Indiana Infant Mortality Report
1990 - 2003

Table C-2. Live births and infant deaths by selected characteristics among all races: Lake County, Indiana, 1990-2003 linked files
Characteristics 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003

Live births
Total 7,523 7,689 7,590 7,481 7,313 7,329 7,126 6,903 7,134 7,073 7,040 6,936 6,824 6,926
                             
Sex                            
     Male 3,905 3,961 3,940 3,885 3,735 3,788 3,622 3,458 3,649 3,580 3,640 3,522 3,502 3,553
     Female 3,618 3,728 3,662 3,596 3,578 3,541 3,504 3,443 3,484 3,493 3,400 3,413 3,321 3,372
     Unknown 0 0 0 0 0 0 0 2 1 0 0 1 1 1
Plurality                            
     Single births 7,324 7,492 7,408 7,303 7,101 7,114 6,952 6,705 6,901 6,837 6,810 6,708 6,590 6,672
     Multiple births 197 196 194 178 212 215 174 198 233 236 230 227 234 254
     Unknown 2 1 0 0 0 0 0 0 0 0 0 1 0 0
Birth weight                            
     Less than 2,500 grams 588 605 627 592 603 652 628 577 635 641 631 599 566 637
         Less than 1,500 grams 115 116 125 124 116 116 126 128 132 114 122 139 112 125
         1,500-2,499 grams 473 489 502 468 487 536 502 449 503 527 509 460 454 512
     2,500 grams or more 6,926 7,077 6,968 6,885 6,698 6,652 6,437 6,276 6,461 6,402 6,365 6,298 6,222 6,267
     Unknown 9 7 7 4 12 25 61 50 38 30 44 39 36 22
Gestational age                            
     Less than 37 weeks 989 922 1,006 968 965 997 909 881 948 966 964 1,007 994 1,113
         Less than 32 weeks 186 197 216 199 201 198 201 196 191 177 192 203 186 184
         32-36 weeks 803 725 790 769 764 799 708 685 757 789 772 804 808 929
     37 weeks or more 6,528 6,755 6,593 6,508 6,347 6,329 6,215 6,022 6,185 6,104 6,076 5,927 5,829 5,812
     Unknown 6 12 3 5 1 3 2 0 1 3 0 2 1 1
Age of mother                            
     Under 20 years 1,175 1196 1,238 1,240 1,290 1,296 1,220 1,118 1,169 1,036 1,007 878 818 812
         Under 18 years 469 469 479 520 527 504 473 451 418 359 317 287 281 261
         18-19 years 706 729 759 720 763 792 747 667 751 677 690 591 537 551
     20 years and over 6,323 6487 6,362 6,240 6,023 6,033 5,903 5,784 5,963 6,035 6033 6,058 6,004 6,112
         20-24 years 2,054 2217 2,189 2,045 2,057 2,044 2,016 1,943 1,993 2,034 2,087 2,080 2,006 1,960
         25-29 years 2,246 2122 2,079 2,017 1,977 1,872 1,781 1,825 1,933 1,919 1,876 1,925 1,875 1,974
         30-34 years 1,464 1,552 1,496 1,536 1,353 1,373 1,404 1,330 1,299 1,366 1,314 1,328 1,390 1,459
         35 years and over 559 596 598 642 636 744 702 686 738 716 756 725 733 719
     Unknown 25 4 2 1 0 0 3 1 2 2 0 0 2 2
Age/Education                            
    <20, less than appropriate 218 214 247 232 243 251 262 223 273 233 222 219 199 206
    <20, appropriate 947 978 990 998 1,043 1,038 951 887 890 795 777 652 616 602
    20+, <12 years of education 754 805 836 781 727 710 739 738 732 770 819 853 894 950
    20+, 12 years of education 2,977 3,004 2,832 2,766 2,519 2,455 2,310 2,203 2,153 2,178 2,080 2,020 1,965 1,920
    20+, 13+ years of education 2,565 2,657 2,681 2,669 2,749 2,842 2,824 2,806 3,043 3,038 3,098 3,155 3,112 3,212
    Unknown 62 31 16 35 32 33 40 46 43 59 44 37 38 36
Educational attainment                            
     Less than 12 years 1,452 1,519 1,594 1,564 1,537 1,496 1,507 1,423 1,457 1,388 1,386 1,384 1,378 1,432
         0-8 years 161 153 185 193 206 182 175 174 173 178 181 169 217 247
         9-11 years 1,291 1,366 1,409 1,371 1,331 1,314 1,332 1,249 1,284 1,210 1,205 1,215 1,161 1,185
     12 years 3,381 3,411 3,241 3,149 2,934 2,876 2,680 2,554 2,517 2,518 2,437 2,298 2,223 2,193
     More than 12 years 2,652 2,732 2,753 2,734 2,810 2,924 2,901 2,881 3,118 3,110 3,173 3,217 3,187 3,267
         13-15 years 1,754 1,829 1,860 1,758 1,838 1,938 1,890 1,794 2,053 1,981 2,022 2,011 1,930 1,999
         16 years and over 898 903 893 976 972 986 1,011 1,087 1,065 1,129 1,151 1,206 1,257 1,268
     Unknown 38 27 14 34 32 33 38 45 42 57 44 37 36 34
Live-birth order                            
     First 2,927 3,079 2,922 2,892 2,890 2,920 2,824 2,659 2,663 2,604 2,549 2,532 2,447 2,395
     Second 2,367 2,292 2,392 2,326 2,272 2,297 2,254 2,110 2,219 2,154 2,184 2,202 2,118 2,197
     Third 1,328 1,347 1,316 1,325 1,240 1,229 1,195 1,216 1,282 1,290 1,271 1,193 1,285 1,301
     Fourth+ 872 938 953 900 877 856 832 895 927 975 1,002 988 957 1,013
     Unknown 29 33 19 38 34 27 21 23 43 50 34 21 17 20
Marital status                            
     Married 4,560 4,548 4,308 4,174 3,956 3,955 3,820 3,712 3,750 3,705 3,636 3,655 3,481 3,565
     Unmarried 2,958 3,135 3,293 3,307 3,354 3,373 3,303 3,190 3,380 3,368 3,402 3,280 3,342 3,359
     Unknown 5 6 1 0 3 1 3 1 4 0 2 1 1 2
Trimester prenatal care began                            
     First trimester 5,582 5,751 5,808 5,694 5,601 5,723 5,317 5,168 5,284 5,353 5,416 5,402 5,334 5,439
     After first trimester 1,711 1,717 1,636 1,549 1,414 1,335 1,505 1,434 1,514 1,383 1,347 1,219 1,227 1,259
         Second trimester 1,451 1,430 1,412 1,314 1,192 1,145 1,258 1,211 1,250 1,153 1,155 1,023 1,034 1,034
         Third trimester 260 287 224 235 222 190 247 223 264 230 192 196 193 225
     No care 129 171 132 160 166 140 153 138 158 123 115 114 103 83
     Unknown 101 50 26 78 132 131 151 163 178 214 162 201 160 145
Prenatal care index1                            
     Adequate Plus 1,824 1,898 2,135 2,251 2,206 2,169 1,990 1,854 2,124 2,298 2,313 2,291 2,199 2,289
     Adequate 3,070 3,361 3,242 3,078 2,755 2,782 2,583 2,569 2,498 2,416 2,520 2,583 2,539 2,548
     Intermediate 1,109 988 980 865 903 945 874 921 858 753 757 636 718 756
     Inadequate 1,199 1,155 1,044 987 919 878 1,016 931 977 911 836 732 784 781
     No care 129 171 132 160 166 140 153 138 158 123 115 114 103 83
     Unknown 192 116 69 140 364 415 510 490 519 572 499 580 481 469
Maternal smoking                            
     Smoking 1,908 1,789 1,679 1,544 1,400 1,388 1,291 1,095 1,237 1,145 1,116 1,050 1,048 975
     Non-smoking 5,600 5,877 5,918 5,921 5,887 5,924 5,827 5,796 5,889 5,919 5,913 5,877 5,764 5,944
     Unknown 15 23 5 16 26 17 8 12 8 9 11 9 12 7
Characteristics 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003

Infant deaths
Total 80 84 74 81 86 77 75 64 71 63 58 63 71 53
                             
Sex                            
     Male 52 53 44 48 51 49 40 31 36 41 36 35 38 38
     Female 28 31 30 33 35 28 35 33 34 22 22 27 32 14
     Unknown 0 0 0 0 0 0 0 0 1 0 0 1 1 1
Plurality                            
     Single births 73 75 68 76 75 71 66 61 67 59 55 56 55 44
     Multiple births 7 9 6 5 11 6 9 3 4 4 3 7 16 9
     Unknown 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Birth weight                            
     Less than 2,500 grams 52 50 44 54 63 41 38 33 47 39 30 38 46 30
         Less than 1,500 grams 36 31 33 41 49 31 33 28 42 31 20 33 34 25
         1,500-2,499 grams 16 19 11 13 14 10 5 5 5 8 10 5 12 5
     2,500 grams or more 26 32 28 24 21 29 30 27 22 21 21 23 22 20
     Unknown 2 2 2 3 2 7 7 4 2 3 7 2 3 3
Gestational age                            
     Less than 37 weeks 46 54 46 55 66 44 46 40 48 39 34 40 50 37
         Less than 32 weeks 37 37 32 45 54 36 42 34 42 35 26 36 36 28
         32-36 weeks 9 17 14 10 12 8 4 6 6 4 8 4 14 9
     37 weeks or more 33 30 27 24 20 31 27 24 23 24 24 23 21 16
     Unknown 1 0 1 2 0 2 2 0 0 0 0 0 0 0
Age of mother                            
     Under 20 years 13 17 14 15 21 18 19 16 9 7 11 11 9 10
         Under 18 years 6 9 3 6 10 5 8 6 2 1 6 3 4 3
         18-19 years 7 8 11 9 11 13 11 10 7 6 5 8 5 7
     20 years and over 67 67 60 66 65 59 56 48 62 55 47 52 62 43
         20-24 years 26 24 19 20 33 25 21 13 27 15 16 19 24 18
         25-29 years 22 25 16 24 16 14 15 18 16 17 15 17 21 12
         30-34 years 13 9 14 15 11 12 13 10 10 18 8 8 11 7
         35 years and over 6 9 11 7 5 8 7 7 9 5 8 8 6 6
     Unknown 0 0 0 0 0 0 0 0 0 1 0 0 0 0
Age/Education                            
    <20, less than appropriate 0 5 4 4 3 1 1 4 3 2 1 2 1 3
    <20, appropriate 12 12 10 10 18 17 18 12 6 5 10 9 8 7
    20+, <12 years of education 12 9 8 10 13 8 13 6 10 7 6 10 8 8
    20+, 12 years of education 30 39 19 24 32 30 22 18 26 31 20 19 32 13
    20+, 13+ years of education 25 19 33 32 19 21 21 23 23 17 21 22 19 21
    Unknown 1 0 0 1 1 0 0 1 3 1 0 1 3 1
Educational attainment                            
     Less than 12 years 18 20 15 20 25 17 23 17 16 12 14 17 13 16
         0-8 years 5 6 4 4 5 1 1 2 0 0 1 2 0 2
         9-11 years 13 14 11 16 20 16 22 15 16 12 13 15 13 14
     12 years 34 45 26 27 39 39 31 21 28 33 21 21 34 15
     More than 12 years 27 19 33 33 21 21 21 25 24 17 23 24 21 21
         13-15 years 16 9 23 21 17 16 14 14 20 11 13 20 14 13
         16 years and over 11 10 10 12 4 5 7 11 4 6 10 4 7 8
     Unknown 1 0 0 1 1 0 0 1 3 1 0 1 3 1
Live-birth order                            
     First 30 23 22 29 28 30 29 26 19 21 24 20 22 20
     Second 22 35 24 32 31 22 18 22 20 20 13 22 16 13
     Third 16 16 15 9 14 14 12 10 19 12 12 8 21 8
     Fourth+ 11 10 13 10 13 11 16 6 10 9 8 12 11 11
     Unknown 1 0 0 1 0 0 0 0 3 1 1 1 1 1
Marital status                            
     Married 46 36 32 34 24 24 24 25 24 22 19 24 24 20
     Unmarried 34 48 42 47 61 53 51 39 47 40 39 39 47 33
     Unknown 0 0 0 0 1 0 0 0 0 1 0 0 0 0
Trimester prenatal care began                            
     First trimester 55 65 56 51 56 51 48 46 47 44 41 46 40 36
     After first trimester 18 10 14 16 17 14 15 10 11 10 11 11 20 12
         Second trimester 16 7 12 16 16 11 9 6 9 10 10 10 17 7
         Third trimester 2 3 2 0 1 3 6 4 2 0 1 1 3 5
     No care 6 6 4 10 7 7 7 6 10 2 2 2 6 0
     Unknown 1 3 0 4 6 5 5 2 3 7 4 4 5 5
Prenatal care index1                            
     Adequate Plus 30 34 30 29 50 27 19 24 29 25 20 27 24 23
     Adequate 17 17 15 19 19 13 16 13 11 11 11 17 16 4
     Intermediate 8 13 10 8 6 7 9 2 8 4 6 3 2 5
     Inadequate 15 9 10 8 12 9 13 9 7 5 5 6 11 8
     No care 6 6 4 10 7 7 7 6 10 2 2 2 6 0
     Unknown 4 5 5 8 12 14 11 10 6 16 14 8 12 13
Maternal smoking                            
     Smoking 21 22 20 22 21 24 20 9 16 16 9 13 14 10
     Non-smoking 58 61 54 58 63 53 55 55 55 47 49 50 57 43
     Unknown 1 1 0 1 2 0 0 0 0 0 0 0 0 0
1Based on APNCU Index (Kotelchuck, M., Am J Public Health 1994;84:1414-1420).
Source: Indiana State Department of Health, Epidemiology Resource Center