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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 79.2 76.4 - 81.8 20.8 18.3 - 23.6
Age                    
<20 years 1,119 65.6 53.7 - 75.8 34.4 24.2 - 46.3
20-24 years 3,490 71.9 65.5 - 77.5 28.1 22.5 - 34.5
25-34 years 7,126 83.4 79.8 - 86.5 16.6 13.5 - 20.2
35+ years 1,867 86.3 79.9 - 90.9 13.7 9.1 - 20.1
Mother's Race                  
White 12,829 79.0 76.1 - 81.6 21.0 18.4 - 23.9
Black 367 # # - # # # - #
Other  390 88.0 68.7 - 96.1 12.0 3.9 - 31.3
Hispanic Origin                  
Yes 220^ # # - # # # - #
No 13365^ 79.2 76.3 - 81.7 20.9 18.3 - 23.7
Education                  
< High School 1,477 61.1 49.3 - 71.7 38.9 28.3 - 50.7
High School 4,605 75.8 70.5 - 80.4 24.2 19.6 - 29.5
> High School 7,523 85.1 81.9 - 87.7 14.9 12.3 - 18.1
Marital Status                  
Married 8,232 82.9 79.5 - 85.9 17.1 14.2 - 20.5
Other 5,372 74.1 69.3 - 78.5 25.9 21.5 - 30.8
Income                    
$15,999 or less 3,041** 68.7 61.7 - 75.0 31.3 25.0 - 38.3
$16,000-24,999 2,115** 76.2 68.3 - 82.7 23.8 17.3 - 31.7
$25,000-39,999 2,627** 84.2 78.4 - 88.7 15.8 11.3 - 21.6
$40,000 or more 4,277** 86.4 82.2 - 89.7 13.7 10.3 - 17.8
Enrolled in WIC                  
No 7,660** 82.4 78.9 - 85.4 17.6 14.6 - 21.1
Yes 5,355** 74.6 69.8 - 79.0 25.4 21.1 - 30.2
Enrolled in MaineCare/Medicaid                
No 6,009** 85.3 81.8 - 88.3 14.7 11.7 - 18.2
Yes 7,062** 73.9 69.6 - 77.8 26.1 22.2 - 30.4
Infant's birth weight                  
<2500 grams 910 51.1 47.5 - 54.8 48.9 45.2 - 52.6
2500 grams or more 12,689 81.0 78.0 - 83.7 19.0 16.3 - 22.1
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 25: Did you have any of these problems during your pregnancy?
  i. Labor pains more than 3 weeks before your baby was due (preterm or early labor)
** 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