Table A2.

Questions for the measures of ADL and IADL.

Variables	Questions
ADL	Do you have difficulty walking 100 m?
	Do you have difficulty getting up from a chair after sitting for a long period?
	Do you have difficulty climbing several flights of stairs without resting?
	Do you have difficulty stooping, kneeling or crouching?
	Do you have difficulty reaching or extending your arms above shoulder level?
	Do you have difficulty lifting or carrying weights over 5 kg, like a heavy bag of groceries?
	Do you have difficulty picking up a small coin from a table?
	Because of health and memory problems, do you have any difficulty dressing?
	Because of health and memory problems, do you have any difficulty bathing or showering?
	Because of health and memory problems, do you have any difficulty eating, such as cutting up your food?
	Do you have any difficulty getting into or out of bed?
	Because of health and memory problems, do you have any difficulties with using the toilet, including on and off?
	Because of health and memory problems, do you have any difficulties controlling urination and defecation?
IADL	Because of health and memory problems, do you have any difficulties doing household chores?
	Because of health and memory problems, do you have any difficulties preparing hot meals?
	Because of health and memory problems, do you have any difficulties shopping for groceries?
	Because of health and memory problems, do you have any difficulties managing your money, such as paying your bills, keeping track of expenses, or managing assets?
	Because of health and memory problems, do you have any difficulties making phone calls?

Notes: For each question, the possible answers are (1) No, I don't have any difficulty; (2) I have difficulty, but can still do it; (3) Yes, I have difficulty and need help; (4) I cannot do it.