teen Mental Health First Aid: 12-month outcomes from a cluster crossover randomized controlled trial evaluation of a universal program to help adolescents better support peers with a mental health problem

Table 4 Outcomes for measures of mental health literacy

Mental health literacy outcomes	Baseline				1-year follow up
	PFA^a		tMHFA^b		PFA^c		tMHFA^d
	M	SD	M	SD	M	SD	M	SD	M diff	95% CI	p	d^e	*ICC*^f
*Beliefs about adult help*
John^g	3.43	1.72	3.45	1.62	3.47	1.64	3.81	1.57	0.34	0.13–0.54	0.002	0.21	0.012
Jeanie^g	2.79	1.93	2.71	1.83	3.09	1.76	3.38	1.74	0.38	0.14–0.62	0.002	0.25	0.003
*Help seeking intentions*
John	2.97	1.34	2.94	1.34	2.90	1.40	3.16	1.35	0.27	0.10–0.44	.002	0.19	0.000
Jeanie	2.95	1.30	2.96	1.26	2.85	1.35	3.21	1.28	0.31	0.14–0.48	< .001	0.27	0.003

All mixed models were adjusted for school, year, gender, age and K6 scores. Boldface indicates statistical significance
^aFor John vignette depicting peer with symptoms of depression & suicide risk n = 791; for Jeanie vignette depicting peer with symptoms of social anxiety n = 769
^bFor John vignette n = 807; for Jeanie vignette n = 792
^cFor John vignette n = 429; for Jeanie vignette n = 409
^dFor John vignette n = 465; for Jeanie vignette n = 446
^eLarge effect size Cohen’s d = 0.8, medium effect size d = 0.5, small effect size d = 0.2
^fPeriod-cluster intraclass correlation coefficients (ICC) indicate the proportion of variability in the outcome attributable across clusters
^gScored when the following adults were rated as ‘Helpful’ (as opposed to Neither or Harmful): Counsellor, GP or family doctor, Minister or priest, Psychologist, School welfare coordinator/School counsellor, Teacher (0 to 6)

ISSN: 1471-2458