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Infant Sleeping Position*

1998 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 1564 571 32.9 30.0-35.9 675 46.3 43.2-49.5 318 20.7 18.3-23.4
Age
< 20 years 236 99 38.2 30.3-46.7 85 38.2 30.1-46.9 52 23.7 17.2-31.7
20-24 years 433 169 35.1 29.5-41.1 168 43.9 38.0-50.1 96 21.0 16.5-26.4
25-34 years 715 238 30.4 26.5-34.7 334 48.8 44.3-53.2 143 20.8 17.4-24.6
35+ years 180 65 31.7 23.5-41.2 88 52.6 43.0-62.0 27 15.7 9.9-24.1
Mother's Race
White 1052 349 30.6 27.3-34.1 502 49.5 45.7-53.2 201 20.0 17.2-23.1
African American 449 196 39.3 33.3-45.6 145 36.4 30.5-42.8 108 24.3 19.3-30.1
Other Minorities 63 26 37.9 24.3-53.7 28 47.8 32.7-63.2 9 14.4 6.4-29.0
Hispanic origin
Yes 77 28 32.3 20.6-46.7 41 56.4 42.1-69.6 8 11.3 4.8-24.3
No 1486 542 32.9 30.0-36.0 634 45.7 42.5-48.9 310 21.4 18.9-24.2
Education
< High School 318 135 36.6 29.8-43.9 120 42.2 35.1-49.7 63 21.2 15.7-27.8
High School 527 189 32.5 27.7-37.8 222 47.3 41.9-52.7 116 20.2 16.2-24.9
> High School 717 246 31.4 27.4-35.8 332 47.4 43.0-51.9 139 21.1 17.7-25.0
Marital Status
Married 1039 349 31.4 28.0-34.9 483 47.9 44.2-51.6 207 20.8 17.9-24.0
Other 525 222 36.3 30.9-42.0 192 43.1 37.4-48.9 111 20.7 16.3-25.7
Income
15,999 or less 461 195 37.5 31.9-43.4 169 42.0 36.1-48.1 97 20.5 16.1-25.9
16,000-24,999 247 86 33.9 26.9-41.8 100 40.7 33.2-48.7 61 25.4 19.2-32.8
25,000-39,999 253 82 29.6 23.1-37.0 111 44.8 37.4-52.4 60 25.6 19.6-32.8
40,000 or more 481 156 29.6 25.0-34.8 249 53.8 48.4-59.1 76 16.6 12.9-21.0
WIC recipient
No 842 274 28.9 25.3-32.8 402 50.9 46.7-55.0 166 20.2 17.0-23.7
Yes 706 292 38.3 33.7-43.1 266 40.5 35.9-45.4 148 21.2 17.5-25.4
Medicaid recipient
No 808 260 29.8 26.1-33.8 385 49.5 45.3-53.6 163 20.7 17.5-24.3
Yes 756 311 36.6 32.1-41.2 290 42.7 38.0-47.4 155 20.8 17.2-24.9
Infant's birth weight
Under 1500 grams 184 87 47.0 39.7-54.4 59 31.3 24.9-38.5 38 21.7 16.1-28.6
1500-2499 grams 522 210 42.3 37.9-46.7 212 38.7 34.6-43.1 100 19.0 15.8-22.7
2500+ grams 858 274 32.1 29.1-35.4 404 47.0 43.7-50.4 180 20.9 18.2-23.7

*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.