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Maternal Problem with Premature Labor?*
2007 Maine Pregnancy Risk Assessment Monitoring System Survey Results
        No       Yes    
Demographic Groups Population % 95% CI % 95% CI
  Total 14,110 80.5 77.8 - 83.0 19.5 17.0 - 22.2
Age                    
<20 years 1,176 75.2 63.5 - 84.1 24.8 15.9 - 36.5
20-24 years 3,620 77.2 71.1 - 82.3 22.8 17.7 - 28.9
25-34 years 7,307 82.4 78.7 - 85.5 17.7 14.5 - 21.3
35+ years 2,007 83.5 76.3 - 88.8 16.5 11.2 - 23.7
Mother's Race                  
White 13,392 80.4 77.6 - 82.9 19.6 17.1 - 22.4
Black 330 # # - # # # - #
Other  373 97.5 93.8 - 99.0 2.6 1.0 - 6.3
Hispanic Origin                  
Yes 208^ # # - # # # - #
No 13,871^ 80.7 78.0 - 83.2 19.3 16.8 - 22.0
Education                  
< High School 1,490 75.4 63.5 - 84.4 24.6 15.7 - 36.6
High School 4,761 78.2 73.2 - 82.5 21.8 17.5 - 26.8
> High School 7,798 83.1 79.7 - 86.0 16.9 14.0 - 20.3
Marital Status                  
Married 8,592 82.5 79.2 - 85.3 17.5 14.7 - 20.8
Other 5,515 77.7 72.8 - 81.9 22.3 18.1 - 27.2
Income                    
$15,999 or less 3,840** 73.9 67.9 - 79.1 26.1 20.9 - 32.1
$16,000-24,999 1,811** 76.7 68.3 - 83.5 23.3 16.5 - 31.7
$25,000-39,999 3,169** 83.9 78.5 - 88.2 16.1 11.8 - 21.5
$40,000 or more 4,750** 85.8 81.6 - 89.1 14.2 10.9 - 18.4
Enrolled in WIC                  
No 8,403** 82.1 78.8 - 85.0 17.9 15.0 - 21.2
Yes 5,063** 78.2 73.3 - 82.4 21.8 17.6 - 26.7
Enrolled in MaineCare/Medicaid                
No 7,252** 85.2 81.7 - 88.0 14.8 12.0 - 18.3
Yes 6,319** 76.3 72.0 - 80.1 23.7 19.9 - 28.0
Infant's birth weight                  
<2500 grams 892 52.8 49.3 - 56.3 47.2 43.8 - 50.7
2500 grams or more 13,207 82.2 79.3 - 84.8 17.8 15.2 - 20.7
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?
  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 2007 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