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Previous Premature Birth
2008 Maine Pregnancy Risk Assessment Monitoring System Survey Results
        No       Yes    
Demographic Groups Population %   95% CI   %   95% CI  
  Total 6,977** 87.1 83.7 - 89.9 12.9 10.1 - 16.3
Age                    
<20 years 78** 70.5 34.8 - 91.4 29.5 8.6 - 65.2
20-24 years 1,432** 84.1 75.1 - 90.2 15.9 9.8 - 24.9
25-34 years 4,124** 86.0 81.3 - 89.7 14.0 10.3 - 18.7
35+ years 1,342** 95.9 91.1 - 98.2 4.1 1.8 - 8.9
Mother's Race                  
White 6,759** 87.3 83.8 - 90.1 12.7 9.9 - 16.2
Black 68** # # - # # # - #
Other  149** 90.7 56.5 - 98.7 9.3 1.3 - 43.5
Hispanic Origin                  
Yes 42** # # - # # # - #
No 6,934** 86.9 83.4 - 89.8 13.1 10.3 - 16.6
Education                  
< High School 813** 80.8 65.3 - 90.4 19.2 9.6 - 34.7
High School 2,277** 85.9 79.2 - 90.7 14.2 9.4 - 20.8
> High School 3,869** 89.6 85.6 - 92.6 10.4 7.4 - 14.4
Marital Status                  
Married 4,719** 88.4 84.3 - 91.5 11.6 8.5 - 15.7
Other 2,257** 84.6 77.8 - 89.6 15.4 10.4 - 22.2
Income                    
$14,999 or less 1,874** 81.6 72.0 - 88.4 18.4 11.7 - 28.0
$15,000-24,999 873** 83.4 72.2 - 90.6 16.7 9.4 - 27.8
$25,000-49,999 1658** 90.2 82.7 - 94.7 9.8 5.4 - 17.3
$50,000 or more 2,571** 90.2 84.7 - 93.9 9.8 6.1 - 15.3
Enrolled in WIC                  
No 4,383** 88.3 83.9 - 91.6 11.7 8.4 - 16.1
Yes 2,558** 85.3 79.3 - 89.8 14.7 10.2 - 20.7
Enrolled in MaineCare/Medicaid                
No 3,737** 90.0 85.4 - 93.3 10.0 6.7 - 14.6
Yes 3,239** 84.8 79.7 - 88.9 15.2 11.1 - 20.3
Infant's birth weight                  
<2500 grams 330** 69.9 64.6 - 74.7 30.1 25.3 - 35.4
2500 grams or more 6,646** 88.1 84.4 - 91.0 11.9 9.0 - 15.6
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 10: Was the baby just before your new one born more than 3 weeks before it's due date? 
** Estimates of the population size for this group giving birth in Maine are made through PRAMS.
# 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