. 2012 Jan 29;2012:316029. doi: 10.1100/2012/316029

Table 4.

Growth curve models for problem behavior indicators with subjects joining the Tier 1 Program and perceive the program as effective being experimental subjects.

	Dependent variables
	DELINQ	DRUG	BEINT	IPS	LPS	Tobacco	Alcohol	CAS	Solvent	Ecstasy	Heroin	Damage	Violence	Night	Trespasses
Intercept
Initial status	.22**	.07**	1.20	.00	.02**	.09**	.39**	.24**	.03**	.00	.00	.11**	.05**	.05**	.04**
Group	−.03**	−.01	−.01*	.00	.00	−.02*	−.03*	−.03**	.00	.00	.00	−01	−.01	−.01	−.01
Gender	−.05**	−.01**	−.05	.00	.00	−.03**	−.08**	−.05**	−.01	.00	.00	−.05**	−.03**	−.03**	−.01
Age	.06**	.04**	.06	.01**	.01**	.15**	.12**	.13**	.01*	.01**	.01	.05**	.03**	.09**	.02**

Linear
Initial status	.25**	.07**	.22**	.01**	.01**	.22**	.40**	.31**	.02**	.02**	.01**	.12**	.05**	.08**	.02**
Group	−.02*	.00	.02	−.01*	−.01**	.04*	.04*	.04**	−.01**	−.01*	−.01**	−.04*	−.01*	−.02*	−.01**
Gender	−.01	.00	.02*	−.01**	−.01*	.04*	.09**	.06**	−.01*	−.01*	−.01**	−.02	−.03**	−.02**	−.01*
Age	−.03	−.01*	.00	.00	−.01*	..04*	.00	.02	−.01*	.00	.00	−.02	−.02**	−.01	−.01*

Quadratic
Initial status	−.08**	−.01	−.06**	−.002*	−.003**	−.05**	-.10**	−.08**	−.004**	−.003**	−.002**	−.04**	−.01**	−.01	−.004**
Group	.01*	.00	−.02**	.001*	.001**	−.02*	−.02*	−.02**	.002**	.002*	.001**	.02**	.00	.003*	.003**
Gender	.00	.00	−.02**	.001*	.00	−.02**	−.04**	−.03**	.00	.001*	.001*	−.01	.01*	.00	.00
Age	.00	.00	.00	.00	.00	−.02*	.00	−.02*	.00	.00	.00	.00	.003*	.00	.003*

Cubic
Initial status	.01**	—	.01**	—	—	.01**	.01**	.01**	—	—	—	.003*	—	—	—
Group	.00	—	.002**	—	—	.003*	.003*	.003**	—	—	—	−.003**	—	—	—
Gender	.00	—	.002*	—	—	.003*	.005**	.004**	—	—	—	.00	—	—	—
Age	.00	—	.00	—	—	.004**	.00	.003*	—	—	—	.00	—	—	—

Note: DELINQ: scale score of the delinquency scale; DRUG: scale score of the substance abuse scale; BEINT: scale score of the intention of problem behavior scale; IPS: composite score of using illegal drugs (ketamine, cannabis, ecstasy and heroin); LPS: composite score of using legal drugs (organic solvent and cough medicine); CAS: composite score of using tobacco and alcohol; Damage: item score of damaging other's property; Violence: item score of violent behavior; Night: item score of staying outside home overnight without parental approval; Trespasses: item score of trespasses.

*P < 0.05, **P < 0.01.