Table 4.

Main effect analysis at the end of year 1 and year 2

Predictors	Posttest, year 1					Posttest, year 2
	Est.	SE	p-value	fdr p	ES [95% CI]	Est.	SE	p-value	fdr p	ES [95% CI]
BYI: anxiety scale
Intercept	49.17	2.59	0.001			53.65	2.72	0.001
Pretest	0.30	0.08	0.001			0.48	0.09	0.001
RANX vs. BaU	− 2.62	2.71	0.34	0.43	− 0.23 [− 0.70, 0.24]	− 6.67	2.72	0.02*	0.04*	− 0.57 [− 1.04, − 0.10]
RANX vs. RMATH	− 2.25	2.80	0.43	0.43	− 0.20 [− 0.70, 0.30]	− 1.26	2.80	0.66	0.66	− 0.11 [− 0.58, 0.37]
Race	− 1.07	2.51	0.67			2.92	2.57	0.26
Gender	1.80	2.21	0.42			1.91	2.30	0.41
SWD	4.47	2.63	0.09			− 2.81	2.86	0.33
Random effects	Var.	ICC				Var.	ICC
Residual	118.58	0.91				110.08	0.87
Tutor-level	6.55	0.05					0.00
Teacher-level	0.38	0.00				11.86	0.09
School-level	4.66	0.04				4.99	0.04
MASC: Physical Symptoms
Intercept	53.61	1.86	0.001			49.61	2.06	0.001
Pretest	0.29	0.08	0.001			0.35	0.09	0.001
RANX vs. BaU	− 4.45	2.15	0.04	0.09	− 0.49 [− 0.97, − 0.01]	− 2.24	2.38	0.351	0.70	− 0.23 [− 0.72, 0.26]
RANX vs. RMATH	− 1.28	2.25	0.57	0.57	− 0.12 [− 0.54, 0.30]	0.11	2.43	0.96	0.96	0.01 [− 0.50, 0.53]
Race	1.46	2.05	0.48			2.12	2.18	0.33
Gender	− 0.51	1.75	0.77			2.28	2.00	0.25
SWD	3.63	2.08	0.09			1.67	2.44	0.49
Random effects	Variance	ICC				Variance	ICC
Residual	65.46	0.77				86.13	0.99
Tutor-level	11.56	0.14					0.00
Teacher-level	7.63	0.09					0.00
School-level		0.00				0.89	0.01
MASC: Social Anxiety
Intercept	52.43	1.8	0.001			53.63	2.01	0.001
Pretest	0.47	0.08	0.001			0.56	0.09	0.001
RANX vs. BaU	− 4.09	2.08	0.05	0.11	− 0.40 [− 0.81, 0.01]	− 7.03	2.24	0.00*	0.01*	− 0.62 [− 1.03, − 0.22]
RANX vs. RMATH	− 1.17	2.09	0.58	0.58	− 0.11 [− 0.52, 0.29]	− 3.83	2.27	0.10	0.10	− 0.33 [− 0.72, 0.06]
Race	0.91	1.96	0.64			1.69	2.12	0.43
Gender	2.15	1.73	0.22			4.05	1.90	0.04
SWD	− 1.59	2.05	0.44			− 1.34	2.36	0.57
Random effects	Variance	ICC				Variance	ICC
Residual	74.81	0.94				72.21	0.83
Tutor-level		0.00					0.00
Teacher-level	4.88	0.06				15.23	0.17
School-level		0.00					0.00
MASC: Separation Anxiety
Intercept	56.32	2.04	0.001			57.36	2.20	0.001
Pretest	0.24	0.09	0.008			0.38	0.10	0.001
RANX vs. BaU	0.81	2.42	0.74	0.74	0.07 [− 0.37, 0.51]	− 3.32	2.48	0.18	0.38	− 0.30 [− 0.76, 0.15]
RANX vs. RMATH	2.30	2.42	0.68	0.68	0.23 [− 0.26, 0.73]	− 0.01	2.52	0.99	0.99	− 0.01 [− 0.47, 0.47]
Race	0.13	2.23	0.95			− 0.17	2.34	0.94
Gender	0.53	1.97	0.79			− 0.02	2.07	0.99
SWD	− 3.32	2.35	0.16			2.93	2.59	0.26
Random effects						Variance	ICC
Residual						88.77	0.86
Tutor-level							0.00
Teacher-level						14.54	0.14
School-level							0.00
Reading Anxiety Scale
Intercept	15.01	0.93	0.001			15.6	1.33	0.001
Pretest	0.44	0.08	0.001			0.38	0.10	0.001
RANX vs. BaU	− 1.43	1.10	0.20	0.19	− 0.26 [− 0.66, 0.14]	− 1.84	1.40	0.19	0.36	− 0.29 [− 0.74, 0.15]
RANX vs. RMATH	− 1.81	1.09	0.10	0.19	− 0.39 [− 0.86, 0.08]	− 1.31	1.41	0.36	0.36	− 0.24 [− 0.75, 0.027]
Race	− 1.68	1.01	0.10			− 0.31	1.28	0.81
Gender	− 0.37	0.90	0.68			− 0.03	1.17	0.98
SWD	0.88	1.07	0.41			− 1.00	1.44	0.49
Random effects						Variance	ICC
Residual						29.92	0.96
Tutor-level							0.00
Teacher-level							0.00
School-level						1.15	0.04

RANX, reading + anxiety; RMATH, reading + math; BaU, business as usual; BAI-Y, Beck Anxiety Inventory for Youth; MASC, Multidimensional Anxiety Scale for Children; FDR p, false discovery rate corrected p-value

^*p < .05