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Prevalence of Infants Exposed to Smoke*

1997 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  No Yes
Demographic Groups Total Respondents N % 95% C.I. N % 95% C.I.
Total 778 694 88.3 84.8-91.1 84 11.7 8.9-15.2
Age
< 20 years 117 102 88.5 77.9-94.4 15 11.5 5.6-22.1
20-24 years 209 183 82.3 73.3-88.7 26 17.7 11.3-26.7
25-34 years 366 330 90.9 86.1-94.1 36 9.1 5.9-13.9
35+ years 86 79 92.4 82.0-97.0 7 7.6 3.0-18.0
Mother's Race
White 527 466 87.4 82.9-90.9 61 12.6 9.1-17.1
African American 229 209 90.1 83.0-94.4 20 9.9 5.6-17.0
Other Minorities 22 19 92.3 66.9-98.6 3 7.7 1.4-33.1
Hispanic origin
Yes 18 17 98.6 89.5-99.8 1 1.4 0.2-10.5
No 760 677 88.1 84.5-91.0 83 11.9 9.0-15.5
Education
< High School 150 123 82.9 72.4-89.9 27 17.1 10.1-27.6
High School 264 222 83.0 75.6-88.4 42 17.0 11.6-24.4
> High School 364 349 94.8 90.9-97.1 15 5.2 2.9- 9.1
Marital Status
Married 527 478 91.3 87.4-94.1 49 8.7 5.9-12.6
Other 251 216 82.3 74.5-88.1 35 17.7 11.9-25.5
Income
15,999 or less 247 205 80.1 71.5-86.6 42 19.9 13.4-28.5
16,000-24,999 114 99 90.2 79.5-95.6 15 9.8 4.4-20.5
25,000-39,999 131 114 84.9 75.5-91.1 17 15.1 8.9-24.5
40,000 or more 241 234 96.8 92.6-98.6 7 3.2 1.4- 7.4
WIC recipient
No 426 400 93.7 89.8-96.2 26 6.3 3.8-10.2
Yes 346 289 82.1 75.7-87.1 57 17.9 12.9-24.3
Medicaid recipient
No 403 382 95.1 91.7-97.2 21 4.9 2.8- 8.3
Yes 375 312 80.6 74.1-85.8 63 19.4 14.2-25.9
Infant's birth weight
Under 1500 grams 119 110 92.7 86.4-96.2 9 7.3 3.8-13.6
1500-2499 grams 256 222 86.5 81.6-90.2 34 13.5 9.8-18.4
2500+ grams 401 360 88.4 84.5-91.4 41 11.6 8.6-15.5

*Survey Question:
Data in this table are recoded responses to survey question 44. About how many hours a day, on
average, is your new baby in the same room with someone who is smoking?

Percents based on fewer than 50 total respondents may not be reliable.
Interpret these percentages with caution. C.I. = confidence interval.