Table 4.

BASC and SSIS Outcomes

			Immediate Treatment Effect				Delayed Treatment Effect
Construct	Reporter	Variable	Coefficient (SE)	χ2(1)	p-value	f2	Coefficient (SE)	χ2(1)	p-value	f2
BASC	Self-Reported	Social Stress	7.66 (3.43)	4.99	0.03*	0.04	5.19 (3.52)	2.18	0.14	0.06
		IPR	−9.99 (3.80)	6.90	0.01**	0.07	−5.91 (4.36)	1.84	0.17	<0.01
		Emotional Symptoms	2.22 (3.23)	0.47	0.49	<0.01	8.51 (3.98)	4.58	0.03*	0.11
		School Problem Composite	1.43 (2.67)	0.29	0.59	<0.01	−0.07 (3.36)	<0.01	0.98	<0.01
		Internalizing	−1.33 (2.97)	0.20	0.65	<0.01	−3.81 (3.87)	0.97	0.33	<0.01
		Attention/Hyperactivity	1.49 (3.25)	0.23	0.63	<0.01	−1.57 (3.63)	0.19	0.67	<0.01
		Social Skills	−5.42 (4.44)	1.49	0.22	<0.01	−3.30 (4.49)	0.54	0.46	<0.01
SSIS	Self-Reported	Problem Behaviors	0.28 (2.95)	0.01	0.92	<0.01	8.84 (4.08)	4.70	0.03*	0.11
		Externalizing	−0.17 (0.10)	3.14	0.08	0.08	3.77 (1.55)	5.88	0.02*	0.08
		Social Skills	−5.36 (4.56)	1.39	0.24	<0.01	−3.30 (4.49)	0.54	0.46	<0.01
		Internalizing	−0.06 (0.13)	0.24	0.62	<0.01	0.14 (0.15)	0.98	0.32	<0.01
	Teacher-Reported	Problem Behaviors	−0.07 (3.43)	<0.01	0.98	<0.01	1.11 (4.34)	0.07	0.80	<0.01
		Externalizing	0.09 (1.22)	0.01	0.94	<0.01	2.45 (1.71)	2.06	0.15	0.10
		Internalizing	0.30 (0.92)	0.11	0.74	<0.01	0.52 (1.51)	0.12	0.73	<0.01
		Social Skills	6.62 (4.42)	2.46	0.12	0.03	9.29 (4.16)	4.99	0.03*	0.09

Coefficients are obtained from linear mixed model controlling for IQ, Site, and Diagnosis with random intercept for individual. Treatment reference group is ENGAGE, so the coefficient corresponds to the treatment effect between SKILLS as compared to ENGAGE group.

^*Indicates significance at α=0.05

^**Indicates significance at α=0.05/3=0.0167