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Number of Months When Sure Pregnant*

1998 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 1707 637 38.1 35.2-41.2 685 40.7 37.7-43.8 195 11.0 9.1-13.1 190 10.2 8.5-12.3
Age
< 20 years 256 71 28.8 21.7-37.2 78 33.9 26.3-42.4 47 16.1 10.7-23.6 60 21.1 15.0-28.8
20-24 years 470 168 38.0 32.3-44.1 173 35.7 30.2-41.7 63 14.1 10.3-18.9 66 12.2 8.8-16.7
25-34 years 786 315 40.2 36.0-44.6 347 44.0 39.7-48.4 73 9.0 6.7-11.8 51 6.8 4.9- 9.6
35+ years 195 83 41.0 32.0-50.5 87 47.6 38.2-57.1 12 5.1 2.2-11.2 13 6.4 3.0-13.2
Mother's Race
White 1133 472 41.9 38.3-45.5 481 42.1 38.6-45.8 93 8.8 6.9-11.2 87 7.2 5.4- 9.4
African American 510 145 28.6 23.3-34.5 180 36.3 30.6-42.4 91 16.7 12.6-21.9 94 18.4 14.1-23.7
Other Minorities 64 20 26.2 14.6-42.3 24 40.2 25.8-56.6 11 16.2 7.3-32.1 9 17.4 7.9-34.1
Hispanic origin
Yes 82 37 47.1 33.9-60.6 22 24.4 14.6-37.7 15 18.1 9.8-31.0 8 10.5 4.5-22.5
No 1624 600 37.5 34.4-40.6 662 41.9 38.8-45.1 180 10.4 8.6-12.5 182 10.2 8.4-12.3
Education
< High School 354 115 36.2 29.5-43.4 107 28.2 22.2-35.1 59 17.2 12.4-23.4 73 18.4 13.5-24.6
High School 567 193 36.2 31.1-41.5 229 42.9 37.6-48.3 73 11.4 8.4-15.2 72 9.6 6.9-13.2
> High School 784 328 40.3 36.1-44.7 349 45.1 40.8-49.5 62 7.5 5.5-10.3 45 7.0 5.0- 9.8
Marital Status
Married 1130 459 41.2 37.6-44.9 500 44.2 40.6-47.9 97 8.4 6.6-10.7 74 6.2 4.6- 8.3
Other 577 178 31.4 26.4-37.0 185 33.0 27.8-38.7 98 16.5 12.6-21.3 116 19.0 15.0-23.9
Income
15,999 or less 509 160 34.4 28.9-40.4 173 32.5 27.2-38.3 85 15.9 12.0-20.8 91 17.2 13.2-22.0
16,000-24,999 264 97 37.9 30.7-45.6 104 36.9 29.7-44.7 32 12.8 8.4-19.0 31 12.5 8.0-19.0
25,000-39,999 277 103 38.1 31.1-45.6 111 41.3 34.2-48.9 37 13.6 9.2-19.6 26 7.0 4.0-11.9
40,000 or more 523 230 40.2 35.1-45.5 255 53.3 48.0-58.6 21 3.7 2.1- 6.3 17 2.8 1.5- 5.3
WIC recipient
No 924 381 40.3 36.3-44.4 395 45.2 41.1-49.3 72 7.8 5.8-10.5 76 6.7 4.9- 9.1
Yes 766 252 35.9 31.4-40.7 281 34.4 30.0-39.0 121 14.9 11.8-18.6 112 14.8 11.7-18.6
Medicaid recipient
No 870 375 41.0 37.0-45.1 391 47.5 43.4-51.6 57 6.5 4.7- 8.8 47 5.1 3.5- 7.3
Yes 837 262 34.8 30.4-39.4 294 32.8 28.6-37.3 138 16.2 13.0-20.0 143 16.2 13.1-19.9
Infant's birth weight
Under 1500 grams 307 110 34.7 29.5-40.3 110 34.5 29.3-40.1 46 16.2 12.3-21.0 41 14.6 10.8-19.3
1500-2499 grams 530 191 34.8 30.8-39.0 211 38.4 34.3-42.7 59 11.8 9.2-15.0 69 15.0 12.0-18.6
2500+ grams 867 334 38.4 35.2-41.7 363 40.9 37.7-44.3 90 10.8 8.9-13.1 80 9.8 8.0-12.1

*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.