Indiana Infant Mortality Report
1990 - 2003

Table 17. Infant mortality rates by selected characteristics among non-Hispanic 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 -14.4  
         
Sex        
     Male 8.9 7.5 -16.1  
     Female 6.8 6.0 -11.2  
         
Plurality        
     Single births 7.1 5.9 -17.0  
     Multiple births 39.6 31.8 -19.9  
         
Birth weight        
     Less than 2,500 grams 73.1 57.6 -21.2  
         Less than 1,500 grams 307.6 242.0 -21.3  
         1,500-2,499 grams 25.4 19.1 -24.8  
     2,500 grams or more 3.5 2.6 -26.2  
         
Gestational age        
     Less than 37 weeks 46.8 35.7 -23.6  
         Less than 32 weeks 214.1 180.4 -15.8  
         32-36 weeks 14.7 10.5 -28.5  
     37 weeks or more 3.8 2.8 -24.2  
         
Age of mother        
     Under 20 years 11.3 9.4 -16.3  
         Under 18 years 12.8 9.8 -23.2  
         18-19 years 10.5 9.3 -11.9 **
     20 years and over 7.4 6.4 -13.1  
         20-24 years 8.6 7.6 -11.5  
         25-29 years 6.8 5.5 -18.7  
         30-34 years 6.4 5.7 -9.6 **
         35 years and over 8.1 7.4 -9.8 **
         
Age/Education        
    <20, less than appropriate 13.4 10.6 -21.1  
    <20, appropriate 10.0 8.8 -12.1 **
    20+, <12 years of education 11.1 9.8 -11.6 **
    20+, 12 years of education 7.8 7.2 -7.2 **
    20+, 13+ years of education 5.8 4.9 -14.7  
         
Educational attainment        
     Less than 12 years 11.6 10.0 -14.0  
         0-8 years 13.1 8.8 -32.2  
         9-11 years 11.3 10.3 -9.2 **
     12 years 7.9 7.3 -7.4 **
     More than 12 years 5.8 4.9 -14.6  
         13-15 years 6.1 5.5 -9.5 **
         16 years and over 5.5 4.4 -18.9  
         
Live-birth order        
     First 7.2 6.8 -5.5 **
     Second 7.7 6.0 -21.3  
     Third 8.7 7.1 -19.3  
     Fourth+ 9.8 8.1 -17.9  
         
Marital status        
     Married 6.8 5.8 -14.6  
     Unmarried 11.3 8.9 -21.3  
         
Trimester prenatal care began        
     First trimester 7.2 6.2 -14.5  
     After first trimester 8.5 7.3 -14.8  
         Second trimester 8.6 7.2 -15.9  
         Third trimester 8.0 7.3 -8.5 **
     No care 32.2 30.3 -5.9 **
         
Prenatal care index2        
     Adequate Plus 13.1 9.4 -28.4  
     Adequate 4.4 3.5 -21.7  
     Intermediate 5.2 4.2 -20.0  
     Inadequate 8.9 7.1 -19.9  
     No care 32.2 30.3 -5.9 **
         
Maternal smoking        
     Smoking 10.7 9.9 -7.2 **
     Non-smoking 6.8 5.4 -19.6  
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-5 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