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Table 2 Valid data for dependent variables at pre-test and follow-up

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

Variable

Pre-test

Follow-up

Cases

Values

Cases

Values

Valid

Missing

Total

Freq.

Value

Valid

Missing

Total

Freq.

Value

N

%

N

%

N

%

n (%)

Mean (SD)

N

%

N

%

N

%

n (%)

Mean (SD)

Depression profile

934

87.3

136

12.7

1070

100

264 (28.3)

--

890

83.2

180

16.8

1070

100

367 (41.2)

 

Schizophrenia profile

934

87.3

136

12.7

1070

100

224 (24.0)

--

889

83.1

181

16.9

1070

100

350 (39.4)

 

Anxiety profile

935

87.4

135

12.6

1070

100

116 (12.4)

--

890

83.2

180

16.8

1070

100

258 (29.0)

 

Eating disorder profile

935

87.4

135

12.6

1070

100

619 (66.2)

--

889

83.1

181

16.9

1070

100

590 (66.4)

 

Mean symptom profile recognition

934

87.3

136

12.7

1070

100

--

0.33 (0.29)

889

83.1

181

16.9

1070

100

--

0.44 (0.38)

Mean prejudiced beliefs

930

86.9

140

13.1

1070

100

--

2.3 (0.77)

876

81.9

194

19.1

1070

100

--

2.2 (0.85)

Places for help

928

86.7

142

13.3

1070

100

  

884

82.6

186

17.3

1070

100

  

No places mentioned

      

222 (23.7)

       

171 (20.3)

 

Home/friends/internet

      

59 (6.3)

       

82 (9.7)

 

Primary health care

      

211 (22.6)

       

268 (31.7)

 

Specialist health care

      

443 (47.4)

       

324 (38.3)