Table 4.

Multivariate General Linear Regression Models Predicting Internalizing and Externalizing Scores at 3 Years (n = 296)

		Internalizing score		Externalizing score
		LSMean or coefficients	p value	LSMean or coefficients	p value
Demographics
Gender	Boy vs. girl	NS	NS	18.42 vs. 14.77	0.0063
Age	(as continuous)	NS	NS	NS	NS
Baseline MH severity
Internalizing scale	(as continuous)	0.3099	0.0002	NS	NS
Externalizing scale	(as continuous)	−0.1608	0.0565	NS	NS
Baseline SU severity
Counts of substance	(as continuous)	NS	NS	NS	NS
Treatment in the first year
CD Length of stay in days	(as continuous)	NS	NS	NS	NS
Psychiatric visits	1+ vs. 0	NS	NS	NS	NS
12-step meetings in past 6 months	10+ vs. 0–9	NS	NS	NS	NS
Short-term outcomes at 1 year
Abstinence	Yes vs. no	11.75 vs. 15.55	0.0012	15.13 vs. 18.06	0.0179
Anxious/depressed scale	(as continuous)	0.8645	<0.0001	0.3272	0.0387
Externalizing scale	(as continuous)	NS	NS	0.3876	<0.0001
Treatment services received in the second and third years
CD visit in the second year	1+ vs. 0	NS	NS	18.44 vs. 14.75	0.0523
CD visit in the third year	1+ vs. 0	NS	NS	NS	NS
CD treatment out-of-health-plan	Any in the 2 years vs. none	NS	NS	NS	NS
Psychiatric visits in the second year	1+ vs. 0	NS	NS	NS	NS
Psychiatric visits in the third year	1+ vs. 0
Psychiatric treatment out-of-health-plan	Any in the 2 years vs. none	15.77 vs. 11.54	0.0225	18.58 vs. 14.61	0.0432
12-step meetings in past 6 months	10+ vs. 0–9	NS	NS	NS	NS

Notes: LSMean were presented for categorical predictor variables and coefficients were presented for continuous predictor variables. NS, not significant; CD, chemical dependency; MH, mental health.