Table 2 Logistic regression predicting... | Emerald Publishing

Table 2

Logistic regression predicting offender–victim relationship by crime location for adult victims (n = 440)

	All cases (n = 440)				Outdoor crime scene (n = 151)				Indoor crime scene (n = 289)
			95% CI				95% CI				95% CI
Variables (1 = yes)	B (SE)	OR	LL	UL	B (SE)	OR	LL	UL	B (SE)	OR	LL	UL
Victim has vulnerable background	−0.88 (0.24)	0.42***	0.26	0.67	−0.85 (0.42)	0.43*	0.19	0.97	−0.84 (0.30)	0.43**	0.24	0.78
Victim targeted	−1.39 (0.25)	0.25***	0.15	0.41	−1.86 (0.47)	0.16***	0.06	0.39	−1.13 (0.31)	0.32***	0.18	0.59
Offender brought a weapon	0.88 (0.25)	2.40***	1.47	3.94	0.81 (0.42)	2.25	0.99	5.15	0.89 (0.32)	2.44**	1.30	4.61
Edged weapon	−0.08 (0.26)	0.92	0.56	1.52	0.19 (0.45)	1.21	0.50	2.92	−0.26 (0.32)	0.77	0.41	1.45
Fellatio	0.98 (0.33)	2.67**	1.40	5.08	1.42 (0.63)	4.14*	1.20	14.21	0.76 (0.40)	2.15	0.98	4.73
Overkill	−1.06 (0.28)	0.35***	0.20	0.60	−0.71 (0.46)	0.49	0.20	1.22	−1.31 (0.36)	0.27***	0.13	0.55
Body moved	−0.48 (0.25)	0.62	0.38	1.01	−0.12 (0.44)	0.89	0.38	2.11	−0.66 (0.31)	0.52*	0.28	0.96
Items taken	0.80 (0.22)	2.22***	1.44	3.41	0.31 (0.39)	1.37	0.63	2.95	1.05 (0.27)	2.85***	1.67	4.86
Constant	0.15 (0.23)	1.16			0.13 (0.39)	1.14			0.14 (0.29)	1.15
Hosmer and Lemeshow test	<0.001				0.712				0.260
X² (8)	103.57***				38.50***				72.92***
Nagelkerke R²	0.28				0.30				0.30
Overall % predicted	73.40%				72.80%				72.66%
ROC-AUC (stranger)	0.77 (0.02) ***		0.72	0.82	0.76 (0.04) ***		0.68	0.84	0.77 (0.03) ***		0.71	0.83

	All cases (n = 440)				Outdoor crime scene (n = 151)				Indoor crime scene (n = 289)
			95% CI				95% CI				95% CI
Variables (1 = yes)	B (SE)	OR	LL	UL	B (SE)	OR	LL	UL	B (SE)	OR	LL	UL
Victim has vulnerable background	−0.88 (0.24)	0.42***	0.26	0.67	−0.85 (0.42)	0.43*	0.19	0.97	−0.84 (0.30)	0.43**	0.24	0.78
Victim targeted	−1.39 (0.25)	0.25***	0.15	0.41	−1.86 (0.47)	0.16***	0.06	0.39	−1.13 (0.31)	0.32***	0.18	0.59
Offender brought a weapon	0.88 (0.25)	2.40***	1.47	3.94	0.81 (0.42)	2.25	0.99	5.15	0.89 (0.32)	2.44**	1.30	4.61
Edged weapon	−0.08 (0.26)	0.92	0.56	1.52	0.19 (0.45)	1.21	0.50	2.92	−0.26 (0.32)	0.77	0.41	1.45
Fellatio	0.98 (0.33)	2.67**	1.40	5.08	1.42 (0.63)	4.14*	1.20	14.21	0.76 (0.40)	2.15	0.98	4.73
Overkill	−1.06 (0.28)	0.35***	0.20	0.60	−0.71 (0.46)	0.49	0.20	1.22	−1.31 (0.36)	0.27***	0.13	0.55
Body moved	−0.48 (0.25)	0.62	0.38	1.01	−0.12 (0.44)	0.89	0.38	2.11	−0.66 (0.31)	0.52*	0.28	0.96
Items taken	0.80 (0.22)	2.22***	1.44	3.41	0.31 (0.39)	1.37	0.63	2.95	1.05 (0.27)	2.85***	1.67	4.86
Constant	0.15 (0.23)	1.16			0.13 (0.39)	1.14			0.14 (0.29)	1.15
Hosmer and Lemeshow test	<0.001				0.712				0.260
X² (8)	103.57***				38.50***				72.92***
Nagelkerke R²	0.28				0.30				0.30
Overall % predicted	73.40%				72.80%				72.66%
ROC-AUC (stranger)	0.77 (0.02) ***		0.72	0.82	0.76 (0.04) ***		0.68	0.84	0.77 (0.03) ***		0.71	0.83

Note(s):

*p < 0.05; **p < 0.01; ***p < 0.001

Source(s): Authors’ own work