Table 1.

Sociodemographic Characteristics of NH White, NH Black, Hispanic and Marshallese Mothers Benton and Washington Counties, Arkansas, 1997–2013 (n=91,622)

	NHa White (n=65,800)		NHa Black (n=1,680)		Hispanic (n=21,654)		Marshallese (n=2,488)
	n	%	n	%	n	%	n	%	Pb
Maternal age									<0.01
<20 years	7,081	10.8	220	13.1	2,946	13.6	220	8.9
20–29 years	38,335	58.3	981	58.4	12,209	56.4	1,675	67.4
30–39 years	19,368	29.4	454	27.0	6,032	27.9	581	23.4
≥40 years	1,000	1.5	25	1.5	461	2.1	11	0.4
Maternal Decade of Birth									<.0001
1954 – 1969	8,044	12.2	130	7.7	1,946	9.0	66	2.7
1970 – 1979	28,404	43.2	629	37.5	8,853	40.9	794	31.9
1980 – 1989	26,023	39.6	760	45.3	9,252	42.7	1,415	56.9
1990 – 1999	3,294	5.0	160	9.5	1,596	7.4	212	8.5
Maternal Education									<0.01
Elementary (1–8 years)	697	1.1	6	0.4	6,591	31.5	149	6.5
Secondary (9–12 years)	31,111	47.6	672	40.8	11,763	56.2	1,978	85.7
Some college or higher (≥13 years)	33,594	51.4	969	58.8	2,572	12.3	180	7.8
Marital Status									<0.01
Married	48,689	74.0	788	46.9	12,517	57.8	781	31.4
Unmarried	17,068	26.0	892	53.1	9,133	42.2	1,706	68.6
Parity									<0.01
1 child	28,524	43.4	745	44.4	7,215	33.4	562	22.7
2 children	20,161	30.7	467	27.9	6,007	27.8	503	20.3
≥3 children	16,997	25.9	465	27.7	8,382	38.8	1,414	57.0
Prenatal care
Prenatal care in the 1st trimester	58,522	87.4	1,433	83.4	15,835	73.2	1,262	52.2	<0.01
No prenatal care	840	1.3	57	3.4	524	2.4	480	19.3	<0.01
Birth defects	1697	2.6	39	2.3	459	2.1	54	2.2	0.21

^aNH=Non-Hispanic

^bComparison between Non-Hispanic White and Marshallese.