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. 2014 May 13;6:85. doi: 10.3389/fnagi.2014.00085

Table 1.

Demographic characteristics.

Variable N Age (years) Gender Years of license km/year Gearbox
M (SD) Male Female M (SD) M (SD) A M A/M
Simulator training 31 71.74 (5.18) 22 9 49.77 (5.16) 11909 (7338) 14 11 6
Cognitive training 23 72.30 (6.46) 15 8 50.21 (5.95) 8973 (6067) 11 10 2
No training 23 73.26 (5.38) 18 5 51.34 (6.85) 10934 (5079) 8 10 5

A, automatic; M, manual.