Table 1.

Participants’ characteristics.

Region	ID	Gender	Age	Civil status	Previous professions	Current occupations/leisure activities
Switzerland	S01_M_68	m	68	Divorced	Mechanic, technologist	Playing guitar, walking/hiking group
	S02_M_92	m	92	Widower	Carpenter	Retired
	S03_M_75	m	75	Married	Factory, construction worker, gardener	Traveling, gardening
	S04_F_70	f	70	Married	Housewife, kiosk owner	Playing board games, walking
	S05_M_72	m	72	Divorced	Field service (sales)	Riding motorbike, walking, breeding spiders
	S06_M_73	m	73	Married	Police ambulance driver	Retired
	S07_M_73	m	73	Married	Law, trade	Working as a lawyer, store managing, gardening
	S08_F_75	f	75	Married	Law	Taking care of grandchildren, travel
	S09_F_85	f	85	Married	Farmer, cook	Retired
	S10_F_69	f	69	Divorced	Secretary	Volunteering
	S11_F_74	f	74	Married	Employee (university degree)	Working as a translator, housing, traveling, taking care of grand-children
	S12_F_74	f	74	Married	Employee	Volunteering, teaching, hiking, taking care of grand children
	S13_M_78	m	78	Married	Employee, law, judge	Volunteering, skiing, walking, gardening
Hong Kong	HK01_F_83	f	83	Widow	Housewife	Going to elderly centre, eating dim sum with friends, travelling
	HK02_F_68	f	68	Married	Housewife	Doing housework, doing exercise, texting with friends (WhatsApp), travelling with friends, going to elderly centre
	HK03_F_75	f	75	Married	Travel agent	Going to gym, doing exercise, fitness class, yoga class, climbing, swimming, walking, church activities, watching “Youtube”, texting with friends (WhatsApp)
	HK04_F_81	f	81	Married	Domestic helper	Doing exercise, going to elderly centre, eating dim sum with friends, visiting relatives, doing housework
	HK05_F_73	f	73	Widow	Clerk	Hiking, eating dim sum with friends, going to elderly centre, dancing, visiting elders, cycling machine
	HK06_F_75	f	75	Married	Factory worker	Walking, cycling, eating dim sum with friends, volunteer (visiting elders), taking grandchildren to school, going to elderly centre
	HK07_F_85	f	85	Widow	Housewife	Doing housework, walking, weaving/handicraft, eating dim sum with daughters, going to elderly centre
	HK08_F_80	f	80	Married	Tea seller/ factory worker	Volunteering (dancing class helper+ councillor's office + visiting elderly), doing exercise, eating dim sum, going to elderly centre, doing housework
	HK09_F_76	f	76	Married	Hardware business owner	Doing exercise, using smartphone, doing housework, browsing internet (Youtube), going to elderly centre, going to church and park
	HK10_F_72	f	72	Married	Cleaner	Doing exercise, doing housework, going to elderly centre, phonecall with friends, eating dim sum with children
	HK11_F_81	f	81	Widow	Grocery store worker	Doing housework, doing exercise, going to elderly centre and Po Leung Kuk, taking photos, walking in the park
	HK12_F_84	f	84	Widow	Accountant	Doing exercise in the park, reading books and newspaper, phonecall with friends