Table 1

Demographic and clinical characteristics of patients with major depressive disorder with or without a history of suicide attempts and healthy controls

Group; mean ± SD*
CharacteristicsMDD with suicide attempts, n = 23MDD with no suicide attempts, n = 40Control, n = 46Statistical testp value
Female sex, %65.247.554.4χ 2 = 0.9140.40
Age, yr36.3 ± 14.534.0 ± 14.533.3 ± 11.4F = 0.4350.65
Education, yr11.7 ± 4.2712.0 ± 4.2713.5 ± 2.18F = 0.920.52
Duration of illness, mo49.1 ± 10373.6 ± 88.5—t = 0.990.32
HAM-D score24.1 ± 3.6822.2 ± 4.16—t = 1.810.08

  • HAM-D = Hamilton Rating Scale for Depression; MDD = major depressive disorder; SD = standard deviation.

  • ↵* Unless otherwise indicated.