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Number of Cigarettes Smoked During Last 3 months of 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 1773 1449 84.3 82.0-86.4 149 7.4 6.0- 9.2 107 5.7 4.5- 7.4 68 2.5 1.8- 3.6
Age
< 20 years 271 211 75.4 67.7-81.8 34 13.5 8.8-20.2 20 8.6 5.0-14.6 6 2.4 0.9- 6.6
20-24 years 493 389 83.3 78.5-87.1 45 7.9 5.3-11.6 31 5.1 3.0- 8.4 28 3.7 2.2- 6.3
25-34 years 806 683 87.3 84.1-89.9 56 5.2 3.6- 7.4 39 5.3 3.6- 7.6 28 2.3 1.3- 3.9
35+ years 203 166 85.8 78.0-91.2 14 8.0 4.1-15.0 17 5.6 2.6-11.8 6 0.5 0.2- 1.1
Mother's Race
White 1169 921 81.9 78.9-84.5 102 7.8 6.0- 9.9 92 7.2 5.5- 9.4 54 3.2 2.2- 4.6
African American 536 470 91.1 87.2-93.9 43 6.7 4.3-10.3 10 1.2 0.4- 3.2 13 1.0 0.4- 2.4
Other Minorities 68 58 87.5 72.9-94.8 4 5.7 1.6-18.3 5 6.7 1.9-21.0 1 0.1 0.0- 1.0
Hispanic origin
Yes 89 85 98.4 93.1-99.6 4 1.6 0.4- 6.9 0 0.0 - 0 0.0 -
No 1683 1364 83.2 80.8-85.5 144 7.8 6.3- 9.7 107 6.2 4.8- 8.0 68 2.7 1.9- 3.9
Education
< High School 374 253 74.0 67.8-79.4 52 12.4 8.6-17.5 41 10.3 6.9-15.2 28 3.3 1.8- 5.9
High School 594 462 78.1 73.4-82.2 62 9.6 6.9-13.2 43 8.2 5.7-11.7 27 4.1 2.5- 6.7
> High School 803 732 93.8 91.4-95.6 35 3.4 2.2- 5.4 23 1.7 0.9- 3.3 13 1.0 0.4- 2.2
Marital Status
Married 1157 986 87.1 84.4-89.3 74 5.9 4.4- 7.8 58 4.2 2.9- 5.8 39 2.9 1.9- 4.4
Other 616 463 78.6 73.8-82.8 75 10.6 7.7-14.5 49 9.0 6.3-12.8 29 1.7 0.9- 3.2
Income
15,999 or less 541 378 74.8 69.6-79.4 71 11.0 7.9-15.0 59 11.1 8.0-15.2 33 3.1 1.8- 5.4
16,000-24,999 278 221 82.4 75.9-87.4 23 8.6 5.2-14.0 20 4.6 2.4- 8.8 14 4.4 2.2- 8.7
25,000-39,999 280 237 86.1 80.1-90.5 21 6.4 3.6-11.2 14 4.9 2.5- 9.4 8 2.6 1.1- 6.0
40,000 or more 528 490 93.2 89.9-95.5 22 3.2 1.8- 5.7 9 2.5 1.2- 5.0 7 1.1 0.4- 3.0
WIC recipient
No 947 818 88.6 85.7-90.9 63 5.6 4.0- 7.8 38 3.7 2.4- 5.6 28 2.2 1.3- 3.6
Yes 808 614 79.3 75.3-82.7 85 9.5 7.1-12.5 69 8.3 6.1-11.2 40 3.0 1.9- 4.8
Medicaid recipient
No 894 799 90.1 87.3-92.3 48 4.8 3.3- 6.9 28 2.9 1.8- 4.7 19 2.2 1.3- 3.8
Yes 879 650 77.9 73.9-81.3 101 10.3 7.9-13.4 79 8.9 6.6-11.8 49 2.9 1.9- 4.6
Infant's birth weight
Under 1500 grams 319 263 81.5 76.6-85.5 28 9.1 6.3-13.0 18 5.8 3.7- 9.1 10 3.6 1.9- 6.6
1500-2499 grams 549 411 73.8 69.8-77.5 59 11.3 8.8-14.4 41 7.4 5.5-10.0 38 7.4 5.4-10.1
2500+ grams 902 772 85.1 82.5-87.3 62 7.1 5.6- 9.0 48 5.6 4.3- 7.4 20 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.