Table 3.

Regressions of clinical predictors on baseline cortisol.

Step		b	SE b	β
1	(Constant)	4.04	0.34
	ADHD symptoms	−0.07	0.03	−0.21**
2	(Constant)	3.87	0.34
	ADHD symptoms	−0.09	0.03	−0.24**
	CD symptoms	0.09	0.04	0.16*

Note: R²for step 1=0.04; ΔR²for step 2=0.03.

^*p<0.05.

^**p<0.001.