Table 1.

Descriptive statistics and bivariate correlations

		Descriptive statistics			Bivariate correlations
	N	M	Range	SD	1	2	3	4	5	6	7	8	9	10	11
Independent variable
1. ADHD	283	51.80	30–90	16.24	--
2. CP	283	53.58	50–100	6.37	0.58**	--
3. CU	283	18.82	3–45	8.39	0.28**	0.30**	--
Functioning
4. Peer	283	50.65	23–60	7.39	−0.10+	−0.20**	−0.23**	--
5. Family	282	43.07	20–58	11.04	−0.25**	−0.24**	−0.17**	0.21**	--
6. Education	261	49.61	23–60	9.77	−0.51**	−0.39**	−0.33**	0.25**	0.29**	--
7. Job	232	49.03	24–58	7.61	−0.46**	−0.42**	−0.25**	0.23**	0.29**	0.63**	--
Psychopathology
8. Tobacco use	282	50.66	50–67	1.99	0.07	0.07	0.14*	−0.04	0.05	−0.06	−0.04	--
9. Alcohol use	283	60.07	50–84	7.96	0.09	0.02	0.01	0.19**	0.02	−0.10	−0.18*	0.11+	--
10. Drug use	283	54.42	50–100	8.76	0.22**	0.08	0.07	0.03	0.08	−0.16*	−0.08	0.17**	0.41**	--
11. Internalizing	283	55.66	50–100	8.75	0.55**	0.70**	0.21**	−0.30**	−0.27**	−0.54**	−0.54**	−0.05	−0.05	0.08	--

Note. For predictor variables, substance use variables, and internalizing problems higher scores indicate greater impairment. For all other measures, higher scores indicate more adaptive functioning.

^**p<0.01,

^*p<0.05,

⁺p<0.10