Characteristics of the study sample of 1727 participants from the MRC National Survey of Health and Development at age 60–64.

Data are means (SD) and n (%).
aGrip strength: men = 793, women = 819; chair rise speed: men = 785, women = 832; standing balance time: men = 803, women = 848; TUG time: men = 765, women = 824;
bHeight: n = 834 for men; weight: n = 835 for men and n = 889 for women;
cMen = 792 and women = 845;
dMen = 833 and women = 886;
eMen = 761 and women = 817;
fMen = 835 and women = 888.
Note: Sedentary time was defined as a MET value of <1.5 in accordance with current convention [30] and MVPA as ≥3.0 METs using an individualised estimate of RMR to define one MET [31].
Characteristics of the study sample of 1727 participants from the MRC National Survey of Health and Development at age 60–64.