Determinants of Resting Oxidative Stress in Middle-Aged and Elderly Men and Women: WASEDA’S Health Study
Table 4
Characteristics of the participants by F2-isoprostane tertiles.
T1 ()
T2 ()
T3 ()
Age and anthropometric parameters
Age (years)
BMI (kg/m2)
LBM (kg)
VFA (cm2)
Lifestyle-related parameters
Exercise habits (, %)
190 (65.3)
194 (66.7)
189 (64.9)
Smokers (, %)
21 (7.2)
14 (4.8)
19 (6.5)
Nondrinker (, %)
65 (22.3)
49 (16.8)
63 (21.6)
Medication and supplementation status
Antioxidant supplementation (, %)
47 (16.2)
33 (11.3)
36 (12.4)
Anti-inflammatory medication (, %)
16 (5.5)
4 (1.4)
11 (3.8)
Physical fitness
Leg extension power (W)
CRF (mL/kg/min)
Biochemical parameters
Total-C (mg/dL)
HDL-C (mg/dL)
LDL-C (mg/dL)
TG (mg/dL)
Glucose (mg/dL)
HbA1c (%)
Nutritional intake status
Energy intake (kcal/day)
Vitamin A (μg RAE/day)
Vitamin C (mg/day)
α-Tocopherol (mg/day)
β-Carotene (μg/day)
Data for continuous variables are presented as the (SD), and data for categorical variables are presented as the number of persons () and percentage (%). BMI: body mass index; LBM: lean body mass; VFA: visceral fat area; CRF: cardiorespiratory fitness; total-C: total cholesterol; HDL-C: HDL cholesterol; LDL-C: low-density lipoprotein cholesterol; TG: triglycerides; glucose: fasting blood glucose; HbA1c: haemoglobin A1c; vitamin A: retinol activity equivalent; β-carotene: β-carotene equivalent.
