Table 3.

Characteristics of those who do and do not engage in Physical Activity (PA)

	No PA (N = 267; n=39 [14.6%] MCI incidence)	Any PA (N = 597; n=33 [5.5%] MCI incidence)	Test-statistic§, P-value
Age, mean (SD)	78.8 (6.8)	78.1 (6.7)	1.56, 0.1196
Gender, n (%) Female	186 (69.7)	361 (60.5)	6.71, 0.0096
Education, n (%) > HS	121 (45.3)	282 (47.2)	0.27, 0.6016
Race, n (%) Non-white	12 (4.5)	23 (3.9)	0.20, 0.6584
MMSE Score, mean (SD)	28.1 (1.8)	27.9 (1.9)	1.59, 0.1127
Depression Symptoms (N = 863), n (%) ≥ 1 symptoms	37 (13.9)	88 (14.7)	0.10, 0.7489
Self-rated Health (N = 863), n (%) very good/excellent	93 (34.8)	277 (46.5)	10.21, 0.0014
Prescription Medications, n (%) ≥ 4 medications	163 (61.1)	316 (52.9)	4.92, 0.0265
Waist-to-hip Ratio, mean (SD) (N = 828)	0.898 (0.091)	0.899 (0.085)	−0.44, 0.6564
Cognitive Activity, mean (SD)	42.1 (10.3)	44.8 (8.6)	−4.03, <0.0001
Cognitive Activity, n (%) High	104 (39.0)	318 (53.3)	15.13, 0.0001

^§The continuous variables were examined by the Wilcoxon rank sum test and the categorical variables were examined by the Chi-squared test or Fisher's exact test when appropriate.