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. 2013 Apr 2;10(4):e1001412. doi: 10.1371/journal.pmed.1001412

Table 2. Comparison of homicide characteristics between 1999 and 2009 by type of femicide and effect measure of study year and type of homicide.

Characteristic Intimate Femicide Non-Intimate Femicide Effect Measure of Study Year and Type of Homicide
1999 Percent (95% CI) 2009 Percent (95% CI) 1999 Percent (95% CI) 2009 Percent (95% CI) Year OR (95% CI) Type of Homicide OR (95% CI)
Median age (IQR) 29 (24, 35) 31 (24.3, 37.8) 37 (27, 51) 41 (27.3, 56.3) 1999: 1.00 Non-intimate femicide: 1.00
2009: 1.83 (−0.29, 3.9)a Intimate femicide: −10.82 (−12.91, −8.73)a
Suspected rape homicide b 11.4 (7.2, 15.6) 11.0 (7.9, 14.1) 13.2 (7.1, 19.3) 28.5 (21.8, 35.3) Intimate femicide 1999
1999: 1.00 Non-intimate femicide: 1.00
2009: 0.84 (0.50, 1.42) Intimate femicide: 0.96 (0.57, 1.61)
Non-intimate femicide 2009
1999: 1.00 Non-intimate femicide: 1.00
2009: 2.61 (1.43, 4.77) Intimate femicide: 0.31 (0.20, 0.46)
Victim pregnant 2.4 (0.3, 4.5) 3.6 (1.9, 5.3) 1.0 (0.1, 2.3) 3.1 (0.6, 5.6) 1999: 1.00 Non-intimate femicide: 1.00
2009: 2.17 (0.92, 5.12) Intimate femicide: 1.30 (0.62, 2.73)
Perpetrator convicted b 35.1 (25.4, 44.7) 37.4 (29.2, 45.7) 32.7 (24.5, 41.0) 23.1 (16.9, 29.2) Intimate femicide 1999
1999: 1.00 Non-intimate femicide: 1.00
2009: 1.11 (0.76, 1.61) Intimate femicide: 1.10 (0.63, 1.94)
Non-intimate femicide 2009
1999: 1.00 Non-intimate femicide: 1.00
2009: 0.32 (0.19, 0.53) Intimate femicide: 3.79 (2.60, 5.52)
Died from blunt force injuries 33.2 (24.2, 42.3) 29.5 (23.6, 35.5) 21.2 (14.1, 28.3) 22.4 (16.2, 28.6) 1999: 1.00 Non-intimate femicide: 1.00
2009: 0.88 (0.58, 1.35) Intimate femicide: 1.75 (1.29, 2.37)
Died from gun injuries 30.6 (19.9, 41.2) 17.4 (11.2, 23.6) 33.6 (23.1, 44.2) 17.1 (10.6, 23.7) 1999: 1.00 Non-intimate femicide: 1.00
2009: 0.54 (0.30, 0.99) Intimate femicide: 0.86 (0.53, 1.39)
Died from stab injuries 33.2 (25.8, 40.6) 31.4 (25.0, 37.8) 34.3 (23.4, 45.2) 35.5 (28.9, 42.1) 1999: 1.00 Non-intimate femicide: 1.00
2009: 0.77 (0.50, 1.20) Intimate femicide: 1.09 (0.82, 1.46)
Proportion of intimate femicide 50.2 (44.3, 55.7) 57.1 (51.9, 62.3)
Perpetrator committed suicide 16.6 (10.8, 22.4) 18.2 (13.6, 22.7)
History of IPV 31.6 (22.1, 41.0) 33.0 (26.3, 39.8)
a

Coefficients.

b

Characteristics with significant interaction between type of homicide and year.

IQR, interquartile range.