Driving tasks involving texting and eating were associated with significant impairment in driving performance measures for SDLP compared to baseline driving ( 46.0 0.08 vs. 41.3 0.06 cm and 44.8 0.10 vs. 41.6 0.07 cm , respectively ) , number of lane departures compared to baseline driving ( 10.9 7.8 vs. 7.6 7.1 and 9.4 7.5 vs. 7.1 7.0 , respectively ) , and auditory reaction time compared to baseline driving ( 922 95 vs. 889 104 ms and 933 101 vs. 901 103 ms , respectively ) .