Comparisons of participants separated according to their cognitive performance (n = 934).

*: abnormal score on the Short Mini-Mental State Examination (score = 5); †: abnormal score on the clock drawing test; ‡: participants with abnormal score on the Short Mini-Mental State Examination and the clock drawing test; ||: based on analysis of variance with LSD correction or Chi-square test, as appropriate; ¶: Use of benzodiazepines or antidepressants or neuroleptics; #: Score on 4-item geriatric depression scale ≥1; §: mean value of left and right side and based on graduated diapason placed on the tibial tuberosity; **: binocular vision acuity at distance of 5 m with a standard Monoyer letter chart; ††: mean value of the highest value of maximal isometric voluntary contraction strength measured with computerized dynamometers expressed in Newton per square meter; ‡‡: measured at steady state walking with GAITRite system; ¶¶: stride-to-stride variability of stride time measured at steady state walking with GAITRite system; ##: calculated from the formula (Timed up & Go realized – Timed up & Go imagined/((Timed up & Go realized – Timed up & Go imagined)/2) ×100; P-value significant (i.e.,