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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: J Alzheimers Dis. 2017;59(4):1427–1437. doi: 10.3233/JAD-170116

Table 5.

Mixed effects models to examine changes in driving metrics over time according to cognitive status

Covariate Model 1: Daily Total Driving Distance
Model 2: Daily Total Driving Time
Coefficient p-value Coefficient p-value
MCI versus intact −0.26 0.37 −0.08 0.63
Time, days 0.0006 0.20 0.0003 0.31
MCI * time −0.001 0.24 −0.001 0.08
*

Driving variables log-transformed to obtain normal distribution.