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. Author manuscript; available in PMC: 2012 Mar 14.
Published in final edited form as: Am J Orthopsychiatry. 2008 Jan;78(1):133–139. doi: 10.1037/0002-9432.78.1.133

Table 1. Bivariate and Multivariate Associations of Demographic and Personal Factors With Lifetime and 12-Month Intermittent Explosive Disorder (IED).

Lifetime IED (n = 158) 12-month IED (n = 106)


% (SE) OR (95% CI) % (SE) OR (95% CI)
Total 5.84 (0.65) 4.09 (0.47)
Sex
 Male 6.68 (0.82) 1.38(1.01,1.87) 4.68 (0.61) 1.37 (0.87,2.15)
 Female 4.95 (0.71) 1.0 3.47 (0.64) 1.0
(p = .0432)1 (p = .1676)
Age
 18–34 years 6.84 (1.05) 4.69 (0.98,22.35) 4.81 (0.80) 4.71 (0.54,40.88)
 35–49 years 5.53 (0.98) 3.74 (0.96,14.50) 3.61 (0.71) 3.50 (0.50,24.50)
 50–64 years 5.33 (1.28) 3.60 (0.84,15.46) 4.25 (1.19) 4.13 (0.59,28.90)
 65 or more years 1.54 (1.10) 1.0 1.06 (1.05) 1.0
(p = .1109) (p = .2436)
Education
 <11 years 4.39 (0.88) 0.76 (0.25,2.33) 3.16 (0.67) 1.38 (0.43,4.41)
 12 years 5.94 (1.13) 1.05 (0.38,2.92) 3.99 (0.97) 1.75 (0.48,6.36)
 13–16 years 8.25 (1.25) 1.50 (0.56,4.00) 6.07 (1.05) 2.73 (0.81,9.25)
 >17 years 5.67 (2.43) 1.0 2.31 (1.34) 1.0
(p = .0567) (p = 0.0715)
Marital status
 Never married 7.52 (1.25) 1.45 (1.01,2.09) 5.62 (1.25) 1.52 (0.93,2.52)
 Previously married 5.84 (1.06) 1.11 (0.65,1.88) 3.40 (1.10) 0.90 (0.39,2.09)
 Married-cohabitating 5.31 (0.79) 1.0 3.75 (0.59) 1.0
(p = .1748) (p = .2704)
Occupational status
 Employed 5.18 (0.74) 1.0 3.47 (0.60) 1.0
 Out of labor force 5.85 (0.98) 1.14 (0.77,1.68) 4.03 (0.91) 1.17 (0.67,2.04)
 Unemployed 11.54 (2.57) 2.39 (1.33,4.30) 9.68 (2.48) 2.98 (1.39,6.40)
(p = .0072) (p = .0081)
Annual family income
 <$14,999 5.69 (1.08) 1.03(0.65,1.65) 3.74 (0.96) 1.34 (0.63,2.83)
 $15,000–$34,999 4.49 (1.17) 0.81 (0.37,1.74) 3.12 (0.83) 1.11 (0.44,2.81)
 $35,000–$74,999 7.60 (1.16) 1.41 (0.77,2.57) 6.19 (1.12) 2.27 (0.97,5.35)
 >$75,000 5.51 (1.29) 1.0 2.82 (0.97) 1.0
(p = .2566) (p = .0990)
Perception of financial need
 Has more money than need 7.91 (2.65) 1.0 1.89 (1.22) 1.0
 Just enough money 5.77 (0.84) 0.71 (0.29,1.74) 3.92 (0.62) 2.12 (0.51,8.82)
 Not enough money 5.57 (0.96) 0.69 (0.28,1.70) 4.48 (0.74) 2.44 (0.60,9.84)
(p = .3480) (p = .8066)
Latino sub-ethnic group
 Puerto Rican 10.75 (1.34) 1.0 7.33 (1.23) 1.0
 Cuban 3.63 (0.67) 0.31 (0.19,0.51) 2.17 (0.42) 0.28 (0.16,0.48)
 Mexican 5.52 (0.72) 0.49 (0.32,0.73) 3.97 (0.67) 0.52 (0.31,0.89)
 Other 5.13 (1.24) 0.45 (0.25,0.81) 3.50 (1.00) 0.46 (0.21,1.00)
(p = 0.0064) (p = .0764)
1

Adjusted Wald tests are conducted to test for the difference in prevalence rates of IED across groups.