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

1997 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 231 43 22.2 15.3-31.0 70 27.5 19.9-36.8 118 50.3 40.8-59.7
Age
< 20 years 36 2 6.4 1.0-32.3 9 26.2 9.7-53.8 25 67.4 40.8-86.1
20-24 years 72 14 25.3 13.8-41.6 26 28.5 16.5-44.4 32 46.2 31.1-62.1
25-34 years 112 25 26.5 16.3-40.2 31 25.2 15.2-39.0 56 48.2 34.8-61.9
35+ years 11 2 6.1 1.2-26.2 4 49.2 14.7-84.5 5 44.6 12.6-81.9
Mother's Race
White 180 34 21.6 14.1-31.7 60 29.9 21.1-40.4 86 48.5 38.0-59.2
African American 46 9 24.9 11.3-46.3 9 18.7 7.2-40.7 28 56.4 35.6-75.1
Other Minorities 5 0 0.0 - 1 12.4 1.6-56.0 4 87.6 44.0-98.4
Hispanic origin
Yes 3 1 83.6 31.5-98.3 2 16.4 1.7-68.5 0 0.0 -
No 228 42 21.5 14.7-30.3 68 27.7 19.9-37.0 118 50.8 41.3-60.3
Education
< High School 66 6 10.7 3.1-31.1 17 31.2 16.1-51.6 43 58.1 38.3-75.6
High School 99 16 23.9 13.7-38.3 30 23.5 13.9-37.0 53 52.5 38.3-66.4
> High School 66 21 30.6 17.9-47.2 23 30.0 17.2-47.0 22 39.3 25.1-55.6
Marital Status
Married 136 35 35.6 24.4-48.6 41 26.0 16.8-38.1 60 38.4 27.3-50.9
Other 95 8 8.0 3.3-18.5 29 29.1 17.8-43.8 58 62.9 48.3-75.4
Income
15,999 or less 98 9 11.8 5.2-24.6 32 24.0 13.6-38.8 57 64.2 49.1-76.9
16,000-24,999 45 11 40.4 20.7-63.7 15 30.0 14.1-52.7 19 29.6 14.0-52.2
25,000-39,999 38 8 26.5 11.9-49.2 11 31.3 15.3-53.3 19 42.2 23.6-63.4
40,000 or more 41 13 28.8 14.2-49.8 11 32.9 16.3-55.2 17 38.3 21.2-58.9
WIC recipient
No 95 20 22.1 12.1-37.0 35 33.4 20.6-49.1 40 44.5 30.2-59.7
Yes 134 22 21.6 13.2-33.4 34 23.8 15.0-35.6 78 54.6 42.3-66.4
Medicaid recipient
No 86 26 34.6 22.0-49.8 26 31.1 19.3-46.0 34 34.3 22.3-48.8
Yes 145 17 15.0 8.1-25.9 44 25.4 16.2-37.6 84 59.6 47.0-71.0
Infant's birth weight
Under 1500 grams 53 6 10.0 4.5-21.0 16 29.6 18.8-43.4 31 60.3 46.5-72.7
1500-2499 grams 88 15 15.8 9.6-24.9 30 34.7 25.3-45.4 43 49.5 39.0-60.0
2500+ grams 90 22 23.1 15.5-33.0 24 26.8 18.5-37.2 44 50.1 39.6-60.6

*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.