Table 1—

Baseline characteristics of both groups according to cardiorespiratory fitness level

OverallAllLowAverageHighDropouts
Age (years)68 ± 6
    Active68 ± 567 ± 665 ± 873 ± 767 ± 6
    Sedentary67 ± 471 ± 673 ± 474 ± 566 ± 4
Male (%)
    Active3844282835
    Sedentary3638313140
Height (cm)170 ± 2
    Active171 ± 1171 ± 2171 ± 2172 ± 1170 ± 1
    Sedentary169 ± 2170 ± 2168 ± 3171 ± 2173 ± 2
Weight (kg)80.0 ± 1.5
    Active79.8 ± 0.978.5 ± 1.681.0 ± 1.880.3 ± 1.680.8 ± 1.1
    Sedentary80.5 ± 1.281.5 ± 1.279.7 ± 2.081.1 ± 1.581.3 ± 1.8
BMI (kg/m2)27.5 ± 0.3
    Active27.3 ± 0.226.0 ± 4.328.6 ± 6.126.9 ± 4.127.0 ± 3.1
    Sedentary27.6 ± 0.427.4 ± 4.128.1 ± 7.127.4 ± 3.427.4 ± 3.7
Fat-free mass (kg)55.5 ± 1.6
    Active56.6 ± 1.058.2 ± 5.157.3 ± 5.354.4 ± 5.559.4 ± 6.1
    Sedentary54.4 ± 1.551.4 ± 4.355.6 ± 4.856.1 ± 4.657.1 ± 5.1
Waist circumference (cm)91.3 ± 6.1
    Active92.5 ± 4.594.3 ± 4.193.7 ± 3.989.4 ± 4.891.0 ± 3.8
    Sedentary90.5 ± 6.391.1 ± 5.093.1 ± 4.387.3 ± 4.591.3 ± 4.1
sBP (mmHg)129 ± 6
    Active129 ± 7133 ± 19128 ± 20129 ± 15130 ± 10
    Sedentary131 ± 8135 ± 12130 ± 17127 ± 10128 ± 8
dBP (mmHg)77 ± 4
    Active76 ± 675 ± 775 ± 576 ± 677 ± 7
    Sedentary79 ± 780 ± 577 ± 379 ± 578 ± 4
RPP (×103)26,988 ± 5,975
    Active26,759 ± 6,10422,625 ± 6,27825,334 ± 5,98129,645 ± 6,3322,734 ± 5,831
    Sedentary27,345 ± 5,87928,767 ± 7,53426,794 ± 6,76827,117 ± 6,9952,844 ± 6,531
Current smokers (%)6 ± 2
    Active5 ± 36 ± 27 ± 32 ± 43 ± 2
    Sedentary7 ± 37 ± 59 ± 36 ± 44 ± 3
METs5.7 ± 1.1
    Active5.7 ± 0.84.9 ± 0.45.1 ± 1.16.5 ± 1.95.8 ± 0.9
    Sedentary5.8 ± 1.04.4 ± 0.96.0 ± 0.87.2 ± 1.35.8 ± 1.1
Glucose (mmol/l)5.6 ± 0.08
    Active5.6 ± 1.45.9 ± 2.65.3 ± 2.55.5 ± 1.65.7 ± 1.1
    Sedentary5.6 ± 1.75.7 ± 2.15.5 ± 2.55.6 ± 1.95.6 ± 1.8
Total cholesterol (mmol/l)5.35 ± 1.6
    Active5.4 ± 1.65.5 ± 1.25.2 ± 1.05.6 ± 1.35.4 ± 2.0
    Sedentary5.3 ± 1.35.3 ± 1.65.1 ± 0.85.5 ± 0.95.5 ± 1.9
LDL cholesterol (mmol/l)2.9 ± 0.4
    Active2.6 ± 0.72.1 ± 0.92.1 ± 0.72.2 ± 0.72.5 ± 0.9
    Sedentary2.9 ± 0.92.4 ± 1.02.4 ± 0.62.2 ± 0.62.7 ± 1.1
HDL cholesterol (mmol/l)1.1 ± 0.2
    Active1.1 ± 0.31.1 ± 0.31.0 ± 0.11.3 ± 0.21.0 ± 0.4
    Sedentary1.1 ± 0.31.2 ± 0.41.1 ± 0.31.1 ± 0.21.2 ± 0.5
Triglycerides (μmol/l)2.17 ± 0.9
    Active2.14 ± 1.12.32 ± 1.02.00 ± 0.52.10 ± 0.92.2 ± 1.3
    Sedentary2.20 ± 1.22.55 ± 1.22.44 ± 1.02.38 ± 0.82.3 ± 1.6
Insulin-free (pmol/l)280 ± 189
    Active276 ± 200245 ± 210320 ± 315264 ± 283280 ± 251
    Sedentary311 ± 234238 ± 203329 ± 264270 ± 276297 ± 266
HOMA-IR7.08 ± 0.66
    Active6.86 ± 0.317.11 ± 0.246.99 ± 0.436.81 ± 0.377.08 ± 0.60
    Sedentary7.07 ± 0.407.16 ± 0.387.11 ± 0.456.98 ± 0.597.12 ± 0.38
Charlson Comorbidity Index score0.4 ± 0.4
    Active0.4 ± 0.20.3 ± 0.90.4 ± 1.00.5 ± 0.80.5 ± 0.3
    Sedentary0.4 ± 0.40.3 ± 0.40.4 ± 1.00.5 ± 0.80.4 ± 0.6
  • Data are means ± SD. Low, average, and high represent low, average, and high fitness tertiles for the study groups. dBP, diastolic blood pressure.