Table 1 Means (SE) of salivary hormone levels.

P values indicate differences between substance groups. For cortisol, there was only a general effect of time, that is, decreasing cortisol levels in the course of the experiment.

PlaceboTestosteroneP value
Testosterone levels (pg/ml)
  At baseline22.2 (2.8)23.6 (3.0)0.74
  3 hours after administration15.2 (2.0)1361.4 (290.1)<0.001
  5 hours after administration21.4 (2.4)450.2 (78.8)<0.001
Cortisol levels (nM)
  At baseline16.7 (2.4)14.5 (1.2)0.42
  3 hours after administration6.6 (1.2)5.3 (0.4)0.32
  5 hours after administration6.1 (0.5)5.8 (0.4)0.62