Selected Factors by Birthweight of Infant
Mercer County Resident Births, 1989 - 1998

Factor	Very Low Birthweight < 1,500 grams		Low Birthweight 1,500 - 2,499 grams		Normal Birthweight 2,500+ grams		Unknown Birthweight		Total
	Number	Percent	Number	Percent	Number	Percent	Number	Percent	Number	Percent
Total Births	109	1.4	627	7.8	7,287	90.7	10	0.1	8,033	100.0
Maternal Age
< 20 Years	27	1.6	143	8.7	1,470	89.6	1	0.1	1,641	100.0
< 15 Years	0	0.0	0	0.0	24	100.0	0	0.0	24	100.0
Maternal Race
White	88	1.2	556	7.6	6,691	91.1	8	0.1	7,343	100.0
Black	20	3.1	67	10.3	562	86.3	2	0.3	651	100.0
Other	1	2.6	4	10.3	34	87.2	0	0.0	39	100.0
Births With Known Prenatal Care
First Trimester	64	1.1	412	7.4	5,098	91.4	3	0.1	5,577	100.0
Second Trimester	17	1.0	137	7.9	1,584	91.0	2	0.1	1,740	100.0
Third Trimester	1	0.2	35	7.4	437	92.2	1	0.2	474	100.0
No Prenatal Care	6	8.6	14	20.0	50	71.4	0	0.0	70	100.0
Gestational Age
< 37 Weeks	87	7.5	317	27.3	750	64.7	6	0.5	1,160	100.0
37+ Weeks	8	0.1	280	4.3	6,278	95.6	1	0.0	6,567	100.0
Unknown	14	4.6	30	9.8	259	84.6	3	1.0	306	100.0
Mother's Educational Level
8 Years or Less	3	0.7	41	9.8	374	89.5	0	0.0	418	100.0
9-11 Years	17	1.0	163	10.1	1,441	88.9	0	0.0	1,621	100.0
12 Years	58	1.6	279	7.8	3,250	90.5	4	0.1	3,591	100.0
13-15 Years	13	0.9	92	6.7	1,277	92.3	1	0.1	1,383	100.0
16+ Years	14	1.5	42	4.5	872	93.9	1	0.1	929	100.0
Unknown	4	4.4	10	11.0	73	80.2	4	4.4	91	100.0
Mother's Marital Status
Married	63	1.1	368	6.5	5,251	92.3	8	0.1	5,690	100.0
Not Married	46	2.0	259	11.1	2,036	86.9	2	0.1	2,343	100.0
Factor	Very Low Birthweight < 1,500 grams		Low Birthweight 1,500 - 2,499 grams		Normal Birthweight 2,500+ grams		Unknown Birthweight		Total
	Number	Percent	Number	Percent	Number	Percent	Number	Percent	Number	Percent