Table 3.

List of the core variables for the harmonized ATHLOS datasets and the studies including potential information to be harmonized in at least one population or wave

Domain	Sub-domains	10/66	ALSA	ATTICA	CHARLS	COURAGE	ELSA	ENRICA	HAPIEE	H2000/11	HRS	JSTAR	KLOSA	MHAS	SAGE	SHARE	TILDA	UBCoS
Sociodemographic and economic characteristics	Birth	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Sex	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Marital status	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Education	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Living alone	✓	✓	×	✓	✓	✓	✓	×	✓	✓	×	✓	×	✓	✓	✓	✓
	Employment/retirement	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Wealth	✓	✓	×	✓	✓	✓	×	×	✓	✓	✓	✓	✓	✓	✓	✓	✓
Lifestyle and health behaviours	Tobacco	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Alcohol	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Physical activity	✓	✓	✓	✓	✓	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓
Health status and functional limitations	Memory	✓	×	×	✓	✓	✓	×	×	✓	✓	×	×	✓	✓	✓	✓	×
	Dizziness	×	✓	×	×	×	✓	×	×	×	✓	×	×	×	×	✓	×	×
	Orientation	✓	✓	×	✓	✓	✓	✓	×	×	✓	✓	×	×	×	✓	✓	×
	Walking speed	×	×	×	✓	✓	✓	✓	×	✓	✓	×	×	✓	✓	✓	✓	×
	Energy	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Sleep	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Pain	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	×	✓	✓	✓	✓	✓	×
	Incontinence	✓	✓	×	✓	×	✓	✓	×	✓	✓	×	✓	✓	×	✓	✓	×
	Hearing/sight	✓	✓	×	✓	✓	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	×
	Mobility	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Activities of Daily Living (ADL)	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Instrumental ADL	✓	✓	×	✓	✓	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	×
	Cognitive impairment	✓	×	×	✓	✓	✓	✓	✓	×	✓	✓	×	✓	✓	✓	✓	×
	Self-reported health	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Falls	✓	✓	×	✓	×	✓	✓	×	✓	✓	×	✓	✓	×	✓	✓	×
Diseases	Diabetes	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Respiratory	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Hypertension	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Joint disorders	✓	✓	×	✓	✓	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Cardiovascular disease	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Cancer	×	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×	✓	✓	✓
Death	Living status	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×	✓	×	✓
Physical measures	Body measures	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Grip strength	×	✓	×	✓	✓	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Blood pressure	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
Psychological measures	Screening measure of cognition	×	✓	×	×	✓	×	✓	×	✓	×	×	✓	×	×	×	✓	×
	Depression	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Anxiety	✓	×	✓	×	✓	✓	✓	×	✓	×	×	×	×	✓	×	✓	×
Laboratory measures	Glucose, cholesterol, …	×	×	✓	×	×	✓	✓	✓	✓	×	×	×	✓	×	×	✓	×
Social environment and life events	Social network	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Social support	✓	✓	×	✓	✓	✓	✓	✓	✓	×	✓	✓	✓	✓	✓	✓	×
	Social participation	✓	✓	×	✓	✓	✓	×	✓	✓	×	✓	✓	✓	✓	✓	✓	×
	Social trust/cohesion	×	×	×	×	✓	✓	×	✓	✓	×	✓	×	×	✓	✓	×	×
	Life events	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
	Loneliness	✓	✓	×	✓	✓	✓	×	✓	✓	✓	✓	✓	✓	✓	✓	✓	×
Administrative variables	ID participant/household, date of interview, etc.	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓