 2 chronic conditions under study.
Comparator	No intervention (ie, standard care), or waitlist control, or intervention delivered in person.
Outcome	Onset of disease (CVD or T2DM) or relative risk reduction, which can be in the form of surrogate parameters.
Study design	Randomized controlled trial, case-control study, or interrupted time series.

^aCVD: cardiovascular disease.

^bT2DM: type 2 diabetes mellitus.