Table 1.

Characteristics of study participants

Variable	Value
Female, %	65.6
Age, years, mean (SD)	63.93 (5.82)
Body mass index, kg/m2, mean (SD)	28.11 (5.63)
Mini-Mental State Examination, mean (SD)	29.28 (0.98)
APOE ε4 positive, %	46.2
Family history positive, %	69.9
On beta-blocker therapy, %	7.5
Actigraph worn, days, mean (SD)	6.5 (0.56)
Actigraph daily wear time, hours, mean (SD)	15.33 (1.1)
Sedentary %, mean (SD), median, IQR	72.1 (7.5), 72.6, 10.7
LPA %, mean (SD), median, IQR	18.6 (5.4), 17.6, 7.1
MPA %, mean (SD), median, IQR	7.9 (3.3), 7.5, 4.1
VPA %, mean (SD), median, IQR	1.4 (1.4), 1.1, 1.6

APOE ε4, apolipoprotein E ε4 allele; LPA, light intensity physical activity; MPA, moderate intensity physical activity; VPA, vigorous intensity physical activity; IQR, interquartile range.