Indiana Infant Mortality Report
1990 - 2003

Table 34. Infant mortality rates by selected characteristics among blacks: Lake 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 16.0 13.5 -15.3 **
         
Sex        
     Male 18.4 16.2 -11.6 **
     Female 13.5 10.4 -23.0 **
         
Plurality        
     Single births 14.7 12.0 -18.6 **
     Multiple births 57.3 54.9 ---  
         
Birth weight        
     Less than 2,500 grams 85.9 64.4 -25.1 **
         Less than 1,500 grams 295.7 221.2 -25.2 **
         1,500-2,499 grams 27.8 17.9 -35.6 **
     2,500 grams or more 5.3 5.3 0.4 **
         
Gestational age        
     Less than 37 weeks 60.5 45.6 -24.6 **
         Less than 32 weeks 196.0 166.0 -15.3 **
         32-36 weeks 16.4 * ---  
     37 weeks or more 5.5 5.9 7.6 **
         
Age of mother        
     Under 20 years 14.7 12.7 -13.2 **
         Under 18 years 13.6 * ---  
         18-19 years 15.6 * ---  
     20 years and over 16.5 13.7 -16.7 **
         20-24 years 15.9 12.7 -20.4 **
         25-29 years 19.9 12.4 -37.7 **
         30-34 years 13.9 14.0 0.9 **
         35 years and over * * ---  
         
Age/Education, years        
    <20, less than appropriate for age * * ---  
    <20, appropriate for age 14.5 13.1 -9.9 **
    20+, <12 years of education 17.5 * ---  
    20+, 12 years of education 14.5 16.7 14.9 **
    20+, 13+ years of education 18.6 11.4 -38.6 **
         
Educational attainment        
     Less than 12 years 14.5 13.8 -4.8 **
         0-8 years * * ---  
         9-11 years 13.8 14.2 3.1 **
     12 years 14.9 15.2 2.0 **
     More than 12 years 19.0 11.7 -38.3 **
         13-15 years 18.1 12.0 -33.6 **
         16 years and over * * ---  
         
Live-birth order        
     First 14.8 14.2 -4.3 **
     Second 20.3 12.1 -40.5 **
     Third 13.6 14.4 5.7 **
     Fourth+ 13.7 13.9 1.0 **
         
Marital status        
     Married 15.7 10.5 -33.0 **
     Unmarried 16.1 14.4 -10.6 **
         
Trimester prenatal care began        
     First trimester 16.8 12.7 -24.3 **
     After first trimester 10.9 14.5 32.9 **
         Second trimester 12.0 14.6 21.1 **
         Third trimester * * ---  
     No care 48.8 * ---  
         
Prenatal care index2        
     Adequate Plus 17.8 15.8 -11.4 **
     Adequate 11.8 * ---  
     Intermediate 16.8 * ---  
     Inadequate 11.2 13.6 22.0 **
     No care 48.8 * ---  
         
Maternal smoking        
     Smoking 17.4 18.9 8.5 **
     Non-smoking 15.7 12.8 -18.3 **
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 C-4 of Appendix C.
2Based on APNCU Index (Kotelchuck, M., Am J Public Health 1994;84:1414-1420).
**Not significant at p<0.05.
---Not applicable.
Source: Indiana State Department of Health, Epidemiology Resource Center