Table 2.

Between groups comparisons adjusted by BMI and Gender with no adjustment with age. Correlations between sensor-derived parameters with age, FES-I (fear of falling), and foot pain are reported. The asterisk symbol indicates a significant difference with p-value less than 0.05.

Parameter	Non-frail (n=43)	Pre-frail/Frail (n=76)	Effect Size	p-value †	Correlation with age (r) p-value	Correlation with FES-I1 (r) p-value	Correlation with foot pain2 (r) p-value
Total number of transitions, [n]	1174±468	878±333	0.73	0.001*	r=−0.51 p<0.001*	r=−0.24 p<0.001*	r=−0.09 p=0.321
Sit-to-stand, [n]	85±45	83±40	0.07	0.789	r=−0.19 p=0.040*	r=−0.11 p=0.009*	r=−0.04 p=0.679
Sit-to-walk, [n]	23±11	23±9	0.04	0.941	r=−0.18 p=0.044*	r=0.03 p=0.769	r=−0.01 p=0.981
Stand-to-sit, [n]	64±37	66±34	0.06	0.288	r=−0.05 p=0.554	r=−0.03 p=0.703	r=−0.01 p=0.972
Stand-to-walk, [n]	475±208	332±148	0.79	<0.001*	r=−0.53 p<0.001*	r=−0.25 p=0.007*	r=−0.10 p=0.266
Quick-sitting, [n]	45±16	40±15	0.29	0.097	r=−0.49 p<0.001*	r=−0.190 p=0.039*	r=−0.09 p=0.315
Walk-to-stand, [n]	453±202	314±141	0.79	<0.001*	r=−0.51 p<0.001*	r=−0.24 p=0.010*	r=−0.10 p=0.286
Ratio of cautious-sitting, [%]	47±14	49±12	0.22	0.025*	r=0.29 p=0.002*	r=0.147 p=0.111	r=0.12 p=0.185

¹Short fall efficacy scale international (FES-I)

²Visual analog scale between 0 and 10

^†Adjustment for multiple comparisons: Sidak.

Bolded values indicate statistical significant of p<0.050