Table 3. Socio-demographic correlates of lifetime DSM-IV intermittent explosive disorder.
| Broad1 | Narrow1 : Broad-only1 | |||||||
|---|---|---|---|---|---|---|---|---|
| % | (se) | OR | (95% CI) | % | (se) | OR | (95% CI) | |
| Sex | ||||||||
| Male | 9.3 | (0.7) | 1.7* | (1.3–2.1) | 74.1 | (3.5) | 1.1 | (0.7–1.7) |
| Female | 5.6 | (0.4) | 1.0 | -- | 74.7 | (2.1) | 1.0 | -- |
| χ21 (p-value) | 22.7 (<.001) | 0.1 (.72) | ||||||
| Age | ||||||||
| 18–29 | 12.1 | (1.1) | 4.3* | (2.1–9.0) | 79.1 | (2.6) | 1.5 | (0.5–4.5) |
| 30–44 | 9.0 | (0.9) | 2.9* | (1.3–6.3) | 72.5 | (3.5) | 1.0 | (0.4–3.0) |
| 45–59 | 5.3 | (0.5) | 1.6* | (0.8–3.5) | 69.7 | (4.2) | 1.0 | (0.3–2.8) |
| 60+ | 2.1 | (0.4) | 1.0 | -- | 69.8 | (7.3) | 1.0 | -- |
| χ23 (p-value) | 44.8 (<.001) | 3.4 (.33) | ||||||
| Race-ethnicity | ||||||||
| Non-Hispanic Black | 6.8 | (1.0) | 0.8 | (0.6–1.2) | 74.4 | (4.5) | 1.0 | (0.6–1.7) |
| Non-Hispanic White | 6.8 | (0.5) | 1.0 | -- | 73.8 | (2.7) | 1.0 | -- |
| Hispanic | 9.3 | (1.2) | 0.9 | (0.7–1.3) | 76.5 | (4.9) | 1.0 | (0.5–1.7) |
| Other | 13.5 | (2.6) | 1.9 | (1.2–3.0) | 74.8 | (6.3) | 0.9 | (0.4–1.9) |
| χ23 (p-value) | 14.0 (.003) | 0.2 (.98) | ||||||
| Education (years) | ||||||||
| 0–11 | 9.4 | (1.0) | 2.0* | (1.4–3.0) | 82.8 | (3.6) | 2.1 | (1.0–4.6) |
| 12 | 6.9 | (0.7) | 1.4* | (1.0–1.8) | 73.9 | (4.2) | 1.3 | (0.6–2.8) |
| 13–15 | 8.5 | (0.9) | 1.6* | (1.2–2.2) | 73.5 | (4.2) | 1.4 | (0.8–2.5) |
| 16+ | 5.0 | (0.5) | 1.0 | -- | 73.5 | (5.5) | 1.0 | -- |
| χ23 (p-value) | 17.2 (.001) | 4.2 (.24) | ||||||
| Marital status | ||||||||
| Never married | 9.6 | (1.1) | 0.7* | (0.5–0.9) | 76.4 | (3.4) | 0.9 | (0.6–1.5) |
| Previously married | 5.0 | (0.5) | 0.8* | (0.7–1.0) | 76.5 | (4.8) | 1.2 | (0.6–2.3) |
| Married-cohabitating | 7.2 | (0.4) | 1.0 | -- | 72.6 | (3.1) | 1.0 | -- |
| χ22 (p-value) | 9.1 (.011) | 0.5 (.79) | ||||||
| Occupational status | ||||||||
| Employed | 8.2 | (0.5) | 1.0 | -- | 73.0 | (2.3) | 1.0 | -- |
| Student | 9.2 | (4.1) | 0.8 | (0.3–2.2) | 76.0 | (7.7) | 0.9 | (0.4–1.9) |
| Homemaker | 4.5 | (1.1) | 0.6* | (0.4–1.0) | 89.0 | (6.4) | 2.9 | (0.7–12.8) |
| Retired | 1.5 | (0.4) | 0.4* | (0.2–0.8) | 57.1 | (12.4) | 0.5 | (0.1–2.1) |
| Other | 11.0 | (1.5) | 1.3 | (0.9–1.8) | 81.5 | (4.3) | 1.4 | (0.7–2.7) |
| χ24 (p-value) | 15.9 (.003) | 3.2 (.52) | ||||||
| Family income | ||||||||
| Low | 8.7 | (0.9) | 1.5* | (1.1–2.0) | 80.0 | (3.5) | 1.3 | (0.7–2.4) |
| Low-average | 7.4 | (0.8) | 1.3 | (0.9–1.8) | 74.9 | (2.9) | 1.1 | (0.5–2.3) |
| High-average | 7.7 | (0.5) | 1.3 | (1.0–1.8) | 73.6 | (3.9) | 1.2 | (0.6–2.3) |
| High | 5.5 | (0.7) | 1.0 | -- | 67.0 | (5.8) | 1.0 | -- |
| χ23 (p-value) | 8.0 (.045) | 1.7 (.64) | ||||||
| Urbanicity | ||||||||
| Major metropolitan city | 6.2 | (0.7) | 1.0 | -- | 79.6 | (4.3) | 1.0 | -- |
| Other city | 8.3 | (1.1) | 1.4 | (1.0–2.1) | 68.6 | (6.4) | 0.5 | (0.2–1.2) |
| Major metropolitan suburb | 7.3 | (0.9) | 1.2 | (0.9–1.8) | 73.5 | (3.4) | 0.7 | (0.3–1.6) |
| Other suburb | 8.4 | (0.8) | 1.5 | (1.0–2.1) | 71.4 | (4.5) | 0.7 | (0.3–1.4) |
| Non-MSA | 6.8 | (0.6) | 1.2 | (0.8–1.7) | 77.2 | (4.2) | 0.9 | (0.4–1.9) |
| χ24 (p-value) | 6.0 (.20) | 3.8 (.44) | ||||||
| Overall | ||||||||
| χ2 | 456.4 (<.001) | 55.8 (<.001) | ||||||
| (n) | (5692) | (625) | ||||||
*
Significant at the .05 level, two-sided test
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.