Table 1—

Baseline characteristics of men according to cardiorespiratory fitness levels (quartiles)

CharacteristicAll menQ1 (lowest)Q2Q3Q4 (highest)P
n4,7451,1841,1781,1871,196
Vo2max (ml · kg−1 · min−1)41.0 ± 7.932.4 ± 3.138.0 ± 2.542.4 ± 3.051.1 ± 6.2<0.001*
Age (years)31.4 ± 5.031.6 ± 4.931.2 ± 4.931.5 ± 5.031.2 ± 5.00.158*
BMI (kg/m2)22.9 ± 2.524.3 ± 2.722.9 ± 2.322.3 ± 2.422.0 ± 2.1<0.001*
Systolic blood pressure (mmHg)125.4 ± 11.6129.0 ± 11.1126.4 ± 11.5124.4 ± 11.5121.8 ± 11.2<0.001*
Diastolic blood pressure (mmHg)72.7 ± 9.075.7 ± 8.873.1 ± 8.872.0 ± 9.070.1 ± 8.4<0.001*
Current smokers (%)67.269.671.366.062.1<0.001
Current drinkers (%)69.169.171.269.866.70.118
  • Data are means ± SD, unless otherwise specified.

  • * ANOVA;

  • Kruskal-Wallis test.