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Maternal Problem with Premature Labor?*
2008 Maine Pregnancy Risk Assessment Monitoring System Survey Results
        No       Yes    
Demographic Groups Population % 95% CI % 95% CI
  Total 13,605 95.7 94.4 - 96.7 4.3 3.3 - 5.6
Age                    
<20 years 1,119 94.7 87.7 - 97.8 5.3 2.2 - 12.3
20-24 years 3,490 96.4 93.9 - 97.9 3.6 2.1 - 6.1
25-34 years 7,126 95.2 93.1 - 96.7 4.8 3.3 - 6.9
35+ years 1,867 96.7 93.6 - 98.4 3.3 1.7 - 6.4
Mother's Race                  
White 12,829 95.9 94.6 - 96.8 4.2 3.2 - 5.4
Black 367 # # - # # # - #
Other  390 94.7 79.3 - 98.8 5.3 1.2 - 20.7
Hispanic Origin                  
Yes 220^ # # - # # # - #
No 13365^ 95.6 94.3 - 96.7 4.4 3.3 - 5.7
Education                  
< High School 1,477 96.7 91.4 - 98.8 3.3 1.2 - 8.6
High School 4,605 93.9 90.8 - 96.0 6.1 4.0 - 9.2
> High School 7,523 96.9 95.6 - 97.8 3.1 2.2 - 4.4
Marital Status                  
Married 8,232 96.0 94.2 - 97.3 4.0 2.7 - 5.8
Other 5,372 95.3 93.2 - 96.7 4.7 3.3 - 6.9
Income                    
$15,999 or less 3,041** 95.5 92.8 - 97.2 4.5 2.8 - 7.2
$16,000-24,999 2,115** 93.0 87.4 - 96.2 7.0 3.8 - 12.6
$25,000-39,999 2,627** 96.1 93.0 - 97.9 3.9 2.1 - 7.0
$40,000 or more 4,277** 96.3 94.0 - 97.8 3.7 2.2 - 6.1
Enrolled in WIC                  
No 7,660** 96.3 94.6 - 97.5 3.7 2.5 - 5.4
Yes 5,355** 94.8 92.4 - 96.4 5.2 3.6 - 7.6
Enrolled in MaineCare/Medicaid                
No 6,009** 96.9 95.3 - 98.0 3.1 2.0 - 4.7
Yes 7,062** 94.6 92.5 - 96.2 5.4 3.8 - 7.5
Infant's birth weight                  
<2500 grams 910 72.2 68.8 - 75.3 27.9 24.7 - 31.2
2500 grams or more 12,689 97.2 95.7 - 98.2 2.8 1.8 - 4.3
NOTES:
Population size for groups giving birth in Maine are taken from the Maine Vital Statistics System unless otherwise noted.
Unknowns are excluded from all tabulations.
*Survey Question 24: Did you have any of these problems during your pregnancy?
  Labor Pains more than 3 weeks before baby was due (premature rupture of membranes)
** Estimates of the population size for this group giving birth in Maine are made through PRAMS.
^ Estimate of Hispanic population giving birth in Maine is taken from the 2008 birth file.
# There were fewer than 10 survey respondents to this question.  Data may be unreliable for describing this group, therefore 
percent is not reported.
CI = 95% Confidence Interval
Maine Department of Health and Human Services
Office of Data, Research, and Vital Statistics