PRAMS 1997 Survey Results: Mother's Body Mass Index Before Pregnancy

Mother's Body Mass Index Before Pregnancy*

1997 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
Underweight Normal Overweight Obese

Demographic Groups Total Respondents^† N % 95% C.I.^† N % 95% C.I.^† N % 95% C.I.^† N % 95% C.I.^†

Total 790 175 21.4 17.7-25.5 371 46.7 41.9-51.4 87 12.1 9.2-15.6 157 19.9 16.3-24.1

Age

< 20 years 119 44 37.5 26.2-50.3 49 37.0 25.8-49.8 9 8.4 3.4-19.1 17 17.1 9.4-29.2

20-24 years 203 53 21.8 15.0-30.7 91 39.5 30.6-49.2 23 15.8 9.7-24.7 36 22.9 15.7-32.0

25-34 years 376 69 17.5 13.1-23.1 180 50.7 44.0-57.3 41 11.1 7.6-16.0 86 20.6 15.6-26.8

35+ years 92 9 10.9 4.7-23.2 51 62.5 48.7-74.4 14 12.6 6.1-24.2 18 14.1 6.9-26.6

Mother's Race

White 532 119 20.9 16.6-26.0 269 50.1 44.5-55.7 56 10.9 7.8-15.0 88 18.1 14.0-22.9

African American 235 49 22.2 15.4-30.8 91 38.1 29.5-47.4 29 14.7 9.1-22.7 66 25.1 17.8-34.0

Other Minorities 23 7 23.2 8.0-51.1 11 46.2 22.1-72.2 2 14.5 3.4-44.7 3 16.2 4.1-46.7

Hispanic origin

Yes 13 1 1.8 0.2-14.1 7 60.8 18.2-91.5 2 3.0 0.6-14.7 3 34.4 6.3-80.5

No 777 174 21.6 17.9-25.8 364 46.5 41.8-51.3 85 12.2 9.3-15.8 154 19.8 16.2-23.9

Education

< High School 150 48 31.3 21.4-43.2 69 42.7 31.5-54.7 11 7.0 2.9-16.2 22 19.0 11.2-30.4

High School 266 61 16.3 11.1-23.3 112 43.5 35.3-52.1 26 13.3 8.3-20.8 67 26.8 19.9-35.1

> High School 374 66 20.5 15.7-26.3 190 50.6 44.2-56.9 50 13.4 9.6-18.5 68 15.5 11.4-20.7

Marital Status

Married 530 97 16.9 13.2-21.5 272 52.8 47.1-58.3 65 12.5 9.2-16.8 96 17.8 13.8-22.6

Other 260 78 30.4 22.9-39.2 99 34.1 26.3-42.9 22 11.2 6.6-18.3 61 24.3 17.5-32.7

Income

15,999 or less 240 72 29.6 21.7-38.9 95 35.7 27.3-45.1 23 10.6 6.0-18.0 50 24.1 16.9-33.2

16,000-24,999 119 19 14.7 7.7-26.0 58 51.0 37.7-64.2 11 10.9 4.6-23.8 31 23.5 14.1-36.3

25,000-39,999 130 24 17.6 10.7-27.7 57 42.7 32.4-53.7 20 15.5 8.9-25.4 29 24.2 16.0-34.9

40,000 or more 250 44 18.0 12.8-24.8 141 58.9 51.2-66.3 29 11.1 7.2-16.9 36 12.0 7.8-18.0

WIC recipient

No 439 79 16.8 12.7-21.9 230 56.5 50.3-62.4 52 12.7 9.1-17.5 78 14.1 10.4-18.8

Yes 348 94 26.0 20.0-33.0 140 35.7 29.0-43.1 35 11.5 7.4-17.3 79 26.8 20.7-34.0

Medicaid recipient

No 410 68 15.9 11.9-20.8 221 58.2 52.0-64.0 50 11.8 8.4-16.4 71 14.1 10.4-18.9

Yes 380 107 27.7 21.5-34.8 150 33.4 26.8-40.6 37 12.3 8.1-18.4 86 26.6 20.5-33.8

Infant's birth weight

Under 1500 grams 155 34 23.2 17.0-30.8 66 41.7 34.1-49.8 17 10.7 6.7-16.7 38 24.4 18.2-31.9

1500-2499 grams 249 61 25.3 20.1-31.2 118 48.0 41.7-54.4 24 9.1 6.1-13.3 46 17.6 13.3-23.0

2500+ grams 384 79 21.1 17.1-25.6 186 46.6 41.6-51.8 46 12.3 9.3-16.2 73 20.0 16.1-24.5

1997 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
	Underweight	Normal	Overweight	Obese
Demographic Groups	Total Respondents^†	N	%	95% C.I.^†	N	%	95% C.I.^†	N	%	95% C.I.^†	N	%	95% C.I.^†
Total	790	175	21.4	17.7-25.5	371	46.7	41.9-51.4	87	12.1	9.2-15.6	157	19.9	16.3-24.1
Age
< 20 years	119	44	37.5	26.2-50.3	49	37.0	25.8-49.8	9	8.4	3.4-19.1	17	17.1	9.4-29.2
20-24 years	203	53	21.8	15.0-30.7	91	39.5	30.6-49.2	23	15.8	9.7-24.7	36	22.9	15.7-32.0
25-34 years	376	69	17.5	13.1-23.1	180	50.7	44.0-57.3	41	11.1	7.6-16.0	86	20.6	15.6-26.8
35+ years	92	9	10.9	4.7-23.2	51	62.5	48.7-74.4	14	12.6	6.1-24.2	18	14.1	6.9-26.6
Mother's Race
White	532	119	20.9	16.6-26.0	269	50.1	44.5-55.7	56	10.9	7.8-15.0	88	18.1	14.0-22.9
African American	235	49	22.2	15.4-30.8	91	38.1	29.5-47.4	29	14.7	9.1-22.7	66	25.1	17.8-34.0
Other Minorities	23	7	23.2	8.0-51.1	11	46.2	22.1-72.2	2	14.5	3.4-44.7	3	16.2	4.1-46.7
Hispanic origin
Yes	13	1	1.8	0.2-14.1	7	60.8	18.2-91.5	2	3.0	0.6-14.7	3	34.4	6.3-80.5
No	777	174	21.6	17.9-25.8	364	46.5	41.8-51.3	85	12.2	9.3-15.8	154	19.8	16.2-23.9
Education
< High School	150	48	31.3	21.4-43.2	69	42.7	31.5-54.7	11	7.0	2.9-16.2	22	19.0	11.2-30.4
High School	266	61	16.3	11.1-23.3	112	43.5	35.3-52.1	26	13.3	8.3-20.8	67	26.8	19.9-35.1
> High School	374	66	20.5	15.7-26.3	190	50.6	44.2-56.9	50	13.4	9.6-18.5	68	15.5	11.4-20.7
Marital Status
Married	530	97	16.9	13.2-21.5	272	52.8	47.1-58.3	65	12.5	9.2-16.8	96	17.8	13.8-22.6
Other	260	78	30.4	22.9-39.2	99	34.1	26.3-42.9	22	11.2	6.6-18.3	61	24.3	17.5-32.7
Income
15,999 or less	240	72	29.6	21.7-38.9	95	35.7	27.3-45.1	23	10.6	6.0-18.0	50	24.1	16.9-33.2
16,000-24,999	119	19	14.7	7.7-26.0	58	51.0	37.7-64.2	11	10.9	4.6-23.8	31	23.5	14.1-36.3
25,000-39,999	130	24	17.6	10.7-27.7	57	42.7	32.4-53.7	20	15.5	8.9-25.4	29	24.2	16.0-34.9
40,000 or more	250	44	18.0	12.8-24.8	141	58.9	51.2-66.3	29	11.1	7.2-16.9	36	12.0	7.8-18.0
WIC recipient
No	439	79	16.8	12.7-21.9	230	56.5	50.3-62.4	52	12.7	9.1-17.5	78	14.1	10.4-18.8
Yes	348	94	26.0	20.0-33.0	140	35.7	29.0-43.1	35	11.5	7.4-17.3	79	26.8	20.7-34.0
Medicaid recipient
No	410	68	15.9	11.9-20.8	221	58.2	52.0-64.0	50	11.8	8.4-16.4	71	14.1	10.4-18.9
Yes	380	107	27.7	21.5-34.8	150	33.4	26.8-40.6	37	12.3	8.1-18.4	86	26.6	20.5-33.8
Infant's birth weight
Under 1500 grams	155	34	23.2	17.0-30.8	66	41.7	34.1-49.8	17	10.7	6.7-16.7	38	24.4	18.2-31.9
1500-2499 grams	249	61	25.3	20.1-31.2	118	48.0	41.7-54.4	24	9.1	6.1-13.3	46	17.6	13.3-23.0
2500+ grams	384	79	21.1	17.1-25.6	186	46.6	41.6-51.8	46	12.3	9.3-16.2	73	20.0	16.1-24.5

*Survey Question:
Data in this table are constructed from survey questions 18 and 19.

^† Percents based on fewer than 50 total respondents may not be reliable.
Interpret these percentages with caution. C.I. = confidence interval.