Table 4. Lifetime comorbidity of DSM-IV intermittent explosive disorder with other DSM-IV disorders.
| Broad1 | Narrow1: Broad-only1 | |||||||
|---|---|---|---|---|---|---|---|---|
| % | (se) | OR | (95% CI) | % | (se) | OR | (95% CI) | |
| I. Mood disornders | ||||||||
| Major depressive disorder | 37.3 | (2.3) | 2.8* | (2.2–3.6) | 37.9 | (2.7) | 1.2 | (0.7–2.1) |
| Dysthymia | 9.7 | (1.5) | 3.2* | (2.3–4.5) | 10.0 | (1.8) | 1.3 | (0.7–2.7) |
| Any mood disorder | 37.4 | (2.2) | 2.8* | (2.2–3.5) | 38.1 | (2.6) | 1.2 | (0.7–2.2) |
| II. Anxiety disorders | ||||||||
| Agoraphobia | 6.5 | (1.1) | 3.4* | (2.3–5.1) | 6.8 | (1.3) | 1.3 | (0.6–3.1) |
| Generalized anxiety disorder | 18.7 | (1.8) | 3.6* | (2.8–4.7) | 20.7 | (2.3) | 2.1* | (1.3–3.2) |
| Obsessive compulsive disorder | 4.4 | (1.5) | 2.5* | (1.1–5.7) | 4.5 | (1.9) | 1.1 | (0.2–6.9) |
| Panic disorder | 11.9 | (1.6) | 3.3* | (2.2–4.8) | 12.7 | (1.8) | 1.5 | (0.8–2.6) |
| Post-traumatic stress disorder | 15.2 | (1.5) | 3.0* | (2.3–4.1) | 16.6 | (2.0) | 1.7 | (0.9–3.2) |
| Social phobia | 28.3 | (1.5) | 3.1* | (2.5–3.7) | 29.3 | (1.9) | 1.3 | (0.8–2.1) |
| Specific phobia | 24.0 | (1.9) | 2.4* | (2.0–3.0) | 25.9 | (2.4) | 1.6 | (1.0–2.7) |
| Separation anxiety disorder | 10.5 | (1.1) | 2.9* | (2.2–4.0) | 10.5 | (1.4) | 1.0 | (0.5–1.8) |
| Any anxiety disorder | 58.1 | (1.9) | 3.8* | (3.1–4.6) | 60.2 | (2.4) | 1.5 | (1.0–2.3) |
| III. Impulse-control disorders | ||||||||
| Oppositional defiant disorder | 24.6 | (2.2) | 3.4* | (2.5–4.6) | 27.4 | (2.8) | 1.9* | (1.1–3.5) |
| Conduct disorder | 24.2 | (2.6) | 3.5* | (2.7–4.6) | 27.2 | (3.1) | 2.0* | (1.1–3.5) |
| Attention-deficit/hyperactivity disorder | 19.6 | (2.0) | 3.3* | (2.5–4.4) | 22.5 | (2.6) | 2.6* | (1.3–4.9) |
| Any impulse-control disorder | 44.9 | (2.2) | 4.1* | (3.3–5.0) | 49.5 | (2.8) | 2.1* | (1.2–3.7) |
| IV. Substance use disorders | ||||||||
| Alcohol abuse | 32.9 | (3.0) | 3.1* | (2.3–4.1) | 37.5 | (3.8) | 2.6* | (1.7–4.2) |
| Alcohol dependence with abuse | 17.0 | (2.0) | 3.6* | (2.5–5.0) | 18.6 | (2.5) | 1.6 | (1.0–2.7) |
| Drug abuse | 21.8 | (2.3) | 2.7* | (2.0–3.6) | 23.6 | (3.1) | 1.5 | (0.9–2.7) |
| Drug dependence with abuse | 10.5 | (1.4) | 3.4* | (2.3–5.0) | 11.4 | (1.8) | 1.5 | (0.7–3.2) |
| Any substance disorder | 35.1 | (2.9) | 2.9* | (2.2–3.9) | 39.6 | (3.7) | 2.4* | (1.5–3.8) |
| V. Any disorder | ||||||||
| At least one disorder | 81.8 | (2.0) | 5.6* | (4.1–7.5) | 84.3 | (2.3) | 1.8* | (1.1–3.0) |
| Exactly one disorder | 16.1 | (1.4) | 0.8 | (0.7–1.0) | 14.1 | (1.4) | 0.6 | (0.3–0.9) |
| Exactly two disorders | 17.4 | (1.6) | 1.9* | (1.4–2.4) | 17.2 | (2.0) | 0.9 | (0.5–1.6) |
| Three or more disorders | 48.3 | (2.5) | 4.7* | (3.6–6.0) | 53.0 | (3.1) | 2.3* | (1.4–3.6) |
| (n) | (5692) | (625) | ||||||
*
Significant at the .05 level, two-sided test, controlling for age, sex, and race-ethnicity
1
Narrow = three or more annual attacks in at least one year of life; Broad-only = three or more lifetime attacks without ever having as many as three attacks in a single year; Broad = Narrow or Broad-only.