Table 33. Infant mortality rates by selected characteristics
among whites: Lake County, Indiana, 1990-1994 and 1999-2003 linked files
|
Rate per 1,000
live births1 |
Percent change |
Characteristics |
1990-1994 |
1999-2003 |
1990-1994 to 1999-2003 |
|
|
|
|
|
Total |
8.3 |
6.6 |
-21.0 |
|
|
|
|
|
|
Sex |
|
|
|
|
Male |
10.1 |
8.0 |
-21.0 |
** |
Female |
6.3 |
5.0 |
-21.7 |
** |
|
|
|
|
|
Plurality |
|
|
|
|
Single births |
7.8 |
6.0 |
-22.6 |
|
Multiple births |
* |
* |
--- |
|
|
|
|
|
|
Birth weight |
|
|
|
|
Less than 2,500 grams |
88.1 |
54.1 |
-38.6 |
|
Less than 1,500 grams |
347.3 |
249.1 |
-28.3 |
** |
1,500-2,499 grams |
32.1 |
* |
--- |
|
2,500 grams or more |
3.2 |
2.6 |
-18.8 |
** |
|
|
|
|
|
Gestational age |
|
|
|
|
Less than 37 weeks |
49.9 |
35.1 |
-29.6 |
|
Less than 32 weeks |
216.3 |
175.8 |
-18.7 |
** |
32-36 weeks |
16.1 |
8.4 |
-48.0 |
** |
37 weeks or more |
3.5 |
2.6 |
-27.3 |
** |
|
|
|
|
|
Age of mother |
|
|
|
|
Under 20 years |
11.3 |
* |
--- |
|
Under 18 years |
* |
* |
--- |
|
18-19 years |
* |
* |
--- |
|
20 years and over |
7.9 |
6.4 |
-19.6 |
** |
20-24 years |
9.1 |
6.5 |
-28.3 |
** |
25-29 years |
6.7 |
7.1 |
5.5 |
** |
30-34 years |
6.8 |
5.9 |
-13.8 |
** |
35 years and over |
11.7 |
* |
--- |
|
|
|
|
|
|
Age/Education, years |
|
|
|
|
<20, less than appropriate for age |
* |
* |
--- |
|
<20, appropriate for age |
10.0 |
* |
--- |
|
20+, <12 years of education |
11.4 |
7.0 |
-38.3 |
** |
20+, 12 years of education |
8.3 |
8.3 |
-0.6 |
** |
20+, 13+ years of education |
6.5 |
4.8 |
-26.3 |
** |
|
|
|
|
|
Educational attainment |
|
|
|
|
Less than 12 years |
11.5 |
7.8 |
-32.2 |
** |
0-8 years |
* |
* |
--- |
|
9-11 years |
8.5 |
8.5 |
0.0 |
** |
12 years |
8.5 |
7.8 |
-8.0 |
** |
More than 12 years |
6.4 |
5.0 |
-22.1 |
** |
13-15 years |
5.3 |
4.8 |
-10.1 |
** |
16 years and over |
8.0 |
5.2 |
-34.9 |
** |
|
|
|
|
|
Live-birth order |
|
|
|
|
First |
6.4 |
6.3 |
-1.3 |
** |
Second |
9.0 |
6.0 |
-33.6 |
** |
Third |
9.5 |
7.1 |
-25.3 |
** |
Fourth+ |
11.4 |
* |
--- |
|
|
|
|
|
|
Marital status |
|
|
|
|
Married |
6.9 |
5.4 |
-21.1 |
** |
Unmarried |
12.3 |
8.8 |
-28.6 |
** |
|
|
|
|
|
Trimester prenatal care began |
|
|
|
|
First trimester |
7.5 |
5.6 |
-24.5 |
|
After first trimester |
7.8 |
6.2 |
-20.8 |
** |
Second trimester |
7.7 |
* |
--- |
** |
Third trimester |
* |
* |
--- |
|
No care |
* |
* |
--- |
|
|
|
|
|
|
Prenatal care index2 |
|
|
|
|
Adequate Plus |
12.9 |
7.6 |
-41.5 |
|
Adequate |
3.9 |
4.2 |
6.9 |
** |
Intermediate |
* |
* |
--- |
|
Inadequate |
9.3 |
* |
--- |
|
No care |
* |
* |
--- |
|
|
|
|
|
|
Maternal smoking |
|
|
|
|
Smoking |
10.9 |
8.9 |
-18.3 |
** |
Non-smoking |
7.2 |
6.1 |
-16.0 |
** |
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-3 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 |
|