Table 3. Summary of themes and sub-themes derived from the FGs.

Topic	Themes and subthemes
1. Current use of parks
Park Use	(1i) Using parks for exercise*
	(1ii) Using parks for social interaction*
	(1iii) Using parks for relaxation and enjoyment
2. Barriers and facilitators to doing physical activity
Barriers	(2i) Intrinsic lack of motivation
	(2ii) Comfort-zoning (also being too tired, too lazy)*
	(2iii) Risk of injury
	(2iiia) Traditional Chinese Medicine
	(2iiib) Body ailments
Facilitators	(2iv) Restorative/invigorating effects of physical activity
	(2v) Opportunities for social interaction*
	(2vi) Peer-motivation
3. Barriers and facilitators to using parks
Barriers	(3i) Safety concerns about parks
	(3ia) Fear of crime
	(3iib) Unsafe park facilities
	(3ii) Haze and hot weather*
	(3iii) Traveling distance to parks
Facilitators	(3iv) Number of facilities
	(3v) Scenery and landscape
4. Preferences for a physical activity program in the park
Preferred type	(4i) Simple and easy-to-master activities*
	(4ii) Lower intensity activities*
	(4iii) Family-friendly activities
	(4iv) Solitary activities, appealing to males
Preferred frequency, timing and structure	(4v) Unstructured events, allowing people to come and go
	(4va) Multiple sessions a week
	(4vb) Informal learning through ‘community of practice’, or informal group
	(4vi) Timing at weekday evening and/or weekend morning

*Consistent with quantitative questionnaire findings