Population	Intervention	Study design
“old adults” [Title/Abstract]	“Step counter” [Title/Abstract]	“randomized controlled trial” [Title/Abstract]
elderly[Title/Abstract]	“physical activity monitor” [Title/Abstract]	“controlled clinical trial” [Title/Abstract]
“Above 60 years” [Title/Abstract]	“step monitor” [Title/Abstract]	“cross-over trial” [Title/Abstract]
Seniors [Title/Abstract]	Pedometer [Title/Abstract]	“cross over trial” [Title/Abstract]
Aged [MeSH]	Fitbit [Title/Abstract]	“randomized” [Title/Abstract]
Aged, 80 and over [MeSH]	“activity monitor” [Title/Abstract]	“clinical trial” [Title/Abstract]
Frail elderly [MeSH]	“nokia go” [Title/Abstract]	“randomly” [Title/Abstract]
‘older people’. [Title/Abstract]	“misfit ray” [Title/Abstract]
‘older adults’ [Title/Abstract]	“moov now” [Title/Abstract]
	“accelerometer-based tracker” [Title/Abstract]
	“xiaomi mi band” [Title/Abstract]
	“tomtom” [Title/Abstract]
	“vivoactive” [Title/Abstract]
	“jawbone” [Title/Abstract]
	“movement counter” [Title/Abstract]
	“quantified movement” [Title/Abstract]
	“fitness tracker” [Title/Abstract]
	“activity monitoring device” [Title/Abstract] physic* AND activit* AND monitor* [Title/Abstract] PAM[Title/Abstract] AND monitor*[Title/Abstract]