Indiana Infant Mortality Report
1990 - 2003

Table 28. Infant mortality rates by selected characteristics among all races, three-year moving averages: Lake County, Indiana, 1990-2003 linked files

Characteristics 90-92 91-93 92-94 93-95 94-96 95-97 96-98 97-99 98-00 99-01 00-02 01-03
  Rate per 1,000 live births in specified group
Total 10.4 10.5 10.8 11.0 10.9 10.1 9.9 9.4 9.0 8.7 9.2 9.0
                         
Sex                        
     Male 12.6 12.3 12.4 13.0 12.6 11.0 10.0 10.1 10.4 10.4 10.2 10.5
     Female 8.1 8.6 9.0 9.0 9.2 9.2 9.8 8.5 7.5 6.9 8.0 7.2
                         
Plurality                        
     Single births 9.7 9.9 10.0 10.3 10.0 9.5 9.4 9.1 8.8 8.4 8.3 7.8
     Multiple births 37.5 35.2 37.7 36.4 43.3 * * * * * 37.6 44.8
                         
Birth weight                        
     Less than 2,500 grams 80.2 81.1 88.4 85.5 75.4 60.3 64.1 64.2 60.8 57.2 63.5 63.3
         Less than 1,500 grams 280.9 287.7 337.0 339.9 315.6 248.6 266.8 270.1 252.7 224.0 233.2 244.7
         1,500-2,499 grams 31.4 29.5 26.1 24.8 19.0 13.4 * * 14.9 15.4 19.0 15.4
     2,500 grams or more 4.1 4.0 3.6 3.7 4.0 4.4 4.1 3.7 3.3 3.4 3.5 3.5
                         
Gestational age                        
     Less than 37 weeks 50.1 53.5 56.8 56.3 54.3 46.6 48.9 45.4 42.0 38.5 41.8 40.8
         Less than 32 weeks 177.0 186.3 212.7 225.8 220.0 188.2 200.7 196.8 183.9 169.6 168.7 174.5
         32-36 weeks 17.3 18.0 15.5 12.9 10.6 * * * * * 10.9 10.6
     37 weeks or more 4.5 4.1 3.7 3.9 4.1 4.4 4.0 3.9 3.9 3.9 3.8 3.4
                         
Age of mother                        
     Under 20 years 12.2 12.5 13.3 14.1 15.2 14.6 12.5 9.6 8.4 9.9 11.5 12.0
         Under 18 years * * * 13.5 15.3 * * * * * * *
         18-19 years 11.9 12.7 13.8 14.5 15.2 15.4 12.9 11.0 * * * 11.9
     20 years and over 10.1 10.1 10.3 10.4 10.0 9.2 9.4 9.3 9.1 8.5 8.9 8.6
         20-24 years 10.7 9.8 11.4 12.7 12.9 9.8 10.2 9.2 9.5 8.1 9.6 10.1
         25-29 years 9.8 10.5 9.2 9.2 8.0 8.6 8.8 9.0 8.4 8.6 9.3 8.7
         30-34 years 8.0 8.3 9.1 8.9 8.7 8.5 8.2 9.5 9.0 8.5 6.7 6.2
         35 years and over 14.8 14.7 12.3 9.9 9.6 10.3 10.8 9.8 10.0 9.6 9.9 9.2
                         
Age/Education                        
    <20, less than appropriate * * * * * * * * * * * *
    <20, appropriate 11.7 10.8 12.5 14.6 17.5 16.3 13.2 8.9 8.5 10.8 13.2 12.8
    20+, <12 years of education 12.1 11.1 13.2 14.0 15.6 12.3 13.1 10.3 9.9 9.4 9.4 9.6
    20+, 12 years of education 10.0 9.5 9.2 11.1 11.5 10.0 9.9 11.5 12.0 11.2 11.7 10.8
    20+, 13+ years of education 9.7 10.5 10.4 8.7 7.2 7.7 7.7 7.1 6.6 6.5 6.6 6.5
                         
Educational attainment                        
     Less than 12 years 11.6 11.8 12.8 13.5 14.3 12.9 12.8 10.5 9.9 10.3 10.6 11.0
         0-8 years * * * * * * * * * * * *
         9-11 years 9.3 9.9 11.4 12.9 14.6 13.6 13.7 11.5 11.1 11.0 11.4 11.8
     12 years 10.5 10.0 9.9 11.7 12.8 11.2 10.3 10.8 11.0 10.3 10.9 10.4
     More than 12 years 9.7 10.3 10.5 8.9 7.3 7.7 7.9 7.2 6.8 6.7 7.1 6.8
         13-15 years 8.8 9.7 11.2 9.8 8.3 7.8 8.4 7.7 7.3 7.3 7.9 7.9
         16 years and over 11.5 11.5 9.2 7.2 * 7.5 7.0 6.4 6.0 5.7 5.8 *
                         
Live-birth order                        
     First 8.4 8.3 9.1 10.0 10.1 10.1 9.1 8.3 8.2 8.5 8.8 8.4
     Second 11.5 13.0 12.4 12.3 10.4 9.3 9.1 9.6 8.1 8.4 7.8 7.8
     Third 11.8 10.0 9.8 9.8 10.9 9.9 11.1 10.8 11.2 8.5 10.9 9.8
     Fourth+ 12.3 11.8 13.2 12.9 15.6 12.8 12.1 8.9 9.3 9.8 10.5 11.5
                         
Marital status                        
     Married 8.5 7.8 7.2 6.8 6.1 6.4 6.5 6.4 5.9 5.9 6.2 6.4
     Unmarried 13.2 14.1 15.1 16.0 16.5 14.5 13.9 12.7 12.4 11.7 12.5 11.9
                         
Trimester prenatal care began                        
     First trimester 10.3 10.0 9.5 9.3 9.3 8.9 8.9 8.7 8.2 8.1 7.9 7.5
     After first trimester 8.3 8.2 10.2 10.9 10.8 9.1 8.1 7.2 7.5 8.1 11.1 11.6
         Second trimester 8.2 8.4 11.2 11.8 10.0 7.2 6.5 6.9 8.2 9.0 11.5 11.0
         Third trimester * * * * * * * * * * * *
     No care * 43.2 45.9 51.5 45.8 46.4 51.2 * * * * *
                         
Prenatal care index1                        
     Adequate Plus 16.0 14.8 16.5 16.0 15.1 11.6 12.1 12.4 11.0 10.4 10.4 10.9
     Adequate 5.1 5.3 5.8 5.9 5.9 5.3 5.2 4.7 4.4 5.2 5.8 4.8
     Intermediate 10.1 10.9 8.7 7.7 8.1 * * * * * * *
     Inadequate 10.0 8.5 10.2 10.4 12.1 11.0 9.9 7.4 * * 9.4 10.9
     No care * 43.2 45.9 51.5 45.8 46.4 51.2 * * * * *
                         
Maternal smoking                        
     Smoking 11.7 12.8 13.6 15.5 15.9 14.0 12.4 11.8 11.7 11.5 11.2 12.0
     Non-smoking 9.9 9.8 9.9 9.8 9.7 9.3 9.4 8.9 8.5 8.2 8.9 8.5
1Based on APNCU Index (Kotelchuck, M., Am J Public Health 1994;84:1414-1420).
Source: Indiana State Department of Health, Epidemiology Resource Center