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Premature Labor Resulted in Hospitalization*

1998 North Carolina Pregnancy Risk Assessment Monitoring System Survey Results
  No Yes
Demographic Groups Total Respondents N % 95% C.I. N % 95% C.I.
Total 495 273 57.6 50.9-64.0 222 42.4 36.0-49.1
Age
< 20 years 91 49 56.5 42.2-69.8 42 43.5 30.2-57.8
20-24 years 146 74 63.8 51.4-74.6 72 36.2 25.4-48.6
25-34 years 203 119 56.4 45.7-66.5 84 43.6 33.5-54.3
35+ years 55 31 47.4 27.5-68.2 24 52.6 31.8-72.5
Mother's Race
White 287 155 55.6 46.9-63.9 132 44.4 36.1-53.1
African American 190 106 61.4 50.1-71.5 84 38.6 28.5-49.9
Other Minorities 18 12 57.5 28.1-82.5 6 42.5 17.5-71.9
Hispanic origin
Yes 22 15 80.0 50.6-94.0 7 20.0 6.0-49.4
No 472 258 56.2 49.3-62.9 214 43.8 37.1-50.7
Education
< High School 119 60 57.8 44.9-69.8 59 42.2 30.2-55.1
High School 181 111 65.8 54.7-75.5 70 34.2 24.5-45.3
> High School 195 102 49.0 38.3-59.8 93 51.0 40.2-61.7
Marital Status
Married 301 168 55.9 47.2-64.3 133 44.1 35.7-52.8
Other 194 105 59.7 49.2-69.4 89 40.3 30.6-50.8
Income
15,999 or less 177 92 61.1 50.1-71.2 85 38.9 28.8-49.9
16,000-24,999 86 46 54.2 38.9-68.7 40 45.8 31.3-61.1
25,000-39,999 87 50 50.5 35.1-65.8 37 49.5 34.2-64.9
40,000 or more 105 63 56.3 40.9-70.5 42 43.7 29.5-59.1
WIC recipient
No 219 121 52.3 42.0-62.4 98 47.7 37.6-58.0
Yes 273 151 61.2 52.4-69.3 122 38.8 30.7-47.6
Medicaid recipient
No 195 112 54.0 43.4-64.3 83 46.0 35.7-56.6
Yes 300 161 59.8 51.2-67.8 139 40.2 32.2-48.8
Infant's birth weight
Under 1500 grams 131 69 52.3 43.5-60.9 62 47.7 39.1-56.5
1500-2499 grams 207 114 53.3 46.3-60.2 93 46.7 39.8-53.7
2500+ grams 155 89 58.4 50.5-66.0 66 41.6 34.0-49.5

*Survey Question:
What problems caused you to stay in the hospital? 28a. Labor pains more than 3 weeks before your
baby was due (preterm or early labor)

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