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Number of Months When Sure Pregnant*

1999 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  1-4 weeks 5-8 weeks 9-12 weeks 13 or more weeks
Demographic Groups Total Respondents N % 95% C.I. N % 95% C.I. N % 95% C.I. N % 95% C.I.
Total 1716 668 39.4 36.4-42.4 650 38.0 35.0-41.0 219 13.0 11.0-15.3 179 9.6 7.9-11.7
Age
< 20 years 256 70 24.8 18.2-32.8 74 29.7 22.5-37.9 48 18.0 12.4-25.5 64 27.5 20.5-35.9
20-24 years 446 158 38.1 32.4-44.2 162 36.4 30.8-42.4 76 17.4 13.2-22.5 50 8.1 5.4-12.0
25-34 years 819 354 43.6 39.3-48.0 341 40.9 36.7-45.3 80 10.2 7.8-13.3 44 5.3 3.6- 7.7
35+ years 195 86 42.5 33.9-51.6 73 39.7 31.3-48.9 15 8.2 4.3-15.1 21 9.5 5.3-16.6
Mother's Race
White 1158 485 41.5 38.0-45.1 471 41.1 37.6-44.7 119 10.6 8.5-13.1 83 6.8 5.2- 9.0
African American 497 166 34.6 28.7-41.0 159 29.7 24.1-35.8 85 18.2 13.7-23.8 87 17.5 13.1-23.1
Other Minorities 61 17 26.3 14.5-42.9 20 27.0 15.1-43.5 15 30.1 17.2-47.1 9 16.7 7.6-32.7
Hispanic origin
Yes 106 38 32.6 22.8-44.2 33 30.2 20.8-41.7 18 16.3 9.5-26.6 17 20.8 12.8-32.0
No 1610 630 40.0 36.9-43.2 617 38.7 35.6-41.8 201 12.7 10.7-15.0 162 8.7 7.0-10.7
Education
< High School 385 128 30.8 25.0-37.4 107 28.3 22.7-34.8 69 17.1 12.6-22.8 81 23.7 18.4-30.1
High School 565 189 35.6 30.3-41.2 225 40.3 34.8-45.9 84 16.3 12.5-21.0 67 7.9 5.5-11.2
> High School 765 351 46.3 41.9-50.7 317 41.4 37.1-45.8 66 8.7 6.5-11.6 31 3.7 2.3- 5.7
Marital Status
Married 1141 490 43.3 39.7-47.0 469 40.9 37.4-44.6 117 10.4 8.3-12.9 65 5.4 3.9- 7.4
Other 575 178 30.2 25.2-35.7 181 31.2 26.1-36.7 102 19.1 15.0-24.1 114 19.5 15.3-24.5
Income
15,999 or less 493 158 33.9 28.4-39.9 158 30.1 24.9-35.9 83 17.3 13.1-22.4 94 18.7 14.4-24.0
16,000-24,999 269 91 34.3 27.2-42.2 99 36.1 28.8-44.0 48 20.4 14.7-27.6 31 9.2 5.6-15.0
25,000-39,999 264 110 40.0 32.7-47.7 116 46.7 39.1-54.5 26 10.3 6.4-16.1 12 3.0 1.3- 7.0
40,000 or more 532 249 46.7 41.4-52.0 233 45.3 40.1-50.6 37 6.3 4.1- 9.4 13 1.8 0.8- 3.8
WIC recipient
No 906 396 44.1 40.0-48.3 367 42.9 38.8-47.0 81 8.2 6.1-10.8 62 4.9 3.4- 7.1
Yes 795 267 34.2 30.0-38.8 274 32.0 27.8-36.4 138 18.8 15.4-22.7 116 15.0 11.9-18.8
Medicaid recipient
No 867 378 43.1 39.1-47.3 381 44.5 40.4-48.7 71 8.6 6.5-11.3 37 3.7 2.4- 5.7
Yes 849 290 35.1 30.8-39.6 269 30.5 26.4-34.9 148 18.0 14.7-21.8 142 16.4 13.2-20.2
Infant's birth weight
Under 1500 grams 318 118 36.1 30.9-41.6 110 34.3 29.2-39.8 44 14.1 10.6-18.6 46 15.5 11.7-20.2
1500-2499 grams 527 200 37.0 32.9-41.2 205 38.1 34.0-42.3 65 12.7 10.0-15.9 57 12.3 9.6-15.7
2500+ grams 866 348 39.6 36.4-42.9 333 38.0 34.9-41.3 109 13.0 10.9-15.5 76 9.4 7.5-11.6

*Survey Question:
4. How many weeks or months pregnant were you when you were sure you were pregnant? (For example,
you had a pregnancy test or a doctor or nurse said you were pregnant.)

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