Table 1.

Subjects’ characteristics by physical activity level

	No or low physical activity n = 59	Regular physical activity n = 23	P value*
Sex (women)	59.3%	30.4%	0.028
Age, years (mean, SD)	66.4 (4.68)	67.8 (4.63)	0.231
Education, years (mean, SD)	11.8 (4.37)	11.7 (4.00)	0.962
MMSE (mean, SD)	29.1 (0.98)	29.1 (1.31)	0.661
BMI, kg/m2 (mean, SD)	32.3 (3.12)	31.2 (2.84)	0.139
Metabolic syndrome components:
Low HDL---cholesterol	45.8%	60.9%	0.219
High triglycerides	55.9%	56.5%	0.961
Abdominal obesity	96.6%	91.3%	0.316
Hypertension	93.2%	73.9%	0.016
Hyperglycaemia and diabetes	69.5%	56.5%	0.614
Sum of metabolic syndrome components	3.61 (0.67)	3.39 (0.72)	0.219
Ever smoking	44.1%	52.2%	0.376
APOE4 carriers	11.9%	17.4%	0.509
Daily energy intake in kcal (mean, SD)	2147.8 (532.07)	2303.06 (395.19)	0.209

^*Obtained by Student’s T---test, Mann---Whitney or Chi---quared test, as appropriate