Patterns, aetiology and risk factors of intimate partner violence-related injuries to head, neck and face in Chinese women

Table 2 Structured multiphase logistic regression model of demographics, causes of injury and injury episodes associated with head, neck, and face injuries (n = 199)

	Head, neck, and face injuries
	OR^a	95% CI^b	p
Phase I (Nagelkerke R square = 0.6%, Hosmer and Lemeshow Test *p =* .92)
Age			.856
≤ 29	1.0
30-49	1.2	(.5, 2.8)
≥ 50	.9	(.3, 2.7)
Race			.989
Chinese	1.0
Non-Chinese	1.0	(.4, 2.7)
Phase II (Nagelkerke R square = 1.2%, Hosmer and Lemeshow Test *p =* 1.0)
Relationship with perpetrator			.604
Married spouse	1.0
Cohabitant	1.6	(.6, 4.6)
Boyfriend but non-cohabitant	.3	(0, 4.8)
Ex-husband / ex-boyfriend	1.5	(.2, 13.0)
Phase III (Nagelkerke R square = 15.1%, Hosmer and Lemeshow Test *p =* .28
Episode of abuse			.8
1 ^st	1.0
2 ^nd	1.1	(.3, 4.1)
Multiple	.7	(.3, 2.0)
Undisclosed	.6	(.2, 2.3)
Causes of injury ^c
Punching with a fist	2.4	(1.2, 5.1)	.013*
Slapping	2.6	(.8, 8.3)	.097
Pushing, shoving or grabbing	1.0	(.4, 2.7)	.930
Weapon use	.8	(.4, 1.9)	.688
Kicking	.3	(.1, .7)	.01*
Arm or hair twisting	.5	(.2, 1.6)	.248
Slamming against a wall	2.1	(.4, 10.4)	.381
Throwing things	1.2	(.2, 6.4)	.835
Admission time			.429
Day-time	1.0
Night-time	0.8	(.4, 1.5)

Note: ^aOR refers to odds ratio; ^bCI refers to confidence interval; Causes of injury; ^cThe comparators are “no punching with a fist”, “no slapping”, “no pushing, shoving or grabbing”, “no weapon use”, “no kicking”, “no arm or hair twisting”, “no slamming against a wall”, “no throwing things” respectively; *p < 0.05; Tolerance > 0.9 and VIF < 1.1.

ISSN: 1472-6874