Item	Question		before Participation	after Participation
Your own health status	Q1. Physical health status
	Q2. Mental health status	Q2a. I think I am helpful to others, and my life is enjoyable.
		Q2b. Most of the time I feel calm and relaxed.
Neighbourhood health status	Q3. Neighbourhood harmony and inclusiveness
	Q4. Community Cohesion	Q4a. Residents are willing to help each other when facing difficulties.
		Q4b. Residents actively participate in collective actions.
Spatial environment health status	Q5. Community garden’s appearance
	Q6. Community garden’s Spatial and ecological functions	Q6a. Spatial functions for learning, entertainments and socialisation activities.
		Q6b. Ecosystem such as purification of water and air, plants and insects.