TABLE 2.

Factors Associated with Advanced Cervical Imaging of Children with TBI from AHT and Falls.

	AHT*		TBI from Falls
	OR (95% CI)	P-value	OR (95% CI)	P-value
Patient-Level Factors
Age 1 year (vs. Age < 1)	4.43 (2.53, 7.76)	<0.001	2.15 (1.41, 3.27)	<0.001
Female (vs. Male)	0.76 (0.48, 1.20)	0.24	1.07 (0.72, 1.58)	0.74
Race		0.04		0.22
White	Ref.		Ref.
African-American	0.99 (0.53, 1.87)		1.53 (0.98, 2.41)
Hispanic	3.15 (1.33, 7.50)		1.39 (0.80, 2.42)
Other	1.97 (0.95, 4.08)		1.21 (0.62, 2.37)
Insurance		0.27		0.64
Public	Ref.		Ref.
Private	1.10 (0.54, 2.21)		0.86 (0.51, 1.43)
Other	1.70 (0.89, 3.26)		1.30 (0.66, 2.54)
Moderate/Severe Head Injury (vs. Minor)	7.10 (2.75, 18.35)	<0.001	2.25 (1.19, 4.27)	0.01
Discharge Year		<0.001		0.51
2009	Ref.		Ref.
2010	0.54 (0.26, 1.10)		0.80 (0.46, 1.41)
2011	0.68 (0.32, 1.44)		0.60 (0.30, 1.19)
2012	1.16 (0.57, 2.34)		0.99 (0.56, 1.74)
2013	2.08 (1.03, 4.17)		0.91 (0.49, 1.67)
Hospital-Level Factors
Increasing Hospital All-Type Injury Volume (Log Base 2 Scale)	0.98 (0.72, 1.35)	0.92	1.19 (0.93, 1.51)	0.17
Teaching Hospital (vs. Non-Teaching)	1.70 (0.61, 4.78)	0.31	1.22 (0.56, 2.66)	0.61
Urban Location (vs. Rural)	0.63 (0.14, 2.81)	0.54	0.58 (0.24, 1.42)	0.24
Region		0.23		0.13
South	Ref.		Ref.
Midwest	0.59 (0.22, 1.63)		0.39 (0.17, 0.90)
Northeast	0.07 (0.004, 1.13)		0.92 (0.35, 2.43)
West	0.95 (0.40, 2.28)		1.02 (0.42, 2.47)

^*AHT: Abusive Head Trauma