Table 5.

Prevalence of Infant Outcomes by Maternal Race/Ethnicity, Benton and Washington Counties, Arkansas, 1997–2013

	NH White		NH Black		Hispanic		Marshallese
	(n=65,800)		(n=1,680)		(n=21,654 )		(n=2,488)		p
	n	%	n	%	n	%	n	%
Infant Sex									0.13
Boys	33,746	51.3	846	50.4	10,916	50.4	1,255	50.4
Girls	32,053	48.7	834	49.6	10,738	49.6	1,233	49.6
Infant Birthweight									<0.01
<1500 grams	520	0.8	49	2.9	179	0.8	33	1.3
1500–2499 grams	2,933	4.5	135	8.1	994	4.6	189	7.6
2500–4000 grams	55,552	84.5	1,401	83.6	18,691	86.4	2,173	87.4
>4000 grams	6,750	10.3	91	5.4	1,767	8.2	92	3.7
Infant Gestational Age									<0.01
<32 weeks	725	1.2	50	3.2	281	1.4	59	2.7
32–36 weeks	5,263	8.3	162	10.2	1,953	9.4	427	19.3
≥37 weeks	57,150	90.5	1,372	86.6	18,482	89.2	1,732	78.1
Fetal Growth									<0.01
Small for gestational age	5,596	8.9	252	15.9	1,914	9.3	335	15.1
Appropriate for gestational age	50,107	79.4	1,213	76.7	16,659	80.5	1,746	78.8
Large for gestational age	7,404	11.7	116	7.3	2,130	10.3	136	6.1
Abnormal Conditions of Newborn
Anemia (Hct <39/Hgb <13)	257	0.4	11	0.7	123	0.6	24	1.0	<0.01
Birth injury	629	1.0	12	0.7	168	0.8	38	1.5	<0.01
Hyaline membrane disease/RDS	1,123	1.7	39	2.3	333	1.5	75	3.0	<0.01
Meconium aspiration syndrome	124	0.2	5	0.3	60	0.3	9	0.4	<0.05
Assisted ventilation <30 minutes	978	1.5	30	1.8	310	1.4	85	3.4	<0.01
Assisted ventilation ≥30 minutes	651	1.0	17	1.0	200	0.9	28	1.1	0.72
Seizures	42	0.1	1	0.1	8	0	2	0.1	0.51
Other abnormal conditions of infant	1,564	2.4	45	2.7	457	2.1	114	4.6	<0.01
Baby transferred to ICU	1,744	2.7	75	4.5	461	2.1	74	3.0	<0.01

NH=Non-Hispanic; Hct: hematocrit; Hgb: hemoglobin