Table 1.

Complete list of terms to be input into each database, separated into clusters of main key terms.

Cluster	Search items
A (older adults)	“older adult$” OR “senior$” OR “elderly” OR “elder$” OR “aged 50” OR “50+”
B (intervention)	“intervention$” OR “treatment$” OR “therapy”
C (mental health)	“mental health” OR “mental illness” OR “mental disorder$” OR “psychiatric illness*” OR “depress*” OR “anxiety”
D (technology)	“technol*” OR “digital” OR “online” OR “internet” OR “mobile” OR “electronic*” OR “social media” OR “smartphone$” OR “web*” OR “mobile app*” OR “smartphone app*” OR “VR” OR “AR” OR “virtual reality” OR “augmented reality” OR “wearable tech*” OR “wearable$” OR “computer*” OR “personal digital assistant$” OR “PDA$” OR “laptop$” OR “e-reader$” OR “Enterprise digital assistant$” OR “EDA$”