TABLE 8.

Simultaneous multiple regression analyses predicting total scores on the PSWQ-C in each school grade separately.

Grade	Predictors	R 2	F		Beta	t
Grade 3 n = 55		0.44	13.38	***
	DASS-Y depression				0.60	3.97	***
	DASS-Y Aaxiety				−0.02	−0.12
	DASS-Y stress				0.11	0.76
Grade 4 n = 60		0.49	18.20	***
	DASS-Y depression				0.32	2.60	**
	DASS-Y anxiety				0.22	1.85
	DASS-Y stress				0.30	2.27	*
Grade 5 n = 90		0.65	52.57	***
	DASS-Y depression				0.18	2.07	*
	DASS-Y anxiety				0.26	3.03	**
	DASS-Y stress				0.50	6.13	***
Grade 6 n = 21		0.59	8.22	***
	DASS-Y depression				−0.14	−0.70
	DASS-Y anxiety				0.42	1.92
	DASS-Y stress				0.52	2.37	*
Grade 7 n = 140		0.62	73.11	***
	DASS-Y depression				0.22	3.19	**
	DASS-Y anxiety				0.22	2.93	*
	DASS-Y stress				0.46	6.23	***
Grade 8 n = 191		0.52	67.19	***
	DASS-Y depression				0.11	1.31
	DASS-Y anxiety				0.26	3.34	**
	DASS-Y stress				0.43	5.95	***
Grade 9 n = 235		0.58	105.87	***
	DASS-Y depression				0.07	1.11
	DASS-Y anxiety				0.19	2.76	**
	DASS-Y stress				0.57	9.65	***
Grade 10 n = 163		0.40	35.91	***
	DASS-Y depression				0.05	0.57
	DASS-Y anxiety				0.18	1.94
	DASS-Y stress				0.46	5.46	***

*p < 0.05, **p < 0.01, ***p < 0.001.

Data for PSWQ-C were only available for 11 students in Grade 11 and 3 students in Grade 12, therefore data for Grades 11 and 12 were not included in these analyses.

PSWQ-C, The Penn State Worry Questionnaire for Children (Chorpita et al., 1997).