Table 32. Infant mortality rates by selected characteristics
among all races: 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 |
10.8 |
8.9 |
-17.8 |
|
| |
|
|
|
|
| Sex |
|
|
|
|
| Male |
12.8 |
10.6 |
-17.3 |
|
| Female |
8.6 |
6.9 |
-20.3 |
** |
| |
|
|
|
|
| Plurality |
|
|
|
|
| Single births |
10.0 |
8.0 |
-20.1 |
|
| Multiple births |
38.9 |
33.0 |
-15.1 |
** |
| |
|
|
|
|
| Birth weight |
|
|
|
|
| Less than 2,500 grams |
87.2 |
59.5 |
-31.8 |
|
| Less than 1,500 grams |
318.8 |
233.7 |
-26.7 |
|
| 1,500-2,499 grams |
30.2 |
16.2 |
-46.2 |
|
| 2,500 grams or more |
3.8 |
3.4 |
-10.6 |
** |
| |
|
|
|
|
| Gestational age |
|
|
|
|
| Less than 37 weeks |
55.1 |
39.7 |
-28.0 |
|
| Less than 32 weeks |
205.2 |
170.9 |
-16.7 |
** |
| 32-36 weeks |
16.1 |
9.5 |
-40.9 |
** |
| 37 weeks or more |
4.1 |
3.6 |
-11.3 |
** |
| |
|
|
|
|
| Age of mother |
|
|
|
|
| Under 20 years |
13.0 |
10.5 |
-19.1 |
** |
| Under 18 years |
13.8 |
* |
--- |
|
| 18-19 years |
12.5 |
10.2 |
-18.6 |
** |
| 20 years and over |
10.3 |
8.6 |
-17.2 |
|
| 20-24 years |
11.6 |
9.0 |
-21.7 |
** |
| 25-29 years |
9.9 |
8.6 |
-13.1 |
** |
| 30-34 years |
8.4 |
7.6 |
-9.5 |
** |
| 35 years and over |
12.5 |
9.0 |
-27.9 |
** |
| |
|
|
|
|
| Age/Education, years |
|
|
|
|
| <20, less than appropriate for age |
* |
* |
--- |
|
| <20, appropriate for age |
12.5 |
11.3 |
-9.4 |
** |
| 20+, <12 years of education |
13.3 |
9.1 |
-31.7 |
** |
| 20+, 12 years of education |
10.2 |
11.3 |
10.8 |
** |
| 20+, 13+ years of education |
9.6 |
6.4 |
-33.4 |
|
| |
|
|
|
|
| Educational attainment |
|
|
|
|
| Less than 12 years |
12.8 |
10.3 |
-19.2 |
** |
| 0-8 years |
26.7 |
* |
--- |
|
| 9-11 years |
10.9 |
11.2 |
2.5 |
** |
| 12 years |
10.6 |
10.6 |
0.1 |
** |
| More than 12 years |
9.7 |
6.6 |
-31.7 |
|
| 13-15 years |
9.5 |
7.1 |
-24.9 |
** |
| 16 years and over |
10.1 |
5.8 |
-42.5 |
|
| |
|
|
|
|
| Live-birth order |
|
|
|
|
| First |
9.0 |
8.5 |
-4.8 |
** |
| Second |
12.4 |
7.7 |
-37.4 |
|
| Third |
10.7 |
9.6 |
-9.9 |
** |
| Fourth+ |
12.6 |
10.3 |
-17.7 |
** |
| |
|
|
|
|
| Marital status |
|
|
|
|
| Married |
8.0 |
6.0 |
-24.3 |
|
| Unmarried |
14.5 |
11.8 |
-18.2 |
|
| |
|
|
|
|
| Trimester prenatal care began |
|
|
|
|
| First trimester |
10.0 |
7.7 |
-22.8 |
|
| After first trimester |
9.3 |
9.9 |
6.4 |
** |
| Second trimester |
9.9 |
10.0 |
1.5 |
** |
| Third trimester |
* |
* |
--- |
|
| No care |
43.5 |
* |
--- |
|
| |
|
|
|
|
| Prenatal care index2 |
|
|
|
|
| Adequate Plus |
16.8 |
10.4 |
-37.7 |
|
| Adequate |
5.6 |
4.7 |
-16.6 |
** |
| Intermediate |
9.3 |
5.5 |
-40.5 |
** |
| Inadequate |
10.2 |
8.7 |
-15.0 |
** |
| No care |
43.5 |
* |
--- |
|
| |
|
|
|
|
| Maternal smoking |
|
|
|
|
| Smoking |
12.7 |
11.6 |
-8.8 |
** |
| Non-smoking |
10.1 |
8.4 |
-16.9 |
|
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-2 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 |
|