Table 1 Characteristics of depressive population in comparison to controls

Age^a

72.95 (7.63)^a

71.91 (8.14)^b

0.345

F

54 (81.8)

48 (75.8)

0.405

 Never studied

0 (0)

6 (9.7)

0.076

 Until first degree

53 (80.3)

45 (72.6)

 Up to second degree

7 (10.6)

5 (8.1)

 Higher and/or postgraduate

6 (9.1)

6 (9.7)

 A

4 (6.1)

0 (0)

< 0.001

 B

20 (30.3)

1 (20)

 C

39 (59.1)

43 (69.4)

 D

3 (4.5)

15 (24.2)

 E

0 (0)

3 (4.8)

 Sim

7 (10.6)

54 (87.1)

< 0.001