Indiana Infant Mortality Report
1990 - 2003

Table 25. Infant mortality rates by selected characteristics among whites: Marion County, Indiana, 1990-1994 and 1999-2003 linked files
  Rate per 1,000
live births1		 Percent change
1990-1994 to 1999-2003
Characteristics 1990-1994 1999-2003
         
Total 8.5 6.8 -19.6  
         
Sex        
     Male 9.9 7.9 -20.3  
     Female 6.9 5.7 -17.0 **
         
Plurality        
     Single births 7.5 5.8 -22.9  
     Multiple births 44.5 38.1 -14.3 **
         
Birth weight        
     Less than 2,500 grams 72.9 57.0 -21.8  
         Less than 1,500 grams 307.4 249.6 -18.8 **
         1,500-2,499 grams 27.7 18.2 -34.2 **
     2,500 grams or more 3.5 2.6 -27.0  
         
Gestational age        
     Less than 37 weeks 46.4 36.2 -22.0  
         Less than 32 weeks 239.2 189.8 -20.7  
         32-36 weeks 14.7 10.6 -27.5 **
     37 weeks or more 4.0 2.7 -31.1  
         
Age of mother        
     Under 20 years 13.5 9.5 -29.6 **
         Under 18 years 12.6 12.0 -4.6 **
         18-19 years 13.9 8.2 -40.9 **
     20 years and over 7.8 6.5 -16.6  
         20-24 years 9.1 7.0 -22.4 **
         25-29 years 7.1 6.3 -11.5 **
         30-34 years 7.2 6.2 -13.6 **
         35 years and over 7.9 6.3 -20.3 **
         
Age/Education, years        
    <20, less than appropriate for age 18.2 10.4 -42.7 **
    <20, appropriate for age 10.1 9.1 -10.3 **
    20+, <12 years of education 14.5 7.7 -47.0  
    20+, 12 years of education 8.1 7.6 -6.0 **
    20+, 13+ years of education 5.6 5.2 -6.9 **
         
Educational attainment        
     Less than 12 years 14.5 8.6 -40.7  
         0-8 years 18.5 6.4 -65.4  
         9-11 years 14.0 9.4 -32.9  
     12 years 8.3 7.7 -7.5 **
     More than 12 years 5.6 5.1 -7.7 **
         13-15 years 6.5 6.1 -5.7 **
         16 years and over 4.9 4.5 -7.9 **
         
Live-birth order        
     First 6.4 7.2 12.2 **
     Second 9.0 5.6 -37.2  
     Third 10.6 7.1 -33.3 **
     Fourth+ 14.2 8.8 -38.0 **
         
Marital status        
     Married 7.1 6.0 -14.9 **
     Unmarried 12.6 8.2 -34.9  
         
Trimester prenatal care began        
     First trimester 7.3 6.6 -10.7 **
     After first trimester 9.8 5.9 -39.8  
         Second trimester 10.3 5.9 -42.3  
         Third trimester * * ---  
     No care 46.9 * ---  
         
Prenatal care index1        
     Adequate Plus 17.7 9.2 -48.0  
     Adequate 4.2 3.4 -17.4 **
     Intermediate 5.1 4.4 -13.5 **
     Inadequate 9.5 6.0 -37.6 **
     No care 46.9 * ---  
         
Maternal smoking        
     Smoking 13.4 7.9 -41.0  
     Non-smoking 6.5 5.9 -9.4 **
1The total number of infant deaths and live births used in calculating the mortality rates is derived by summation of the respective yearly numbers presented in Table B-3 of Appendix B.
**Not significant at p<0.05.
---Not applicable.
Source: Indiana State Department of Health, Epidemiology Resource Center