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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

*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.