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2009 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results

PREMATURITY

Days Between Due Date and Birth *

Demographic
Groups
Total
Respond.#
2 weeks or less 3 to 4 weeks 5 to 8 weeks More than 8 weeks
N % C.I.(95%) N % C.I.(95%) N % C.I.(95%) N % C.I.(95%)
Total 931 536 77.7 74.8-80.4 165 13.9 11.6-16.7 156 6.2 4.9- 7.7 74 2.2 1.7- 2.8
Age
< 20 years 89 51 79.1 68.1-87.0 12 11.5 5.5-22.5 16 6.7 3.2-13.5 10 2.8 1.5- 5.2
20-24 years 209 127 83.5 77.8-87.9 32 9.7 6.0-15.4 34 4.9 3.2- 7.5 16 1.9 1.2- 3.1
25-34 years 486 280 77.4 73.2-81.1 90 14.4 11.3-18.3 80 6.2 4.4- 8.5 36 2.0 1.4- 2.9
35+ years 147 78 68.0 58.7-76.0 31 21.1 14.4-29.9 26 8.0 4.3-14.6 12 2.8 1.3- 5.9
Race
White 669 405 78.4 75.0-81.6 115 14.3 11.6-17.5 101 5.4 4.0- 7.3 48 1.8 1.3- 2.5
Black 219 110 77.6 71.0-83.0 39 11.8 7.5-18.1 48 7.4 5.1-10.7 22 3.2 1.9- 5.2
Other 43 21 65.8 48.0-80.0 11 19.6 9.7-35.8 7 11.9 4.0-30.6 4 2.7 1.0- 7.2
Hispanic origin
Yes 119 74 77.5 68.2-84.7 15 9.9 5.3-17.9 21 10.9 6.0-19.0 9 1.7 0.9- 3.2
No 812 462 77.8 74.6-80.6 150 14.7 12.1-17.7 135 5.3 4.2- 6.6 65 2.3 1.7- 3.0
Education
< High School 164 85 74.2 65.8-81.1 29 13.4 8.3-21.0 34 10.1 6.1-16.2 16 2.3 1.4- 3.8
High School 255 157 83.0 77.9-87.1 36 8.8 5.6-13.4 44 6.4 4.2- 9.6 18 1.8 1.2- 2.9
> High School 510 292 75.9 71.8-79.7 100 17.2 13.8-21.3 78 4.5 3.3- 6.1 40 2.3 1.6- 3.4
Marital Status
Married 572 342 79.3 75.7-82.4 102 14.3 11.4-17.7 84 4.2 3.2- 5.6 44 2.2 1.6- 3.2
Other 359 194 75.6 70.3-80.2 63 13.4 9.7-18.2 72 8.9 6.3-12.4 30 2.1 1.5- 3.0
Income
14,999 or less 166 92 79.5 72.0-85.4 26 10.8 6.2-18.1 33 7.3 4.5-11.7 15 2.4 1.4- 4.1
15,000-24,999 215 132 80.5 74.3-85.5 32 10.0 6.4-15.3 34 7.6 4.6-12.2 17 1.9 1.2- 3.0
25,000-49,999 187 98 74.8 67.3-81.1 37 15.4 10.2-22.6 36 6.7 4.2-10.5 16 3.1 1.6- 5.9
50,000 or more 307 183 76.4 71.0-81.1 59 18.3 14.0-23.7 46 3.8 2.6- 5.5 19 1.4 0.9- 2.3
WIC recipient
No 489 281 75.5 71.2-79.3 93 17.2 13.7-21.3 78 5.2 3.8- 7.2 37 2.1 1.5- 3.1
Yes 440 253 79.7 75.5-83.4 72 10.9 8.0-14.7 78 7.1 5.1- 9.8 37 2.3 1.6- 3.2
Medicaid recipient
No 454 266 76.1 71.7-80.0 89 17.4 13.8-21.7 70 4.7 3.4- 6.5 29 1.8 1.2- 2.8
Yes 477 270 79.0 74.9-82.7 76 11.1 8.2-14.8 86 7.4 5.4-10.1 45 2.5 1.8- 3.5
Infant's birth weight
Under 2500 grams 371 65 18.1 14.4-22.4 91 25.1 20.9-29.8 143 37.6 32.8-42.6 72 19.3 15.6-23.6
2500+ grams 560 471 84.3 81.0-87.2 74 12.7 10.2-15.7 13 2.7 1.6- 4.6 2 0.3 0.1- 1.1

*Data in this table are constructed from survey questions 40 (When was your baby due?) and 42 (When was your baby born?)

~Low participation was a substantial problem for NC PRAMS in 2009.The overall weighted response rate was 63%.

#Use caution in interpreting cell sizes less than 50.
N = Cell Size, % = Percentage, C.I.(95%) = Confidence Interval (at 95 percent probability level).
The percentages shown are weighted percentages, designed to reflect the entire population of North Carolina women having a live birth.

This page was generated on 28JUL11

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