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Table 1 Repeated measures ANOVA comparing intervention (N = 54) and control group (N = 66) pre and post intervention with regard to attitudes, intentional behaviour and mental health literacy

From: The effectiveness of an anti-stigma intervention in a basic police officer training programme: a controlled study

Area of investigation Group    Pre      Post   F Sign. Effect size
Attitudes (CAMI)   m SD M SD    
Overall score Intervention 4.65 .62 4.84 .56 6.19 .026 .37
  Comparison 4.62 .54 4.59 .63    
Open minded and pro integration Intervention 4.29 .80 4.59 .75 6.08 .026 .39
  Comparison 4.26 .77 4.25 .82    
Intentional behaviour (RIBS)         
I would be willing to work with someone with a mental health problem Intervention 3.25 1.25 3.51 1.35 6.27 .023 .35
  Comparison 3.16 1.23 2.98 1.14    
Mental health literacy (MAKS)         
If a friend had a mental health problem. I know what advice to give them to get professional help Intervention 3.40 1.01 4.05 .65 6.29 .021 .74
  Comparison 3.48 .89 3.50 .84    
Medication can be an effective treatment Intervention 4.00 .67 4.39 .61 10.27 .002 .71
  Comparison 4.25 .75 4.12 .80    
Psychotherapy can be an effective treatment Intervention 4.32 .55 4.62 .65 9.14 .005 .78
  Comparison 4.43 .66 4.24 .66    
People with severe mental health problems can fully recover Intervention 3.32 1.07 3.74 1.16 5.72 .049 .48
  Comparison 3.69 .91 3.61 1.06    
  1. Intention to treat analyses.