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Number of Cigarettes Smoked 3 months Before 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 820 587 74.7 70.3-78.6 47 5.1 3.4- 7.6 54 4.8 3.1- 7.2 132 15.5 12.3-19.3
Age
< 20 years 120 83 75.2 63.0-84.3 9 5.5 2.0-14.1 8 2.7 0.6-10.9 20 16.6 9.2-28.2
20-24 years 213 140 63.8 54.2-72.4 15 6.8 3.3-13.6 14 6.7 3.2-13.5 44 22.7 15.7-31.6
25-34 years 394 282 77.0 71.0-82.1 22 4.7 2.6- 8.3 30 5.3 3.1- 9.2 60 12.9 9.0-18.1
35+ years 93 82 91.6 81.4-96.4 1 1.7 0.2-11.1 2 0.5 0.1- 2.2 8 6.2 2.2-16.2
Mother's Race
White 552 370 70.8 65.3-75.7 31 4.6 2.7- 7.6 36 5.0 3.1- 8.2 115 19.6 15.4-24.6
African American 244 198 81.6 73.5-87.6 15 6.9 3.5-13.2 16 4.5 2.0-10.1 15 6.9 3.5-13.2
Other Minorities 24 19 97.1 92.0-99.0 1 0.7 0.1- 5.3 2 1.1 0.2- 5.0 2 1.1 0.3- 4.8
Hispanic origin
Yes 18 15 81.5 39.7-96.7 0 0.0 - 0 0.0 - 3 18.5 3.3-60.3
No 802 572 74.6 70.2-78.5 47 5.2 3.4- 7.7 54 4.8 3.2- 7.3 129 15.4 12.2-19.3
Education
< High School 154 86 64.6 53.0-74.7 11 5.2 2.0-13.0 19 6.2 2.5-14.4 38 24.0 15.5-35.2
High School 279 180 67.5 59.4-74.7 17 5.3 2.6-10.3 19 4.5 2.1- 9.4 63 22.7 16.5-30.4
> High School 387 321 84.4 79.1-88.5 19 4.9 2.7- 8.7 16 4.2 2.3- 7.8 31 6.4 4.0-10.2
Marital Status
Married 555 418 80.7 76.0-84.7 26 4.0 2.3- 6.7 35 4.2 2.4- 7.1 76 11.2 8.1-15.1
Other 265 169 62.7 54.0-70.6 21 7.4 4.0-13.3 19 5.9 3.0-11.4 56 24.0 17.3-32.4
Income
15,999 or less 244 145 61.1 51.8-69.7 18 6.7 3.3-13.0 21 6.9 3.5-13.4 60 25.3 18.0-34.2
16,000-24,999 128 82 64.8 51.4-76.2 14 12.9 6.3-24.7 8 0.8 0.4- 1.8 24 21.5 12.5-34.4
25,000-39,999 137 99 74.3 63.9-82.6 4 2.7 0.8- 9.3 9 7.4 3.4-15.5 25 15.5 9.2-25.1
40,000 or more 260 219 87.0 81.0-91.2 11 3.2 1.4- 7.0 9 2.4 1.0- 5.8 21 7.5 4.3-12.7
WIC recipient
No 459 363 83.8 78.8-87.9 13 2.1 1.0- 4.6 21 3.4 1.8- 6.4 62 10.6 7.3-15.1
Yes 358 223 64.4 57.1-71.1 33 8.3 5.1-13.2 32 6.0 3.3-10.5 70 21.4 16.0-28.0
Medicaid recipient
No 429 342 82.9 77.9-87.0 20 4.2 2.4- 7.3 20 3.8 2.1- 6.8 47 9.1 6.2-13.3
Yes 391 245 65.1 57.8-71.7 27 6.2 3.5-10.7 34 5.9 3.3-10.4 85 22.9 17.3-29.6
Infant's birth weight
Under 1500 grams 165 112 66.6 58.8-73.6 8 4.9 2.4- 9.5 21 13.2 8.7-19.6 24 15.3 10.4-22.0
1500-2499 grams 250 161 64.0 57.7-69.9 20 8.0 5.1-12.1 16 6.9 4.2-11.1 53 21.1 16.4-26.8
2500+ grams 403 312 75.5 70.8-79.7 19 4.9 3.1- 7.7 17 4.5 2.8- 7.2 55 15.1 11.7-19.2

*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.