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Mother''s Body Mass Index Before Pregnancy*

1998 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 1660 321 17.5 15.2-20.0 815 49.7 46.6-52.9 195 13.6 11.6-16.0 329 19.1 16.8-21.7
Age
< 20 years 265 80 25.1 18.7-32.9 137 55.2 46.8-63.3 23 9.5 5.6-15.8 25 10.2 6.1-16.5
20-24 years 458 97 18.5 14.3-23.6 218 51.1 45.0-57.1 56 12.6 9.1-17.3 87 17.8 13.6-22.9
25-34 years 749 121 15.3 12.3-18.7 364 46.8 42.4-51.3 90 14.9 11.9-18.5 174 23.0 19.4-27.0
35+ years 188 23 14.0 8.5-22.3 96 52.1 42.3-61.8 26 16.5 10.2-25.6 43 17.3 11.3-25.7
Mother's Race
White 1080 229 19.2 16.4-22.3 552 51.1 47.3-54.8 117 12.7 10.4-15.5 182 17.0 14.4-20.0
African American 512 81 13.1 9.6-17.6 225 44.4 38.3-50.6 71 16.9 12.7-22.2 135 25.7 20.7-31.4
Other Minorities 68 11 14.8 6.8-29.3 38 59.7 43.8-73.8 7 9.8 3.6-24.0 12 15.8 7.2-30.9
Hispanic origin
Yes 62 14 16.9 8.3-31.3 27 40.0 25.6-56.4 11 25.9 14.1-42.6 10 17.2 8.4-31.9
No 1597 307 17.5 15.2-20.1 788 50.3 47.1-53.5 184 13.0 11.0-15.3 318 19.1 16.7-21.8
Education
< High School 339 88 20.2 15.0-26.5 160 51.5 44.2-58.8 35 11.5 7.4-17.5 56 16.8 12.0-23.0
High School 559 110 16.7 13.1-21.1 246 44.6 39.3-50.1 71 16.4 12.6-20.9 132 22.3 18.1-27.1
> High School 760 123 17.0 13.9-20.7 407 52.4 47.8-56.9 89 12.7 9.9-16.0 141 17.9 14.7-21.7
Marital Status
Married 1072 190 17.0 14.4-20.0 541 49.5 45.7-53.3 127 14.0 11.5-16.9 214 19.5 16.7-22.6
Other 588 131 18.4 14.5-23.1 274 50.3 44.6-55.9 68 12.9 9.5-17.3 115 18.4 14.4-23.2
Income
15,999 or less 509 113 16.0 12.2-20.6 223 46.0 40.2-52.0 68 18.1 13.9-23.3 105 19.9 15.6-25.0
16,000-24,999 253 40 15.6 10.7-22.2 114 44.7 36.9-52.7 32 11.0 6.9-17.0 67 28.7 22.0-36.5
25,000-39,999 267 48 17.1 12.1-23.5 128 48.0 40.5-55.6 31 13.6 9.1-19.8 60 21.4 15.8-28.2
40,000 or more 503 86 17.4 13.7-22.0 283 56.0 50.5-61.3 51 11.3 8.2-15.2 83 15.3 11.8-19.7
WIC recipient
No 892 158 17.3 14.4-20.7 471 52.2 48.0-56.4 107 13.5 10.9-16.7 156 17.0 14.1-20.4
Yes 752 161 17.8 14.4-21.6 333 46.6 41.8-51.4 87 14.0 10.9-17.8 171 21.6 18.0-25.8
Medicaid recipient
No 843 141 16.3 13.4-19.6 458 52.7 48.4-56.8 96 12.9 10.3-16.1 148 18.2 15.1-21.7
Yes 817 180 18.9 15.5-22.7 357 46.4 41.7-51.1 99 14.5 11.4-18.2 181 20.3 16.8-24.3
Infant's birth weight
Under 1500 grams 292 52 17.5 13.5-22.4 138 46.7 40.9-52.5 27 8.8 6.1-12.7 75 27.0 22.0-32.6
1500-2499 grams 528 126 24.9 21.3-28.9 255 47.0 42.7-51.4 54 10.7 8.2-13.8 93 17.4 14.3-20.9
2500+ grams 837 143 17.0 14.6-19.7 419 50.0 46.6-53.4 114 13.9 11.7-16.5 161 19.1 16.6-21.9

*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.