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Table 1 Descriptive statistics of study participants

From: Non-exercise based estimation of cardiorespiratory fitness is inversely associated with metabolic syndrome in a representative sample of Korean adults

CharacteristicWomen
(N = 13,400)
Men
(N = 9885)
Total
(N = 23,285)
Age (years)49.1 ± 16.149.0 ± 15.849.0 ± 16.0
Body mass index (kg/m2)a23.4 ± 3.524.0 ± 3.123.7 ± 3.3
Waist circumference (cm)a78.8 ± 10.084.6 ± 8.981.2 ± 9.9
Skeletal muscle index (%)a27.0 ± 2.734.1 ± 3.030.0 ± 4.5
Physical activity (METs-minutes/week)a2399.8 ± 3931.13299.4 ± 4885.42781.7 ± 4384.3
Resting heart rate (beats/min)a71.4 ± 9.170.1 ± 9.670.8 ± 9.3
eCRF (ml/kg/min)a29.0 ± 7.839.6 ± 7.633.5 ± 9.3
Systolic BP (mmHg)a116.7 ± 18.1121.8 ± 15.9118.8 ± 17.4
Diastolic BP (mmHg)a74.3 ± 10.379.7 ± 10.676.6 ± 10.7
Total cholesterol (mg/dL)a189.4 ± 36.6187.5 ± 35.7188.6 ± 36.3
HDL-C (mg/dL)a50.8 ± 11.645.8 ± 10.848.7 ± 11.5
Triglycerides (mg/dL)a115.8 ± 81.6159.7 ± 136.7134.5 ± 110.6
Glucose (mg/dL)a96.1 ± 21.7100.3 ± 25.397.9 ± 23.4
Insulin (μU/mL)a10.1 ± 5.99.9 ± 5.610.0 ± 5.8
HbA1c (%)a6.1 ± 1.26.2 ± 1.36.2 ± 1.3
HOMA-IR2.5 ± 2.32.5 ± 1.82.5 ± 2.1
Vitamin D (ng/mL)a17.2 ± 6.419.8 ± 6.918.3 ± 6.7
Caloric intake (kcal/day)a1648 ± 6412297 ± 9221907 ± 829
Protein (g/day)a57.9 ± 29.382.5 ± 43.767.7 ± 37.7
Fat (g/day)a30.9 ± 24.145.3 ± 35.636.6 ± 30.1
Carbohydrate (g/day)a285.6 ± 111.5354.9 ± 127.1313.2 ± 122.7
Current/past smokers, n (%)a1297 (9.7)7808 (79.0)9105 (39.1)
Heavy drinking, n (%)a619 (4.6)2389 (24.2)3008 (13.0)
  1. BP blood pressure, HDL-C high-density lipoprotein cholesterol, eCRF non-exercise-based estimation of cardiorespiratory fitness, HOMA homeostatic model assessment of insulin resistance
  2. aSignificant difference between men and women (p < 0.001)
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