Table 3.

Distribution and chi-square results on sociodemographic variables by AHT status.

	All Births		No AHT		AHT
	1 271 419		1 271 065		354
	N	%	n	%	n	%	Χ2
CPS Report							14.86 (p < .001)
Not Occurred	1 079 202	84.9	1 078 928	84.9	274	77.4
Present	192 217	15.1	192 137	15.1	80	22.6
Maternal Race/Ethnicity							35.13 (p < .001)
White	840 356	66.1	840 146	66.1	210	59.3
Black	59 762	4.7	59 731	4.7	31	8.8
Hispanic	203 385	16.0	203 323	16.0	62	17.5
Native American	28 787	2.3	28 767	2.3	20	5.6
Asian/Pacific Islander	120 485	9.5	120 457	9.5	28	7.9
Other/Unknown	18 644	1.5	18 641	1.5	3	0.8
Child Sex							3.27 (p = .071)
Female	619 573	48.7	619 418	48.7	155	43.8
Male	651 846	51.3	651 647	51.3	199	56.2
Maternal Age							233.00 (p < .001)
<= 19 years	102 942	8.1	102 855	8.1	87	24.6
20–24 years	295 316	23.2	295 174	23.2	142	40.1
25–29 years	361 060	28.4	360 980	28.4	80	22.6
30+ years	511 561	40.2	511 516	40.2	45	12.7
Birth Payment							58.49 (p < .001)
Public	444 914	35.0	444 721	35.0	193	54.5
Private	826 505	65.0	826 344	65.0	161	45.5
Prenatal Care							14.90 (p = .002)
1st trimester	666 769	52.4	666 615	52.4	154	43.5
2nd trimester	403 985	31.8	403 856	31.8	129	36.4
3rd trimester	70 231	5.5	70 200	5.5	31	8.8
None	130 434	10.3	130 394	10.3	40	11.3
Parity							3.37 (p = .067)
First birth	519 097	40.8	518 935	40.8	162	45.8
Non-first birth	752 322	59.2	752 130	59.2	192	54.2
Infant Birth Weight							27.82 (p < .001)
Low (<2500 g)	82 714	6.5	82 666	6.5	48	13.6
Normal (2500+)	1 188 705	93.5	1 188 399	93.5	306	86.4

AHT: Abusive head trauma