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Table 4 Outcomes for measures of mental health literacy

From: 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

Mental health literacy outcomes Baseline 1-year follow up      
PFAa tMHFAb PFAc tMHFAd      
M SD M SD M SD M SD M diff 95% CI p de ICCf
Beliefs about adult help
 Johng 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
 Jeanieg 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
  1. All mixed models were adjusted for school, year, gender, age and K6 scores. Boldface indicates statistical significance
  2. 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
  3. bFor John vignette n = 807; for Jeanie vignette n = 792
  4. cFor John vignette n = 429; for Jeanie vignette n = 409
  5. dFor John vignette n = 465; for Jeanie vignette n = 446
  6. eLarge effect size Cohen’s d = 0.8, medium effect size d = 0.5, small effect size d = 0.2
  7. fPeriod-cluster intraclass correlation coefficients (ICC) indicate the proportion of variability in the outcome attributable across clusters
  8. 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)