. Author manuscript; available in PMC: 2015 Aug 1.

Published in final edited form as: J Consult Clin Psychol. 2015 Jun 22;83(4):728–735. doi: 10.1037/ccp0000030

Table 3.

Summary of 3-level Growth Curve Analyses on Growth Rate

Variable	Fixed Effect					Random Effect
	Fixed Effect					Level-3				Level-2				Level-1
	Coef.	SE	t-value	DF	p-value	Var	χ²	DF	p-value	Var	χ²	DF	p-value	Level-1
Externalizing -Teacher
*Model for Intercept, P0*
Intercept, G000	38.09	1.69	22.53	58	0.000	40.82	117.78	58	0.000	93.49	499.29	285	0.000	185.60
IGCP, G001	5.91	2.36	2.51	58	0.015
Inhibitory, G010	−1.17	1.31	−0.89	358	0.372
*Model for Time Slope, P1*
Intercept, G100	−8.72	2.21	−3.95	58	0.000	22.98	126.87	58	0.000	9.80	371.96	285	0.001
IGCP, G101	−3.95	1.71	−2.31	58	0.025
Inhibitory, G110	−1.54	1.15	−1.34	358	0.181
Inhibitory*IGCP,G111	3.63	1.60	2.27	358	0.024
*Model TimeSQ Slope, P2*
Intercept, G200	2.69	0.95	2.84	958	0.005
Externalizing -Parent
*Model for Intercept, P0*
Intercept, G000	27.29	1.12	24.32	58	0.000	9.32	82.02	58	0.021	156.1	1909.4	279	0.000	33.31
IGCP, G001	2.85	1.55	1.84	58	0.070
Inhibitory, G010	−3.36	1.04	−3.24	358	0.002
*Model for Time Slope, P1*
Intercept, G100	−5.13	0.83	−6.18	58	0.000	0.03	51.20	58	>.500	55.49	464.63	279	0.000
IGCP, G101	0.09	0.50	0.19	58	0.850
Inhibitory, G110	0.55	0.52	1.07	358	0.287
Inhibitory*IGCP,G111	0.13	0.76	0.18	358	0.860
*Model TimeSQ Slope, P2*
Intercept, G200	1.73	0.32	5.46	359	0.000					6.32	422.31	339	0.002
Internalizing –Teacher
*Model for Intercept, P0*
Intercept, G000	14.08	1.01	13.92	58	0.000	20.75	192.78	58	0.000	18.78	464.03	285	0.000	43.23
IGCP, G001	2.40	1.42	1.69	58	0.096
Inhibitory, G010	−0.12	0.61	−0.20	358	0.842
*Model for Time Slope, P1*
Intercept, G100	−5.34	1.13	−4.72	58	0.000	10.24	196.34	58	0.000	0.92	352.42	285	0.004
IGCP, G101	−2.05	0.99	−2.07	58	0.043
Inhibitory, G110	−0.15	0.51	−0.30	358	0.767
Inhibitory*IGCP,G111	0.15	0.65	0.23	358	0.818
*Model TimeSQ Slope, P2*
Intercept, G200	1.60	0.46	3.52	958	0.001
Internalizing –Parent
*Model for Intercept, P0*
Intercept, G000	24.13	0.84	28.61	58	0.000	0.06	49.16	58	>.500	109.9	1822.5	279	0.000	32.47
IGCP, G001	3.24	1.16	2.79	58	0.008
Inhibitory, G010	−1.24	0.90	−1.38	358	0.169
*Model for Time Slope, P1*
Intercept, G100	−3.54	0.78	−4.56	58	0.000	0.39	69.07	58	0.152	36.30	387.65	279	0.000
IGCP, G101	−0.53	0.44	−1.20	58	0.235
Inhibitory, G110	0.21	0.42	0.52	358	0.606
Inhibitory*IGCP,G111	0.45	0.59	0.76	358	0.448
*Model TimeSQ Slope, P2*
Intercept, G200	1.05	0.29	3.61	359	0.001					2.90	339.00	339	>.500
Peer Deviance-Teacher
*Model for Intercept, P0*
Intercept, G000	1.86	0.05	36.85	58	0.000	0.03	93.94	58	0.002	0.05	406.94	285	0.000	0.27
IGCP, G001	0.16	0.07	2.23	58	0.030
Inhibitory, G010	0.06	0.04	1.29	358	0.199
*Model for Time Slope, P1*
Intercept, G100	−0.06	0.08	−0.71	58	0.479	0.01	85.26	58	0.011	0.01	370.75	285	0.001
IGCP, G101	−0.13	0.05	−2.50	58	0.016
Inhibitory, G110	−0.10	0.04	−2.36	358	0.019
Inhibitory*IGCP,G111	0.10	0.06	1.71	358	0.088
*Model TimeSQ Slope, P2*
Intercept, G200	0.07	0.04	1.85	961	0.064
Peer Deviance-Parent
*Model for Intercept, P0*
Intercept, G000	1.56	0.03	45.79	58	0.000	0.005	71.17	58	0.115	0.13	994.18	279	0.000	0.08
IGCP, G001	0.03	0.07	0.60	58	0.551
Inhibitory, G010	−0.09	0.03	−2.68	358	0.008
*Model for Time Slope, P1*
Intercept, G100	−0.17	0.04	−4.20	58	0.000	0.0001	53.61	58	>.500	0.13	470.30	279	0.000
IGCP, G101	−0.02	0.02	−0.78	58	0.436
Inhibitory, G110	0.02	0.02	1.18	358	0.240
Inhibitory*IGCP,G111	0.01	0.03	0.22	358	0.826
*Model TimeSQ Slope, P2*
Intercept, G200	0.07	0.02	4.13	359	0.000					0.02	463.05	339	0.000

Note:

1) Inhibitory Control (from the Early Adolescent Temperament Questionnaire) is a Level-2 variable

2) IGCP is the Level-3 intervention condition, and is dummy coded as 1=ICP and 0=GCP.