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. 2017 Aug 23;12(8):e0182409. doi: 10.1371/journal.pone.0182409

Table 2. Socio-demographic characteristics of victims and general risk factors for homicide, by group.

ld: not analysed due to limited data; na: not analysed; ns: no significance.

Total Samples Non IPF (n = 81) IPF (n = 80) p
Mean age 39.0±22.1 34.1±11.7 ns
Rangea 0–83 15–72 ns
%b n(%)b n(%)b
0–7 5.6 9(11.1) -
15–20 10.6 6(7.4) 11(13.8)
21–30 23.6 17(21) 21(26.2)
31–40 22.4 16(19.8) 20(25)
41–50 18.6 7(8.6) 23(28.8)
51+ 19.2 26(32.1) 5(6.2)
High level of educationc
Yes 3.7 3(3.7) 3(3.7) ld
No 23.4 13(16) 6(7.5)
Marital Status
Single 19.9 18(22.2) 14(17.5) <.001
Married 47.2 25(30.7) 54(67.5)
Divorced 18.6 21(25.9) 9 (11.2)
Employment
Employed 12.4 9(11.1) 11(13.8) <.05
Retired—Studentd 2.4 3(3.7) 1(1.2)
Housewife 29.2 22(27.2) 25(31.2)
Unemployment 11.2 9(11.1) 9(11.2)
Link with perpetrators
Spouses 29.8 - 48(60) na
Ex-spouse 1.2 2(2.5)
Date 13.7 22(27.5)
Ex-Date 3.7 6(7.5)
Religious marriage 1.2 2(2.5)
Strangere 13 21(25.6) -
Close Relatives/Siblings 19.9 32(39)
Offsprings 3.1 5(6.1)
Distant Relatives 4.3 7(6.5)
Friends/Neighbour 7.4 12(14.6)
Unnknown 3.1 5(6.1)
Previous abuse history
Physical abuse 16.1 5(6.1) 21(26.2) ld
Sexual abuse 4.3 4(4.9) 3(3.7)
Emotional abuse Unknown
Mental Disorder
Yes 0.6 - 1(1.2) ld
No 99.4 81(100) 79(98.8)
Substance use for cases
Alcohol 1.2 - 2(1.5) na
Codein 0.6 1(1.2) -
Chloroform 1.2 - 2(1.5)
No substance 97 80(98.8) 76(97)

a: There were no case between the ages of 8–14 years.

b: Percentages may not add up to 100% due to missing information.

c: Post-secondary studies and/or degree(s)

d: Student counts for victims were 2.

e: One of the non IPF victim was killed by two strangers.