Latent variable

observation variable

Safety

A1 lighting level

A2 Community Security

A3 road surface smoothness

A4 Motor Vehicle Flow

A5 pedestrian and vehicle diversion

Comfort

B1 Pedestrian Road Width

B2 pavement

B3 Activity Area

B4 Air quality

B5 noise

Aesthetics

C1 Plant richness

C2 color saturation

C3 Environmental Hygiene

C4 Cultural Landscape

C5 Piece Quantity

Reachability

D1 sidewalk connectivity

D2 Number of entrances and exits

D3 reachability of entertainment places

D4 reachability of traffic stops

D5 reachability of public service facilities

Facility completeness

F1 fitness equipment

F2 recreational facilities

F3trash can

F4 Toilet

F5 sunshade and rain shelter facilities

Dynamic Communication Activity

G1 Group Dance

G2 Ball Games

G3 Walking and Running

G4 equipment exercise

Static Communication Activity

P1 Chess and Card

P2 Chat

P3 onlookers

P4 Use of Electronic Products

Subjective Happiness

Q1 Full of fun in communication

Q2 Relieve stress after socializing

Q3 Feeling relatively comfortable after socializing

Q4 Communication makes me feel satisfied with life

Q5 I will recommend this place for social activities to others