Table 2.

Hierarchical multiple regression analysis of serum hormone levels in male offspring at the onset of puberty.

	GnRH (pg/mL)			LH (mlU/mL)			FSH (mlU/mL)			Kisspeptin 1 (ng/mL)
	B	SE	P	B	SE	P	B	SE	P	B	SE	P
Timing of onset of puberty	1.195	3.353	0.730	0.755	0.757	0.345	0.163	0.292	0.091	0.041*	0.016	0.033
Groups	−10.541	15.755	0.520	−5.156	3.557	0.181	−2.786	1.374	0.073	0.018	0.077	0.823
R2	0.070			0.293			0.356			0.414
ΔR2	0.046			0.165			0.294			0.003
F	0.340			1.863			2.488			3.184

Groups: 0, control; 1, PNA. SE, standard error.

^*P < 0.05.