Table 1.

Strategy for systematic search in PubMed (adapted for other databases)

Search	Search Term Query	Results
#1	“Dementia”[Mesh] OR “dementi*”[tiab] OR “alzheimer*”[tiab] OR “mild cognitive impair*”[tiab] OR “MCI”[tiab]	265,571
#2	“Loneliness”[Mesh] OR “Social Isolation”[Mesh] OR “Social Participation”[Mesh] OR “Community Participation”[Mesh] OR “Quality of Life”[Mesh] OR “Independent Living”[Mesh] OR “loneliness”[tiab] OR “lonely”[tiab] OR “social isolation”[tiab] OR “social engagement”[tiab] OR “social inclusion”[tiab] OR “participation”[tiab] OR “involvement”[tiab] OR “quality of life”[tiab] OR “life qualit*”[tiab] OR “living qualit*”[tiab] OR “quality of living”[tiab] OR “qol”[tiab] OR “hrql”[tiab] OR “hrqol”[tiab] OR “wellbeing”[tiab] OR “well-being”[tiab] OR “independent liv*”[tiab]	1,031,523
#3	“Computers, handheld”[Mesh] OR “Mobile Applications”[Mesh] OR “Internet”[Mesh] OR “Robotics”[Mesh] OR “Technology”[Mesh] OR “Wearable Electronic Devices”[Mesh] OR “technolog*”[tiab] OR “mobile health*”[tiab] OR “mhealth*”[tiab] OR “m-health*”[tiab] OR “telehealth*”[tiab] OR “telehealth”[tiab] OR “digital health”[tiab] OR “app”[tiab] OR “apps”[tiab] OR “smartphone*”[tiab] OR “phone application*”[tiab] OR “telephone application*”[tiab] OR “mobile application*”[tiab] OR “health application*”[tiab] OR “internet*”[tiab] OR “world wide web*”[tiab] OR “ipad”[tiab] OR “ipads”[tiab] OR “laptop*”[tiab] OR “palmtop*”[tiab] OR “palm top*”[tiab] OR “personal digital assistant*”[tiab] OR “interactive voice response*”[tiab] OR “multimedia”[tiab] OR “Mhapps”[tiab] OR “mobile phone*”[tiab] OR “iphone*”[tiab] OR “android”[tiab] OR “game*”[tiab] OR “gaming”[tiab] OR “gamification”[tiab] OR “whatsapp*”[tiab] OR “e-coach*”[tiab] OR “wearable*”[tiab] OR “smartwatch”[tiab] OR “social media”[tiab] OR “online social network*”[tiab] OR “exergam*”[tiab] OR “serious gam*”[tiab] OR “chatbox*”[tiab] OR “chat*”[tiab] OR “robot*”[tiab	1,085,324
#4	#1 AND #2 AND #3	1,329