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Folic Acid Information from Literature*

1999 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  No Yes
Demographic Groups Total Respondents N % 95% C.I. N % 95% C.I.
Total 1359 713 51.7 48.2-55.1 646 48.3 44.9-51.8
Age
< 20 years 166 89 55.8 45.3-65.8 77 44.2 34.2-54.7
20-24 years 319 169 50.8 43.6-58.0 150 49.2 42.0-56.4
25-34 years 712 365 50.3 45.7-55.0 347 49.7 45.0-54.3
35+ years 162 90 55.4 45.7-64.7 72 44.6 35.3-54.3
Mother's Race
White 968 530 54.0 50.1-57.9 438 46.0 42.1-49.9
African American 349 160 43.4 36.1-51.0 189 56.6 49.0-63.9
Other Minorities 42 23 48.5 28.8-68.7 19 51.5 31.3-71.2
Hispanic origin
Yes 73 41 57.8 43.7-70.6 32 42.2 29.4-56.3
No 1286 672 51.2 47.7-54.8 614 48.8 45.2-52.3
Education
< High School 239 132 55.9 47.1-64.4 107 44.1 35.6-52.9
High School 423 224 54.2 47.7-60.5 199 45.8 39.5-52.3
> High School 696 356 48.9 44.4-53.5 340 51.1 46.5-55.6
Marital Status
Married 970 518 52.5 48.5-56.4 452 47.5 43.6-51.5
Other 389 195 49.5 42.6-56.3 194 50.5 43.7-57.4
Income
15,999 or less 344 182 51.6 44.2-58.8 162 48.4 41.2-55.8
16,000-24,999 202 96 48.6 39.7-57.6 106 51.4 42.4-60.3
25,000-39,999 212 123 57.1 48.4-65.4 89 42.9 34.6-51.6
40,000 or more 486 246 49.9 44.4-55.4 240 50.1 44.6-55.6
WIC recipient
No 763 395 49.3 44.9-53.8 368 50.7 46.2-55.1
Yes 580 307 53.9 48.4-59.2 273 46.1 40.8-51.6
Medicaid recipient
No 755 396 52.1 47.7-56.5 359 47.9 43.5-52.3
Yes 604 317 51.1 45.7-56.5 287 48.9 43.5-54.3
Infant's birth weight
Under 1500 grams 237 118 50.0 43.6-56.5 119 50.0 43.5-56.4
1500-2499 grams 410 229 55.6 50.7-60.4 181 44.4 39.6-49.3
2500+ grams 708 363 51.4 47.7-55.1 345 48.6 44.9-52.3

*Survey Question:
Where did you hear or read that taking the vitamin folic acid can help prevent some birth defects?
55b. Brochures or literature at health care provider's office

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