Table 2.

Search terms used.

Category	Terms
General search terms	“mHealth,” “mobile health,” “mobile phone,” “mobile tech*”
Hardware search terms	“Android,” “blackberry,” “cell phone,” “cellular phone,” “cellphone” “iPad,” “iPhone,” “PDA,” “personal digital assistant,” “smartphone,” “tablet”
SMS search terms	“sms,” “text messag*”
App search terms	“app,” “mobile app,*” “smartphone app*”

Given the extensive number of mHealth-related studies published in Journal of Medical Internet Research, we qualified the search within this journal by including terms narrowing our search to randomized controlled trials (RCTs).