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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.