Table 1.

Descriptive statistics for age and raw Frailty Index at each wave in LBC1936

	N	Mean	SD	Range
Wave 1
Frailty Index	1005	.16	0.09	0 – 0.49
Age	1005	69.58	0.83	67.66 – 71.35
Wave 2
Frailty Index	866	0.18	0.09	0 – 0.55
Age	866	72.54	0.71	71.96 – 74.21
Wave 3
Frailty Index	697	.20	0.09	0.02 – 0.65
Age	697	76.30	0.68	74.64 – 77.75
Wave 4
Frailty Index	550	0.21	0.09	0.03 – 0.63
Age	550	79.38	0.62	78.01 – 80.93
Wave 5
Frailty Index	431	0.22	0.09	0.03 – 0.58
Age	431	82.06	0.54	80.98 – 83.19