Table 1.

Subject characteristics at study entry

High-Intensity Group (n = 31)Moderate-Intensity Group (n = 30)t (df)P Value
Women/men26/525/5
Age, yr32.1±7.033.0±7.0−0.51 (59)0.6143
Weight, lb.154.9±31.5149.2±18.50.82 (59)0.4140
Height, in.65.0±3.464.9±2.90.13 (59)0.8984
BMI, kg/m225.6±3.525.0±3.20.70 (59)0.4849
o2max, ml·kg−1·min−126.5±5.826.3±5.20.09 (59)0.9282
log TNF04.3±0.84.1±0.71.37 (54)0.1765
log TNF0.14.4±0.84.2±0.61.29 (54)0.2020
log TNF14.7±0.74.6±0.60.56 (54)0.5761
log TNF105.1±0.65.0±0.60.59 (54)0.5555
log TNF1005.4±0.65.2±0.61.26 (54)0.2135
  • Values are means ± SD; n, no. of subjects. df, Degrees of freedom; BMI, body mass index; V̇o2max, maximal O2 uptake; TNF0, TNF0.1, TNF1, TNF10, and TNF100, 0, 0.1, 1, 10, and 100 pg/ml tumor necrosis factor.