Table 3

Correlations between VO2max, HRV (SD1/SD2), design fluency (DF) test results and military performance

VariableDesign fluency testMilitary performance
PrePost
Total correctTotal incorrectTotal correctTotal incorrectP-indP-lead
VO2max (L/min)0.06−0.080.020.020.28*0.18
VO2max (mL/kg/min)0.070.160.100.100.210.16
Pre HRV SD1/SD2−0.24−0.09
Post HRV SD1/SD2−0.26*−0.27*0.40**0.32*
  • Values are Pearson’s or Spearman’s correlations, where appropriate.

  • *p<0.05, **p<0.01.

  • HRV, heart rate variability; P-ind, individual military performance; P-lead, military leadership performance; VO2max, maximal oxygen uptake.