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Number of Cigarettes Smoked During Last 3 months of Pregnancy*

1997 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 836 695 86.6 83.0-89.5 61 5.0 3.3- 7.4 45 5.1 3.3- 7.8 35 3.3 1.9- 5.4
Age
< 20 years 127 104 89.8 80.2-95.0 11 3.1 0.9-10.0 7 5.5 1.9-14.8 5 1.6 0.3- 7.8
20-24 years 220 176 79.0 70.2-85.7 21 10.7 6.1-18.2 14 5.3 2.3-11.8 9 5.0 2.2-11.0
25-34 years 395 328 88.1 83.0-91.9 27 3.5 1.8- 6.4 22 5.2 2.8- 9.5 18 3.2 1.4- 6.9
35+ years 94 87 94.0 84.3-97.9 2 0.3 0.1- 1.1 2 3.8 0.9-14.0 3 1.9 0.4- 9.8
Mother's Race
White 564 453 83.1 78.3-87.0 44 6.2 3.9- 9.6 40 6.8 4.4-10.5 27 3.9 2.2- 6.9
African American 247 222 94.1 88.5-97.0 14 2.5 0.9- 6.4 5 1.6 0.3- 6.9 6 1.9 0.6- 6.4
Other Minorities 25 20 97.1 92.1-99.0 3 1.8 0.5- 6.3 0 0.0 - 2 1.1 0.3- 4.7
Hispanic origin
Yes 19 18 98.9 91.7-99.9 1 1.1 0.1- 8.3 0 0.0 - 0 0.0 -
No 817 677 86.4 82.7-89.3 60 5.1 3.4- 7.6 45 5.2 3.4- 8.0 35 3.3 2.0- 5.5
Education
< High School 162 112 76.8 66.2-84.9 17 5.8 2.5-12.9 20 13.7 7.4-23.8 13 3.7 1.3- 9.9
High School 284 221 81.6 74.4-87.1 25 6.5 3.4-12.0 18 5.0 2.5- 9.6 20 7.0 3.7-12.6
> High School 390 362 94.7 91.1-96.9 19 3.6 1.8- 6.9 7 1.3 0.5- 3.6 2 0.4 0.1- 2.5
Marital Status
Married 561 483 90.8 87.1-93.5 34 3.3 1.9- 5.8 25 3.4 1.9- 6.2 19 2.4 1.3- 4.7
Other 275 212 78.3 70.3-84.6 27 8.3 4.7-14.3 20 8.5 4.6-15.0 16 4.9 2.2-10.4
Income
15,999 or less 255 181 76.6 68.0-83.4 31 8.8 4.8-15.6 23 9.0 4.9-15.9 20 5.6 2.7-11.3
16,000-24,999 129 108 87.2 76.6-93.4 10 6.1 2.3-15.1 6 0.8 0.3- 1.9 5 5.9 2.0-15.9
25,000-39,999 138 114 85.6 76.2-91.7 9 4.9 2.0-11.5 8 5.9 2.3-14.1 7 3.6 1.1-11.2
40,000 or more 260 245 94.5 89.6-97.1 6 1.9 0.7- 5.5 7 3.0 1.1- 7.5 2 0.6 0.1- 3.5
WIC recipient
No 463 409 90.3 85.8-93.4 18 2.9 1.4- 5.8 22 4.9 2.7- 8.8 14 2.0 0.9- 4.4
Yes 369 284 82.7 76.6-87.5 41 7.0 4.2-11.6 23 5.5 2.9- 9.9 21 4.8 2.5- 9.0
Medicaid recipient
No 433 393 92.0 88.1-94.8 18 3.4 1.8- 6.3 14 2.8 1.3- 5.7 8 1.8 0.7- 4.4
Yes 403 302 80.3 74.0-85.5 43 6.9 4.0-11.4 31 7.8 4.6-12.9 27 5.0 2.7- 9.1
Infant's birth weight
Under 1500 grams 167 131 76.9 69.5-82.9 18 11.3 7.2-17.3 11 7.8 4.3-13.6 7 4.1 1.9- 8.3
1500-2499 grams 260 200 76.0 70.2-80.9 26 10.5 7.2-15.1 17 7.0 4.4-11.1 17 6.5 4.1-10.3
2500+ grams 407 362 87.5 83.5-90.6 17 4.5 2.8- 7.3 17 5.0 3.1- 7.9 11 3.0 1.7- 5.5

*Survey Question:
Data in this table are recoded responses to survey question 23. Data in this table are recorded responses to survey question 23. In the last 3 months of your pregnancy, how may 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.