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No Birth Control: Did Not Think Could Become Pregnant*

1997 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  No Yes
Demographic Groups Total Respondents N % 95% C.I. N % 95% C.I.
Total 674 566 83.3 78.8-87.0 108 16.7 13.0-21.2
Age
< 20 years 96 72 75.5 61.2-85.7 24 24.5 14.3-38.8
20-24 years 157 135 85.8 75.8-92.1 22 14.2 7.9-24.2
25-34 years 338 290 83.8 77.2-88.7 48 16.2 11.3-22.8
35+ years 83 69 87.6 74.4-94.5 14 12.4 5.5-25.6
Mother's Race
White 473 416 88.0 83.0-91.6 57 12.0 8.4-17.0
African American 183 136 73.0 62.7-81.3 47 27.0 18.7-37.3
Other Minorities 18 14 66.8 34.1-88.6 4 33.2 11.4-65.9
Hispanic origin
Yes 15 13 75.4 28.2-96.0 2 24.6 4.0-71.8
No 659 553 83.5 79.0-87.2 106 16.5 12.8-21.0
Education
< High School 121 86 68.9 55.6-79.7 35 31.1 20.3-44.4
High School 234 191 80.4 72.0-86.8 43 19.6 13.2-28.0
> High School 319 289 91.9 87.0-95.1 30 8.1 4.9-13.0
Marital Status
Married 473 426 89.5 84.8-92.9 47 10.5 7.1-15.2
Other 201 140 69.2 59.3-77.7 61 30.8 22.3-40.7
Income
15,999 or less 196 146 68.9 57.8-78.2 50 31.1 21.8-42.2
16,000-24,999 97 75 80.7 66.4-89.8 22 19.3 10.2-33.6
25,000-39,999 112 98 83.5 72.5-90.6 14 16.5 9.4-27.5
40,000 or more 231 219 95.6 90.3-98.1 12 4.4 1.9- 9.7
WIC recipient
No 398 353 90.8 86.2-94.0 45 9.2 6.0-13.8
Yes 271 208 72.9 64.4-79.9 63 27.1 20.1-35.6
Medicaid recipient
No 366 338 92.1 87.6-95.1 28 7.9 4.9-12.4
Yes 308 228 72.1 63.9-79.1 80 27.9 20.9-36.1
Infant's birth weight
Under 1500 grams 138 107 77.2 69.2-83.5 31 22.8 16.5-30.8
1500-2499 grams 212 182 85.3 79.7-89.6 30 14.7 10.4-20.3
2500+ grams 322 275 83.3 78.4-87.3 47 16.7 12.7-21.6

*Survey Question:
Why were you or your husband or partner not using any birth control?
9b. I didn't think I could get pregnant

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