Table 4.

Comprehensive search strategy and methodological details

Database	Search query (Boolean operators: AND, OR)	Search Time Span
Web of Science (all database), PubMed, ProQuest, Embase, Central	#1 AB=(stress OR anxiety OR depression OR psychological stress OR emotional distress OR mental health OR Depression Anxiety Stress Scales OR DASS OR Self-rating Depression Scale OR SDS OR Hamilton Depression Rating Scale OR HAM-D OR Hospital Anxiety and Depression Scale OR HADS OR Self-rating Anxiety Scale OR SAS OR Hamilton Anxiety Rating Scale OR HAMA OR Beck Anxiety Inventory OR BAI OR State-Trait Anxiety Inventory OR STAI OR Profile of Mood States OR POMS OR visual analogue scales OR VAS OR Standard Stress Scale OR SSS OR Beck Depression Inventory-II OR BDI-II) #2 AB=(Virtual OR VR OR virtual reality OR virtual environment OR simulated environment OR immersive OR immersive virtual) #3 AB=(Outdoor OR environment OR Green OR outside OR environment OR forest OR woodland OR park OR greenspace OR open space OR green gym OR nature OR natural environment OR mountain OR garden OR wood OR wilderness OR countryside OR landscape OR beach OR sand) #1 AND #2 AND #3	Databases searched from inception to March 6, 2025.