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. 2015 Jul 31;10(7):e0131937. doi: 10.1371/journal.pone.0131937

Table 2. Comorbidity patterns of DSM-IV major depressive episode with other DSM-IV mental disorders and suicidal behaviors in the Iraqi general population.

12-month disorders 12-month MDE (1) # with comorbid disorder % (SE) OR (95%CI) significance
Dysthymia 187 16 7.5 (3.4) 0.0 (0.0–0.0) Chi2 = 84.2, p < .001
Any mood disorder 187 20 11.2 (2.5) 0.0 (0.0–0.0) Chi2 = 88.1, p < .001
Generalized anxiety disorder 187 58 31.1 (5.1) 24.8 (14.2–43.5) Chi2 = 131.7, p < .001
Specific phobia 187 30 17.4 (5.0) 6.7 (3.2–14.0) Chi2 = 26.7, p < .001
Social phobia 187 6 5.1 (2.5) 12.7 (3.9–41.7) Chi2 = 18.4, p < .001
Post-traumatic stress disorder 187 23 7.3 (1.8) 8.3 (4.4–15.8) Chi2 = 44.1, p < .001
Panic disorder 187 14 11.0 (4.1) 20.5 (8.8–48.0) Chi2 = 50.7, p < .001
Any anxiety disorder 187 99 50.7 (6.1) 16.1 (9.4–27.5) Chi2 = 107.0, p < .001
Any substance disorder 187 2 2.5 (2.4) 15.3 (1.8–128.3) Chi2 = 6.6, p = .010
Intermittent explosive disorder 187 9 4.7 (2.4) 3.4 (1.0–11.1) Chi2 = 4.1, p = .043
Any impulse disorder 187 10 5.1 (2.4) 3.6 (1.2–11.3) Chi2 = 5.2, p = .022
Any disorder 187 111 58.5 (5.8) 18.4 (11.1–30.5) Chi2 = 134.5, p < .001
Exactly 1 disorder 187 68 34.9 (6.8) 12.9 (6.8–24.7) Chi2 = 62.8, p < .001
Exactly 2 disorders 187 32 14.6 (3.9) 14.5 (5.4–39.1) Chi2 = 102.9, p < .001
3+ disorders 187 11 9.0 (3.9) 16.7 (4.8–58.1) Chi2 = 48.0, p < .001
12-month suicidal behaviors
Suicidal ideation 187 24 7.6 (2.8) 11.9 (4.9–29.0) Chi2 = 31.0, p < .001
Suicidal plans 187 10 2.2 (0.9) 14.5 (5.4–39.1) Chi2 = 29.2, p < .001
Suicidal attempt 187 8 2.6 (1.2) 16.7 (4.8–58.1) Chi2 = 20.4, p < .001

(1) Specific disorders with n<5 are omitted in Table 2. Any mood disorder also includes bipolar disorder (n = 5), any anxiety disorder also includes agoraphobia without panic (n = 4), any substance disorder also includes alcohol abuse disorder (n = 1) and drug abuse disorder (n = 1), any impulse disorder also includes attention deficit disorder (n = 2).