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Table 2 Parallel analysis and percentage of variance explained by each factor of the BDI-II

From: Detecting depression among adolescents in Santiago, Chile: sex differences

  

Total

  

Boys

  

Girls

 

Factor

Real data

Mean random

P95random

Real data

Mean random

P95random

Real data

Mean random

P95random

1*

39.2

13.0

14.7

37.9

16.7

18.3

38.2

10.7

12.0

2

6.1

8.6

9.8

7.3

8.4

9.2

6.7

8.9

9.9

3

5.4

7.9

8.8

6.0

7.7

8.3

6.0

8.3

9.0

4

5.2

7.5

8.2

5.4

7.2

7.7

5.2

7.8

8.4

5

4.6

7.0

7.8

5.3

6.8

7.2

5.0

7.3

7.9

6

4.2

6.6

7.2

4.9

6.3

6.7

4.7

6.8

7.3

7

4.0

6.2

6.8

4.5

5.9

6.3

4.5

6.4

6.8

8

4.0

5.8

6.4

4.2

5.5

5.9

4.2

6.0

6.4

9

3.6

5.4

5.9

4.0

5.1

5.5

3.8

5.5

6.0

10

3.4

5.0

5.4

3.5

4.8

5.1

3.6

5.1

5.5

11

3.2

4.6

5.0

3.3

4.4

4.7

3.2

4.7

5.1

12

3.0

4.2

4.7

2.9

4.0

4.3

3.0

4.3

4.7

13

2.6

3.8

4.3

2.7

3.6

4.0

2.4

3.8

4.3

14

2.5

3.4

4.0

2.1

3.2

3.6

2.2

3.4

3.9

15

2.2

2.9

3.7

1.8

2.8

3.3

2.1

3.0

3.5

16

1.7

2.5

3.2

1.5

2.4

2.9

1.7

2.5

3.1

17

1.7

2.1

2.9

1.0

2.0

2.5

1.4

2.0

2.6

18

1.5

1.6

2.4

1.0

1.6

2.1

0.9

1.6

2.2

19

1.0

1.2

1.9

0.6

1.1

1.6

0.7

1.1

1.6

20

0.7

0.7

1.5

0.3

0.6

1.1

0.5

0.7

1.1

21

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

  1. * Advised number of factors; Real data = percentage of the variance explained in relation to the real data based on minimum rank factor analysis; Mean random = mean percentage of the variance explained by the random samples; P95 random = percentage of the variance explained over the 95 percentile of the random samples.