A school intervention for mental health literacy in adolescents: effects of a non-randomized cluster controlled trial

Table 5 Generalized mixed models for symptom profile recognition

	Symptom profile recognition
Independent variables¹	Beta	β	t	F
Intercept	.31
Group (0 = control, 1 = intervention)	.07	.22	3.25***	98.49***
Time (0 = pre-test, 1 = follow-up)	-.00	.00	0.14	155.96***
Group x Time	.27	.78	12.70***	161.19***
Age	ns
Grade				4.03*
9th vs 10th	.02	.05	ns
8th vs 10th	.11	.31	2.12*
Sex (0 = female, 1 = male)	-.14	-.42	8.17***	66.76***

Notes. Scores: Beta-values represent percentage of correct symptom profile recognition (ex: .31 = 31% correct). β = Standardized beta-values.
¹ School was controlled for, but did not contribute significantly in the model.
* p < .05, ** p < .01, *** p < .001. F-values are based on Type III sum-of-squares and corrected for non-orthogonality. As t-tests are uncorrected, F-tests are relied on for significance testing of effects.

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