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Change in smoking: from 3 months Before Pregnancy to Now*

1999 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  Smoker who quit # cigarettes reduced # cigarettes same/more
Demographic Groups Total Respondents N % 95% C.I. N % 95% C.I. N % 95% C.I.
Total 482 102 24.9 20.0-30.7 149 29.8 24.4-35.7 231 45.3 39.3-51.5
Age
< 20 years 82 14 22.7 12.2-38.2 26 35.2 22.2-50.8 42 42.1 28.1-57.4
20-24 years 153 28 19.0 12.1-28.5 54 32.4 23.4-43.0 71 48.6 38.2-59.1
25-34 years 194 50 31.1 22.9-40.7 55 25.0 17.5-34.3 89 43.9 34.6-53.7
35+ years 53 10 26.1 11.9-48.0 14 29.2 14.5-50.2 29 44.7 26.2-64.7
Mother's Race
White 374 84 26.5 20.8-33.0 119 31.2 25.2-37.9 171 42.4 35.7-49.3
African American 96 15 18.2 9.2-32.9 29 27.3 16.1-42.4 52 54.5 39.6-68.7
Other Minorities 12 3 21.2 3.8-65.1 1 0.8 0.1- 6.2 8 78.0 35.0-95.9
Hispanic origin
Yes 12 5 55.3 20.6-85.5 4 22.8 4.6-64.5 3 22.0 4.2-64.5
No 470 97 24.1 19.2-29.9 145 29.9 24.5-36.0 228 45.9 39.8-52.2
Education
< High School 146 17 19.0 11.2-30.3 48 31.5 21.8-43.2 81 49.5 38.0-61.1
High School 209 38 17.7 11.5-26.3 72 34.4 25.8-44.2 99 47.9 38.4-57.6
> High School 127 47 40.8 30.6-51.8 29 21.6 14.0-32.0 51 37.6 27.7-48.7
Marital Status
Married 282 77 33.2 26.2-41.0 76 22.6 16.8-29.8 129 44.1 36.5-52.0
Other 200 25 11.6 6.6-19.5 73 41.2 31.7-51.4 102 47.2 37.4-57.3
Income
15,999 or less 195 30 20.7 13.6-30.1 50 24.0 16.6-33.4 115 55.3 45.3-64.9
16,000-24,999 96 23 21.4 12.4-34.4 32 30.1 19.4-43.6 41 48.5 35.4-61.8
25,000-39,999 70 14 27.6 15.5-44.1 31 43.0 28.3-59.1 25 29.4 17.2-45.5
40,000 or more 83 30 42.2 29.2-56.4 21 23.9 13.8-38.3 32 33.9 21.9-48.4
WIC recipient
No 203 54 31.6 23.5-41.0 65 35.5 27.0-45.1 84 32.9 24.8-42.1
Yes 278 47 19.6 13.9-27.0 84 25.8 19.3-33.6 147 54.5 46.3-62.5
Medicaid recipient
No 164 60 39.3 30.1-49.4 46 28.9 20.6-38.8 58 31.8 23.3-41.7
Yes 318 42 16.2 11.1-22.9 103 30.3 23.6-37.9 173 53.6 45.7-61.3
Infant's birth weight
Under 1500 grams 100 17 17.6 11.1-26.7 32 31.9 23.4-41.8 51 50.6 40.7-60.4
1500-2499 grams 178 30 16.0 11.3-22.1 58 32.5 26.0-39.8 90 51.5 44.1-58.8
2500+ grams 203 55 26.0 20.5-32.4 59 29.4 23.5-36.1 89 44.6 37.8-51.5

*Survey Question:
Among smokers, change in smoking from 3 months before pregnancy to now.

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