Table 1. Sample description: Frequencies or mean scores (Standard Deviation, SD) in HRS, ELSA and SHARE.

Variables	Categories or range	HRSN = 11689	ELSAN = 6141	SHAREN = 30395
Mean mobility limitations	0–10	2.39 (2.60)	1.95 (2.52)	1.46 (2.18)
Mean IADL limitations	0–6	0.32 (0.90)	0.23 (0.73)	0.20 (0.75)
Mean Age	50–85	66.17 (8.75)	66.46 (8.60)	64.59 (9.16)
Sex %	Male	42.28	46.41	45.53%
	Female	57.72	53.59	54.47%
Education %	Low	17.84	42.88	48.50
	Medium	57.00	27.63	33.13
	High	25.16	29.49	18.36
Wealth %	Low	33.36	31.83	33.37
	Medium	33.37	33.63	33.34
	High	33.27	34.54	33.29
Partnership %	Yes	69.03	70.10	76.61
	No	30.97	29.90	23.39
Retired %	Yes	57.15	56.57	50.99
	No	42.85	43.43	49.01
Obesity %	Yes	30.05	28.48	18.33
	No	68.69	67.06	80.09
	not reliable	1.26	4.46	1.58
Diabetes %	Yes	18.63	9.92	10.42
	No	81.37	90.08	89.58
Hypertension %	Yes	54.28	34.82	34.74
	No	45.72	65.18	65.26
Current smoking %	Yes	14.00	13.84	20.74
	No	86.00	86.16	79.26
Physical inactivity %	Yes	15.98	15.70	10.21
	No	84.02	84.30	89.79