Research Article

Determinants of Resting Oxidative Stress in Middle-Aged and Elderly Men and Women: WASEDA’S Health Study

Table 3

Characteristics of the participants by protein carbonyl tertiles.

T1
()
T2
()
T3
()

Age and anthropometric parameters
Age (years)
BMI (kg/m2)
LBM (kg)
VFA (cm2)
Lifestyle-related parameters
Exercise habits (, %)197 (67.7)191 (65.6)185 (63.6)
Smokers (, %)18 (6.2)19 (6.5)17 (5.8)
Nondrinker (, %)55 (18.9)67 (23.0)55 (18.9)
Medication and supplementation status
Antioxidant supplementation (, %)43 (14.8)34 (11.7)39 (13.4)
Anti-inflammatory medication (, %)10 (3.4)11 (3.8)10 (3.4)
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.