Table 2.

Questionnaire of intergenerational support.

Scale	Items	Response options	Categorization
Intergenerational economic support	(1) During last year, what was the amount of economic support received from [Child Name]?	>0	Receive
		< 0	No receive
	(2) During last year, what was the amount of economic support provided to [Child Name]?	>0	Provide
		< 0	No Provide
Intergenerational care support	(3) Who most often helps you with (dressing, bathing, eating, getting out of bed, using the toilet, controlling urination and defecation, doing chores, preparing hot meals, shopping, managing money, making phone calls, taking medications)?	Children	Receive
	(4) Suppose that in the future, you needed help with basic daily activities like eating or dressing. Do you have relatives or friends (besides your spouse/partner) who would be willing and able to help you over a long period of time?	Other options	No receive
	(5) During last year, did you/your spouse spend time in taking care of your grandchildren?	Yes	Provide
		No	No Provide
Intergenerational emotional support	(6) How often do you contact with [Child Name] on phone/by message/ on WeChat/ by mail/ by email?	Almost never	No receive
		Other options	Receive
	(7) How often do you contact with [Child Name] on phone/by message/ on WeChat/ by mail/ by email?	Almost never	No Provide
		Other options	Provide