Table 1.

Electronic database search terms and combinations. Asterisks were used to search for words beginning with these letters.

Category		Search term
Intervention mode
	1	“mobile phone”
	2	smartphone
	3	“cell phone”
	4	“handheld device”
	5	text messag*
	6	SMSa
	7	“messag* service”
	8	“messaging system”
	9	mHealth
	10	telehealth
	11	“online health”
	12	e-Health
	13	eHealth
	14	“mobile health”
	15	“digital media”
	16	ICTb
	17	(1-16) combined with OR
Study design
	18	“randomised controlled”
	19	“randomized controlled”
	20	RCTd
	21	“controlled trial”
	22	quasi-experimental
	23	(18-22) combined with OR
Participants
	24	adolescen*
	25	youth
	26	“young people”
	27	“young adult*”
	28	child*
	29	paediatric
	30	pediatric
	31	teen*
	32	“school age”
	33	“school-aged”
	34	highschool
	35	“secondary school”
	36	(24-35) combined with OR
Behavior
	37	activity
	38	sport
	39	exercise
	40	health*
	41	“behaviour change”
	42	lifestyle
	43	sedentary
	44	sitting
	45	(37-44) combined with OR
	46	(17,23,36,45) combined with AND

^aSMS: short message service.

^bICT: information and communication technology.

^cRCT: randomized controlled trial.