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Infant Sleeping Position*

1999 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  On side On back On stomach
Demographic Groups Total Respondents N % 95% C.I. N % 95% C.I. N % 95% C.I.
Total 1558 502 30.1 27.3-33.1 788 51.8 48.7-55.0 268 18.0 15.7-20.6
Age
< 20 years 227 87 34.8 27.1-43.3 102 45.8 37.3-54.4 38 19.5 13.4-27.4
20-24 years 403 131 27.6 22.4-33.4 192 48.8 42.6-55.0 80 23.6 18.7-29.5
25-34 years 755 234 31.6 27.5-35.9 405 54.2 49.7-58.7 116 14.2 11.4-17.6
35+ years 173 50 24.0 17.0-32.8 89 56.6 47.2-65.6 34 19.4 13.0-27.8
Mother's Race
White 1078 314 28.0 24.8-31.4 594 55.4 51.7-59.0 170 16.6 14.1-19.6
African American 426 163 35.4 29.3-42.1 171 41.3 34.8-48.0 92 23.3 18.0-29.6
Other Minorities 54 25 43.3 27.7-60.4 23 42.5 27.1-59.5 6 14.2 5.6-31.4
Hispanic origin
Yes 95 39 41.6 30.6-53.5 37 41.8 30.8-53.6 19 16.6 9.6-27.0
No 1463 463 29.1 26.2-32.2 751 52.7 49.4-56.0 249 18.2 15.7-20.9
Education
< High School 344 140 39.3 32.7-46.3 144 42.9 36.2-50.0 60 17.7 13.0-23.8
High School 506 173 29.2 24.3-34.7 236 47.2 41.4-53.0 97 23.6 19.0-29.0
> High School 707 189 26.2 22.5-30.4 408 59.3 54.8-63.6 110 14.5 11.6-17.9
Marital Status
Married 1045 312 27.4 24.2-30.9 565 54.7 50.9-58.4 168 17.9 15.1-21.0
Other 513 190 36.3 30.9-42.1 223 45.3 39.6-51.2 100 18.4 14.3-23.3
Income
15,999 or less 438 166 34.7 29.0-40.9 197 47.2 40.9-53.5 75 18.1 13.8-23.6
16,000-24,999 245 83 32.1 25.2-40.0 118 52.0 44.0-59.9 44 15.8 10.8-22.7
25,000-39,999 239 60 23.3 17.2-30.7 132 55.9 47.8-63.6 47 20.9 15.1-28.1
40,000 or more 486 133 26.9 22.4-32.0 283 57.4 52.0-62.7 70 15.7 12.1-20.1
WIC recipient
No 821 248 28.4 24.7-32.4 441 55.3 51.0-59.5 132 16.3 13.4-19.8
Yes 724 250 32.1 27.8-36.7 340 47.8 43.1-52.6 134 20.1 16.5-24.2
Medicaid recipient
No 797 229 27.2 23.6-31.1 444 55.8 51.5-59.9 124 17.0 14.0-20.5
Yes 761 273 33.6 29.2-38.2 344 47.2 42.5-52.0 144 19.2 15.7-23.3
Infant's birth weight
Under 1500 grams 212 83 39.6 33.0-46.5 89 41.0 34.5-47.9 40 19.4 14.4-25.5
1500-2499 grams 502 171 35.2 31.0-39.5 254 49.9 45.5-54.3 77 14.9 12.1-18.3
2500+ grams 841 246 29.7 26.6-32.9 445 52.1 48.7-55.5 150 18.2 15.7-21.0

*Survey Question:
45. How do you put your baby down to sleep most of the time?

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