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Number of Cigarettes Smoked 3 months Before Pregnancy*

1998 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  None 1 to 9 per day 10 to 19 per day 20 or more per day
Demographic Groups Total Respondents N % 95% C.I. N % 95% C.I. N % 95% C.I. N % 95% C.I.
Total 1748 1231 72.6 69.8-75.2 117 6.0 4.7- 7.6 130 7.4 5.9- 9.2 270 14.0 12.0-16.3
Age
< 20 years 266 172 61.0 52.6-68.8 16 5.4 2.7-10.7 29 13.4 8.7-20.2 49 20.1 14.3-27.7
20-24 years 484 302 65.0 59.2-70.4 40 7.7 5.1-11.4 46 9.3 6.4-13.3 96 18.0 13.9-22.9
25-34 years 797 608 79.3 75.6-82.6 49 4.9 3.4- 7.1 43 4.9 3.3- 7.1 97 10.9 8.4-13.9
35+ years 201 149 77.7 69.0-84.5 12 7.2 3.6-13.8 12 5.6 2.6-11.6 28 9.5 5.3-16.6
Mother's Race
White 1154 758 67.8 64.3-71.1 66 6.0 4.5- 8.0 102 8.7 6.9-11.0 228 17.4 14.9-20.4
African American 526 420 85.8 81.3-89.4 46 5.8 3.6- 9.1 28 4.5 2.6- 7.6 32 3.9 2.2- 6.8
Other Minorities 68 53 80.7 65.1-90.3 5 6.3 1.8-19.7 0 0.0 - 10 13.1 5.5-28.0
Hispanic origin
Yes 89 81 95.3 87.9-98.3 1 1.5 0.2-10.2 4 2.7 0.7- 9.4 3 0.5 0.1- 1.7
No 1658 1150 70.8 67.8-73.6 115 6.3 4.9- 8.0 126 7.8 6.2- 9.7 267 15.2 13.0-17.6
Education
< High School 367 209 64.9 58.1-71.2 29 5.0 2.8- 8.8 38 10.7 7.1-15.7 91 19.3 14.6-25.1
High School 583 368 62.3 57.0-67.3 42 5.8 3.8- 8.7 58 10.7 7.8-14.5 115 21.2 17.2-25.9
> High School 796 652 83.7 80.2-86.7 46 6.7 4.7- 9.3 34 3.4 2.1- 5.3 64 6.3 4.4- 8.8
Marital Status
Married 1145 838 75.3 72.0-78.3 62 5.7 4.3- 7.7 87 6.9 5.2- 8.9 158 12.1 10.0-14.7
Other 603 393 67.0 61.5-72.0 55 6.5 4.3- 9.8 43 8.5 5.8-12.2 112 18.0 14.1-22.7
Income
15,999 or less 528 318 62.5 56.7-67.9 32 4.8 2.9- 7.8 53 10.5 7.4-14.6 125 22.3 17.9-27.5
16,000-24,999 277 177 69.5 62.0-76.0 27 7.2 4.1-12.2 22 8.7 5.3-14.2 51 14.6 10.0-20.7
25,000-39,999 277 198 72.6 65.4-78.8 16 5.7 3.1-10.2 24 7.1 4.1-12.0 39 14.6 10.0-20.9
40,000 or more 526 435 82.7 78.2-86.4 30 6.5 4.3- 9.7 22 3.7 2.2- 6.4 39 7.1 4.7-10.4
WIC recipient
No 937 712 77.6 74.0-80.9 55 5.9 4.2- 8.1 57 5.4 3.8- 7.6 113 11.1 8.7-14.0
Yes 793 502 66.4 61.9-70.6 61 6.0 4.2- 8.6 73 9.8 7.4-12.9 157 17.8 14.5-21.5
Medicaid recipient
No 886 695 79.2 75.7-82.4 57 6.7 4.9- 9.0 46 5.2 3.6- 7.4 88 8.9 6.8-11.5
Yes 862 536 65.1 60.7-69.3 60 5.2 3.6- 7.6 84 9.8 7.4-12.9 182 19.8 16.4-23.7
Infant's birth weight
Under 1500 grams 311 224 71.7 66.3-76.6 25 8.5 5.7-12.3 22 6.7 4.4-10.1 40 13.1 9.7-17.4
1500-2499 grams 546 351 63.5 59.3-67.6 38 7.3 5.3- 9.9 44 8.2 6.1-11.0 113 21.0 17.7-24.7
2500+ grams 888 654 73.2 70.2-76.1 53 5.9 4.5- 7.6 64 7.3 5.8- 9.3 117 13.6 11.4-16.0

*Survey Question: Data in this table are recorded responses to survey question 22. In the 3 months before you got pregnant, how many cigarettes or packs of cigarettes did you smoke on an average day? (A pack has 20 cigarettes)

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