Descriptive statistics for grip strength and chair rise time by age group and gender in each HALCyon cohort.

Note: LBC1921  =  Lothian Birth Cohort 1921; HAS  =  Hertfordshire Ageing Study; HCS  =  Hertfordshire Cohort Study; ELSA  =  English Longitudinal Study of Ageing; NSHD  =  MRC National Survey of Health and Development (1946 British birth cohort).
a: 53 y only in NSHD; 52–54 y in ELSA;
b: 59 y only in HCS;
c: 63–64 y in HAS; 62–64 y in HCS for chair rises;
d: 70–73 y in both HAS and HCS for grip strength; 72–74 y in HAS for chair rises;
e: 77–80 y in LBC1921;
f: 80–83 y in HAS.
†Estimated time for completion of 5 chair rises (for comparison with other cohorts).
*Approximate number of men (M) and women (W) study participants in each age category (Ns vary slightly between different capability measures and so those presented are for the sample with data on at least one of the capability measures unless the different capability measures have been assessed in different waves or on slightly different sub-samples):
HAS (grip strength): 63–64 y: M = 79, W = 40; 65–69 y: M = 264, W = 211; 70–74 y: M = 68, W = 54
HAS (chair rises): 72–74 y: M = 58, W = 36; 75–79 y: M = 106, W = 81; 80–83 y: M = 9, W = 4
HCS (grip strength): 59 y: M = 13, W = 0; 60–64 y: M = 642, W = 426; 65–69 y: M = 779, W = 809; 70–73 y: M = 138, W = 180
HCS (chair rises): 62–64 y: M = 53, W = 138; 65–69 y: M = 386, W = 543; 70–74 y: M = 208, W = 270
ELSA: 52–54 y: M = 291, W = 333; 55–59 y: M = 759, W = 906; 60–64 y: M = 577, W = 713; 65–69 y: M = 595, W = 678; 70–74 y: M = 507, W = 556; 75–79 y: M = 367, W = 461; 80–84 y: M = 233, W = 352; 85–89 y: M = 94, W = 164; 90+y: M = 28, W = 52.