Selected Factors by Birthweight of Infant
Mineral 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	37	1.2	168	5.3	2,973	93.5	2	0.1	3,180	100.0
Maternal Age
< 20 Years	4	0.8	31	6.6	438	92.6	0	0.0	473	100.0
< 15 Years	0	0.0	0	0.0	7	100.0	0	0.0	7	100.0
Maternal Race
White	34	1.1	158	5.1	2,884	93.7	2	0.1	3,078	100.0
Black	3	3.3	9	9.9	79	86.8	0	0.0	91	100.0
Other	0	0.0	1	9.1	10	90.9	0	0.0	11	100.0
Births With Known Prenatal Care
First Trimester	21	0.8	123	4.8	2,434	94.4	1	0.0	2,579	100.0
Second Trimester	10	2.1	27	5.7	432	91.9	1	0.2	470	100.0
Third Trimester	1	1.2	7	8.5	74	90.2	0	0.0	82	100.0
No Prenatal Care	0	0.0	4	30.8	9	69.2	0	0.0	13	100.0
Gestational Age
< 37 Weeks	27	9.2	76	26.0	189	64.7	0	0.0	292	100.0
37+ Weeks	4	0.2	75	3.0	2,403	96.8	1	0.0	2,483	100.0
Unknown	6	1.5	17	4.2	381	94.1	1	0.2	405	100.0
Mother's Educational Level
8 Years or Less	2	4.0	3	6.0	45	90.0	0	0.0	50	100.0
9-11 Years	8	1.8	27	6.0	418	92.3	0	0.0	453	100.0
12 Years	13	0.8	87	5.4	1,504	93.6	2	0.1	1,606	100.0
13-15 Years	12	1.6	40	5.5	679	92.9	0	0.0	731	100.0
16+ Years	0	0.0	10	3.2	307	96.8	0	0.0	317	100.0
Unknown	2	8.7	1	4.3	20	87.0	0	0.0	23	100.0
Mother's Marital Status
Married	26	1.1	124	5.1	2,281	93.8	2	0.1	2,433	100.0
Not Married	11	1.5	44	5.9	692	92.6	0	0.0	747	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