Criminal Justice Outcomes in Intimate and Non-intimate Partner Homicide Cases

APPENDIX D - Full Results for Multivariate Analysis: Examining Outcomes in Intimate Partner & Non-Intimate Partner Homicide, Reduced Sample, Toronto, 1974-2002

First-degree murder Case resolved at trial Found guilty at trial NCRMD Acquittal
Variable (N=914 cases) (N=910 cases) (N=517 cases) (N=204 cases)
Model 1 (Logit) Model 2 (Logit) Model 3 (Logit) Model 4 (Logit)
Victim-accused relationship b Odds b Odds b Odds b Odds
Intimate partner -.67 (.25)** .51 -.88 (.24)*** .41 .82 (.34)* 2.27 -.74 (.88) .48

Time period
First-degree murder Case resolved at trial Found guilty at trial NCRMD Acquittal
Variable (N=914 cases) (N=910 cases) (N=517 cases) (N=204 cases)
Model 1 (Logit) Model 2 (Logit) Model 3 (Logit) Model 4 (Logit)
Victim-accused relationship b Odds b Odds b Odds b Odds
Case entered court 1984-1996 .18 (.17) 1.19 -.42 (.17)* .65 .49 (.24)* 1.63 -1.7 (.60) .34
Case entered court 1997-2002 .05 (.31) 1.5 -.22 (.30) .81 .51 (.39) 1.67 -.11 (.89) .90

Gender
First-degree murder Case resolved at trial Found guilty at trial NCRMD Acquittal
Variable (N=914 cases) (N=910 cases) (N=517 cases) (N=204 cases)
Model 1 (Logit) Model 2 (Logit) Model 3 (Logit) Model 4 (Logit)
Victim-accused relationship b Odds b Odds b Odds b Odds
Accused is male -.24 (.27) .79 -.30 (.25) .74 .81 (.36)* 2.25 -.34 (.69) .71
Victim is male -.84 (.22)*** .43 -.85 (.22)*** .43 .12 (.29) 1.12 -1.98 (.64)** .14

Legal variables
First-degree murder Case resolved at trial Found guilty at trial NCRMD Acquittal
Variable (N=914 cases) (N=910 cases) (N=517 cases) (N=204 cases)
Model 1 (Logit) Model 2 (Logit) Model 3 (Logit) Model 4 (Logit)
Victim-accused relationship b Odds b Odds b Odds b Odds
Accused has prior non-violent record .05 (.19) 1.5 -.37 (.18)* .69 .76 (.25)** 2.14 -.50 (.55) .61
Accused has prior violent record .58 (.26)* 1.78 -.49 (.24)* .61 1.88 (.45)*** 6.52 -3.36 (.87) .89
Severity of initial charge -- -- -.08 (.13) .93 .67 (.19)** 1.95 1.54 (.45)** 4.68
Case resolved at trial -- -- -- -- -- -- -- --

Extra-legal variables - Characteristics of the accused
First-degree murder Case resolved at trial Found guilty at trial NCRMD Acquittal
Variable (N=914 cases) (N=910 cases) (N=517 cases) (N=204 cases)
Model 1 (Logit) Model 2 (Logit) Model 3 (Logit) Model 4 (Logit)
Victim-accused relationship b Odds b Odds b Odds b Odds
Accused is white .01 (.19) 1.0 .19 (.17) 1.21 .21 (.26) 1.24 -.01 (.65) .99
Age of accused .02 (.01) 1.2 -.00 (.01) .99 -.02 (.01) .98 .05 (.03)* 1.6
Accused is employed .04 (.19) 1.4 .31 (.18) 1.36 .58 (.25)* 1.79 .88 (.59) 2.40
Accused is married .21 (.20) 1.23 -.06 (.18) .94 .27 (.26) 1.31 -1.69 (.66)** .19
Accused has psychiatric history -.36 (.29) .70 -.33 (.26) .72 -.77 (.37)* .46 3.27 (1.4)** 26.18

Extra-legal variables - Characteristics of the victim
First-degree murder Case resolved at trial Found guilty at trial NCRMD Acquittal
Variable (N=914 cases) (N=910 cases) (N=517 cases) (N=204 cases)
Model 1 (Logit) Model 2 (Logit) Model 3 (Logit) Model 4 (Logit)
Victim-accused relationship b Odds b Odds b Odds b Odds
Victim is white .02 (.19) 1.2 -.28 (.17) .76 .22 (.26) 1.25 -.88 (.68) .42
Age of victim -.01 (.01) .99 .01 (.01) 1.1 .00 (.01) 1.0 -.03 (.02) .97
Victim is employed .82 (.18)*** 2.27 -.03 (.18) .97 .17 (.25) 1.18 1.25 (.60)* 3.50
Victim is married -.12 (.20) .89 .14 (.19) 1.15 -.30 (.26) .74 1.74 (.61)** 5.71
Victim has prior criminal record -.10 (.24) .91 -.39 (.21) .68 -.01 (.35) .99 .51 (1.9) 1.67

Extra-legal variables - Characteristics of the incident
First-degree murder Case resolved at trial Found guilty at trial NCRMD Acquittal
Variable (N=914 cases) (N=910 cases) (N=517 cases) (N=204 cases)
Model 1 (Logit) Model 2 (Logit) Model 3 (Logit) Model 4 (Logit)
Victim-accused relationship b Odds b Odds b Odds b Odds
Homicide occurred in public location .35 (.18)* 1.42 -.01 (.17) .99 .27 (.24) 1.32 -1.20 (.59)* .30
Gun used in killing 1.19 (.19)*** 3.28 .74 (.20)*** 2.11 -.15 (.26) .86 -1.18 (.67) .31
Victim drinking/using drugs -.68 (.20)** .51 -.50 (.19)** .61 .48 (.29) 1.62 -2.19 (.76)** .11
Intercept (S.E.)/Model X2 -.69 (.45) 143.33 1.92 (.54) 96.7 -2.72 (.76) 105.68 -1.63 (1.52) 139.06

NOTE: * p <.05 ** p <.01 *** p <.001

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