. Author manuscript; available in PMC: 2018 Mar 20.

Published in final edited form as: J Alzheimers Dis. 2017;55(2):659–667. doi: 10.3233/JAD-160582

Table 1.

Sample Demographic Characteristics

	Mild AD (N=39)	Controls (N=53)	Total Sample (N=92)
	Mean (SD)	Mean (SD)	Mean (SD)
Age (years)	73.5 (7.9)	73.2 (6.5)	73.4 (7.1)
^{VO2max (ml/kg/min)}	21.6 (5.2)	22.2 (5.4)	22.1 (5.3)
Body Mass Index	27.3 (5.0)	26.4 (4.1)	26.8 (4.5)
Total physical activity (vm)^*	378119.0 (32004.3)	514326.3 (25877.24)	456586.2 (203818.1)
	N (%)	N (%)	N (%)
Mobility impairment (% indicating any impairment)	6 (10.5%)	4 (11.3%)	10 (11.0%)
Female^*	11 (28.2%)	37 (69.8%)	48 (52.2%)
Race (% white)	34 (87.2%)	51 (96.2%)	85 (92.4%)

Difference between Mild AD and Control:

p < 0.01

SD = standard deviation; V02max = maximal oxygen consumption; ml/kg/min = milliliters of oxygen per kilogram of body mass per minute; vm = vector magnitude