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Number of Cigarettes Smoked During Last 3 months of 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 1760 1458 86.3 84.1-88.3 157 7.4 5.9- 9.2 88 3.9 2.9- 5.3 57 2.4 1.6- 3.5
Age
< 20 years 269 227 85.8 79.0-90.6 33 11.3 7.1-17.7 5 1.9 0.5- 6.4 4 1.0 0.2- 4.7
20-24 years 458 359 79.7 74.3-84.1 50 10.5 7.3-14.8 30 6.2 3.8- 9.9 19 3.6 2.0- 6.6
25-34 years 834 713 90.0 87.2-92.3 54 4.4 3.0- 6.5 42 3.4 2.2- 5.3 25 2.2 1.2- 3.9
35+ years 199 159 87.0 79.9-91.9 20 7.6 4.0-13.8 11 3.3 1.3- 8.1 9 2.1 0.6- 6.7
Mother's Race
White 1183 949 84.8 82.0-87.2 111 7.2 5.5- 9.3 76 5.0 3.7- 6.9 47 3.0 2.0- 4.5
African American 512 454 90.7 86.5-93.7 41 8.1 5.3-12.2 9 0.4 0.2- 0.8 8 0.8 0.3- 2.6
Other Minorities 65 55 88.0 73.1-95.2 5 7.0 2.0-21.5 3 4.3 0.9-18.7 2 0.6 0.1- 3.1
Hispanic origin
Yes 111 106 97.0 90.2-99.1 5 3.0 0.9- 9.8 0 0.0 - 0 0.0 -
No 1649 1352 85.3 82.9-87.4 152 7.8 6.3- 9.7 88 4.3 3.2- 5.8 57 2.6 1.8- 3.8
Education
< High School 404 290 79.5 73.8-84.3 59 11.5 8.0-16.3 29 5.5 3.2- 9.3 26 3.4 1.8- 6.5
High School 580 452 81.2 76.5-85.1 60 8.5 5.9-12.1 43 5.7 3.6- 8.8 25 4.6 2.8- 7.6
> High School 775 715 93.3 90.7-95.1 38 4.5 3.0- 6.7 16 1.9 1.0- 3.5 6 0.3 0.1- 1.4
Marital Status
Married 1155 993 88.9 86.4-91.0 79 5.2 3.8- 7.1 60 4.8 3.5- 6.7 23 1.1 0.6- 2.1
Other 605 465 80.5 75.8-84.5 78 12.3 9.1-16.4 28 1.9 0.9- 3.7 34 5.3 3.3- 8.4
Income
15,999 or less 509 372 78.0 72.7-82.5 66 12.0 8.6-16.4 39 5.1 3.1- 8.3 32 4.9 3.0- 8.1
16,000-24,999 275 217 78.2 71.0-84.0 31 8.9 5.5-14.3 19 8.5 5.0-14.1 8 4.3 2.0- 9.2
25,000-39,999 268 228 89.2 83.5-93.1 21 7.2 4.1-12.4 12 3.1 1.3- 7.2 7 0.4 0.2- 1.0
40,000 or more 535 494 94.1 91.0-96.2 26 3.7 2.1- 6.4 11 1.7 0.8- 3.7 4 0.5 0.1- 2.2
WIC recipient
No 928 801 90.5 87.9-92.6 73 5.9 4.2- 8.1 35 2.7 1.7- 4.4 19 0.9 0.4- 2.0
Yes 820 645 81.4 77.6-84.7 84 9.2 6.9-12.2 53 5.3 3.6- 7.8 38 4.1 2.6- 6.3
Medicaid recipient
No 876 794 92.6 90.2-94.5 49 4.2 2.8- 6.2 20 1.9 1.1- 3.4 13 1.2 0.6- 2.6
Yes 884 664 79.3 75.4-82.7 108 10.9 8.4-14.0 68 6.1 4.3- 8.6 44 3.7 2.4- 5.7
Infant's birth weight
Under 1500 grams 324 259 81.0 76.4-84.9 36 10.7 7.8-14.6 18 5.1 3.3- 8.0 11 3.1 1.7- 5.6
1500-2499 grams 545 418 75.3 71.3-78.8 60 11.5 9.0-14.6 39 7.6 5.6-10.2 28 5.6 3.9- 8.1
2500+ grams 886 777 87.2 84.7-89.3 60 7.0 5.5- 9.0 31 3.6 2.6- 5.1 18 2.2 1.4- 3.4

*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.