. Author manuscript; available in PMC: 2020 Dec 1.

Published in final edited form as: J Am Med Dir Assoc. 2019 Jun 18;20(12):1535–1539.e3. doi: 10.1016/j.jamda.2019.04.019

Table A2.

The longitudinal association of lap time variation over time with MCI/AD with further adjustment for gait slowing

	Model 1: Unadjusted	Model 2: Model 1+ Δ in usual gait speed	Model 3: Model 1+ Δ in rapid gait speed

Case-control	0.075 (−0.034, 0.184) 0.176	0.043 (−0.067, 0.153) 0.440	0.048 (−0.063, 0.159) 0.393
*Case-controlinterval**	0.059 (0.015, 0.103) 0.009^*	0.044 (0.005, 0.084) 0.029^*	0.047 (0.004, 0.090) 0.031^*
Δ in usual gait speed	-	−0.338 (−0.722, 0.045) 0.084	-
*Δ in usual gait speedinterval**	-	−0.107 (−0.201, −0.014) 0.024^*	-
Δ in rapid gait speed	-	-	−0.102 (−0.393, 0.190) 0.493
*Δ in rapid gait speedinterval**	-	-	−0.043 (−0.114, 0.027) 0.230

Footnote:

p<0.05.

In Model 2 and Model 3, baseline gait speed and baseline gait speed*interval were included (not shown).