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Table 1 Characteristics of depressive patients and non-depressive controls

From: Impaired pitch identification as a potential marker for depression

ICD-Diagnosis

BDIa

sex

age

musician

educationb

smoker

Depressive patients

F32.1

19

f

36

no

low

yes

F32.1

23

f

47

no

low

yes

F32.2

23

f

62

yes

high

no

F33.1

27

f

48

yes

high

yes

F33.1

27

f

63

no

middle

no

F33.2

29

f

55

no

low

yes

F32.1

15

m

24

yes

high

no

F32.2

31

m

27

no

high

yes

F33.2

34

m

36

no

high

yes

F33.3

11

m

52

no

high

yes

F33.3

34

m

40

no

low

yes

F33.3

17

m

55

no

high

no

M ± SD

24 ± 7

6/6

45 ± 12

3/9

4/1/7

8/4

Controls

 

4

f

47

no

middle

yes

 

8

f

51

no

middle

yes

 

8

f

60

yes

middle

no

 

1

f

50

yes

high

yes

 

0

f

62

no

middle

no

 

1

f

58

no

low

yes

 

3

m

22

yes

high

no

 

5

m

23

no

high

yes

 

1

m

39

no

high

no

 

2

m

56

no

middle

yes

 

0

m

42

no

middle

yes

 

1

m

52

no

high

yes

M ± SD

3 ± 3

6/6

46 ± 13

3/9

1/6/5

8/4

  1. a BDI = scores in the Beck Depression Inventory.
  2. b low = no secondary modern school; middle = secondary modern school education; high = matriculation standard.