Table 2.

Hormone concentrations [Geometric Mean (95% Confidence Interval)] at baseline and at 3 and 12 months in exercise intervention and control participants

Baseline3 MonthsP*12 MonthsP
Androstenedione (pg/mL)
    Exercisers533 (494-575)480 (439-525)0.15480 (447-516)0.89
    Controls585 (541-633)566 (524-611)525 (489-564)
DHEA (ng/mL)
    Exercisers2.19 (1.93-2.49)2.00 (1.73-2.30)0.211.93 (1.68-2.20)0.47
    Controls2.46 (2.22-2.72)2.39 (2.15-2.65)2.24 (2.03-2.47)
DHEA-S (μg/dL)
    Exercisers53.0 (45.5-61.8)49.0 (41.9-57.3)0.5047.8 (41.2-55.5)0.57
    Controls63.1 (54.8-72.7)58.5 (50.6-67.6)58.5 (50.9-67.2)
Testosterone (pg/mL)
    Exercisers211 (196-228)207 (191-224)0.95208 (190-227)0.94
    Controls223 (204-243)218 (201-238)218 (199-239)
Free testosterone (pg/mL)
    Exercisers4.6 (4.2-4.9)4.3 (4.0-4.7)0.284.3 (3.9-4.7)0.42
    Controls4.7 (4.3-5.2)4.6 (4.3-5.1)4.6 (4.2-5.0)
  • * Difference in hormone change from baseline to 3 months in exercisers versus controls resulting from repeated-measures analysis.

  • Difference in hormone change from baseline to 12 months in exercisers versus controls resulting from repeated-measures analysis.