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Number of Cigarettes Smoked 3 months Before Pregnancy*

1999 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  None 1-9 per day 10-19 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 1732 1245 74.9 72.1-77.4 113 6.4 5.1- 8.1 126 6.4 5.0- 8.1 248 12.3 10.4-14.5
Age
< 20 years 261 177 69.5 61.3-76.7 21 9.5 5.5-15.8 28 9.9 5.9-16.2 35 11.1 6.9-17.3
20-24 years 445 290 66.1 60.2-71.7 37 8.1 5.4-12.0 35 7.3 4.7-11.3 83 18.4 14.1-23.6
25-34 years 827 632 79.9 76.2-83.2 45 4.8 3.3- 7.1 50 5.3 3.6- 7.5 100 10.0 7.7-12.9
35+ years 199 146 80.7 72.6-86.8 10 5.3 2.3-11.6 13 4.5 2.0- 9.8 30 9.6 5.5-16.1
Mother's Race
White 1162 784 72.1 68.8-75.3 71 5.9 4.4- 7.9 93 6.5 5.0- 8.5 214 15.4 13.0-18.2
African American 507 410 82.4 77.1-86.7 40 8.7 5.7-13.1 26 4.9 2.8- 8.4 31 4.0 2.2- 7.1
Other Minorities 63 51 81.2 64.6-91.1 2 0.9 0.2- 3.5 7 13.9 5.7-30.5 3 4.0 0.7-19.3
Hispanic origin
Yes 111 99 92.7 84.9-96.6 6 5.4 2.1-13.0 1 0.1 0.0- 0.4 5 1.9 0.4- 7.6
No 1621 1146 73.2 70.3-76.0 107 6.5 5.1- 8.3 125 7.0 5.5- 8.8 243 13.3 11.3-15.6
Education
< High School 390 240 67.4 60.8-73.3 32 7.6 4.8-12.0 35 8.1 5.1-12.5 83 16.9 12.5-22.4
High School 570 360 66.7 61.2-71.7 41 7.6 5.1-11.2 52 7.0 4.7-10.4 117 18.7 14.7-23.5
> High School 771 644 84.1 80.6-87.0 40 5.0 3.4- 7.4 39 5.1 3.5- 7.4 48 5.8 4.0- 8.1
Marital Status
Married 1142 857 77.6 74.3-80.5 64 5.0 3.7- 6.9 77 6.4 4.8- 8.5 144 11.0 8.9-13.5
Other 590 388 68.8 63.3-73.7 49 9.6 6.7-13.5 49 6.3 4.1- 9.6 104 15.4 11.7-19.8
Income
15,999 or less 497 299 63.4 57.4-69.0 43 9.1 6.2-13.2 49 8.7 5.9-12.8 106 18.8 14.6-23.9
16,000-24,999 269 171 64.3 56.3-71.5 19 7.9 4.5-13.6 30 9.9 6.1-15.6 49 17.9 12.6-24.9
25,000-39,999 263 193 76.8 69.7-82.7 16 4.6 2.3- 9.1 15 4.5 2.2- 8.9 39 14.1 9.5-20.5
40,000 or more 532 449 86.0 81.9-89.3 26 5.1 3.2- 8.1 25 4.2 2.5- 6.9 32 4.7 3.0- 7.5
WIC recipient
No 920 716 80.6 77.1-83.7 51 5.5 3.9- 7.8 49 4.3 2.9- 6.3 104 9.6 7.4-12.3
Yes 800 518 68.1 63.6-72.2 61 7.4 5.3-10.1 77 8.9 6.6-11.9 144 15.7 12.6-19.3
Medicaid recipient
No 866 702 82.3 78.9-85.3 48 5.3 3.7- 7.6 40 4.2 2.8- 6.2 76 8.2 6.2-10.8
Yes 866 543 66.5 62.1-70.6 65 7.7 5.6-10.5 86 8.9 6.6-11.8 172 17.0 13.8-20.6
Infant's birth weight
Under 1500 grams 317 217 69.4 64.0-74.3 22 7.1 4.6-10.6 27 7.8 5.4-11.2 51 15.7 12.1-20.2
1500-2499 grams 535 356 65.0 60.7-69.0 37 7.4 5.4-10.1 46 9.1 6.8-11.9 96 18.6 15.4-22.2
2500+ grams 875 668 75.6 72.6-78.4 54 6.3 4.9- 8.2 53 6.2 4.7- 8.0 100 11.8 9.8-14.2

*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.