Table 2.

Difference in gait speed by age group.

Age Group	n (%)	Usual GS a	Texting GS a	Absolute Difference a	% Decrease in GS a
20–29	50 (16.2)	1.53	1.35	0.16	10.74
30–39	52 (16.9)	1.49	1.32	0.17	11.08
40–49	55 (17.9)	1.53	1.28	0.25	16.71
50–59	51(16.6)	1.47	1.07	0.38	25.93
≥60	100 (32.5)	1.42	1.00	0.43	30.37
Total	308 (100)	1.47 ***	1.16 ***	0.32 ***	22.25 ***

GS: gait speed in m/s; ^a Median; *** p < 0.001 (distribution significantly different across age groups).