Indiana Infant Mortality Report
1990 - 2003

Table 15. Infant mortality rates by selected characteristics among whites: 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 7.9 6.7 -15.4  
         
Sex        
     Male 9.0 7.4 -17.0  
     Female 6.8 5.9 -13.0  
         
Plurality        
     Single births 7.1 5.8 -18.2  
     Multiple births 39.9 32.4 -18.7  
         
Birth weight        
     Less than 2,500 grams 73.3 57.7 -21.3  
         Less than 1,500 grams 307.2 244.0 -20.6  
         1,500-2,499 grams 25.4 18.6 -26.8  
     2,500 grams or more 3.5 2.5 -28.1  
         
Gestational age        
     Less than 37 weeks 46.7 35.6 -23.8  
         Less than 32 weeks 213.2 180.7 -15.2  
         32-36 weeks 14.7 10.1 -31.3  
     37 weeks or more 3.8 2.8 -25.8  
         
Age of mother        
     Under 20 years 11.2 9.1 -18.9  
         Under 18 years 12.7 9.6 -24.5  
         18-19 years 10.5 8.9 -15.3  
     20 years and over 7.4 6.4 -14.0  
         20-24 years 8.6 7.4 -13.9  
         25-29 years 6.8 5.6 -17.9  
         30-34 years 6.4 5.7 -11.2 **
         35 years and over 8.4 7.5 -10.7 **
         
Age/Education        
    <20, less than appropriate 13.3 9.5 -28.5  
    <20, appropriate 10.0 8.7 -12.2 **
    20+, <12 years of education 11.1 9.0 -18.8  
    20+, 12 years of education 7.8 7.2 -8.1 **
    20+, 13+ years of education 5.8 4.9 -15.6  
         
Educational attainment        
     Less than 12 years 11.6 9.2 -20.2  
         0-8 years 13.4 8.0 -40.0  
         9-11 years 11.2 9.7 -13.6  
     12 years 7.9 7.2 -8.2 **
     More than 12 years 5.8 4.9 -15.4  
         13-15 years 6.1 5.4 -10.6 **
         16 years and over 5.5 4.4 -19.4  
         
Live-birth order        
     First 7.2 6.8 -5.6 **
     Second 7.8 5.9 -23.6  
     Third 8.7 6.9 -20.6  
     Fourth+ 10.0 8.1 -18.5  
         
Marital status        
     Married 6.9 5.8 -15.2  
     Unmarried 11.3 8.6 -23.7  
         
Trimester prenatal care began        
     First trimester 7.2 6.1 -15.3  
     After first trimester 8.5 6.9 -19.1  
         Second trimester 8.6 7.0 -19.3  
         Third trimester 7.7 6.4 -17.1 **
     No care 33.1 29.4 -11.2 **
         
Prenatal care index2        
     Adequate Plus 13.1 9.3 -29.3  
     Adequate 4.5 3.5 -22.9  
     Intermediate 5.2 4.1 -21.1  
     Inadequate 8.6 6.6 -23.7  
     No care 33.1 29.4 -11.2 **
         
Maternal smoking        
     Smoking 10.8 9.9 -8.8 **
     Non-smoking 6.8 5.8 -14.1  
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 A-3 of Appendix A.
2Based on APNCU Index (Kotelchuck, M., Am J Public Health 1994;84:1414-1420).
**Not significant at p<0.05.
Source: Indiana State Department of Health, Epidemiology Resource Center