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Disparities Data Details MICH-9.1 by Age Group for 2007

Disparities Details by Age Group for 2007
MICH-9.1 : Total preterm live births (percent, <37 weeks gestation)
This chart compares rates by population.

2020 Baseline (year): 10.4 (2007)
2020 Target: 9.4 1, 3
Desired Direction: ↓ Decrease Desired
Data Source: National Vital Statistics System-Natality (NVSS-N), CDC/NCHS
Error Bar (I) represents the 95% confidence interval.
Additional footnotes may apply to these data. Please refer to footnotes below the data table for further information.
See also Disparities Overview by Age Group for MICH-9.1

MICH-9.1 Reduce total preterm births

Total preterm live births (percent, <37 weeks gestation)

2020 Baseline (year): 10.4 (2007)
2020 Target: 9.4 1, 3
Desired Direction: ↓ Decrease Desired
Age Group 2007 2 Disparity
25-29 years 9.7
CI 9.7/9.8
SE 0.027
÷ 1.000
Best rate
20-24 years 10.1
CI 10.0/10.1
SE 0.029
÷ 1.032
CI
1.000/ 1.039
30-34 years 10.3
CI 10.2/10.3
SE 0.031
÷ 1.053
CI
1.000/ 1.060
15-19 years 11.0
CI 10.9/11.0
SE 0.047
÷ 1.124
CI
1.000/ 1.133
35 years and over 12.3
CI 12.3/12.4
SE 0.042
÷ 1.265
CI
1.000/ 1.275
<15 years 15.1
CI 14.2/16.0
SE 0.457
÷ 1.550
CI
1.000/ 1.629
Average group rate excluding best group rate 11.7
...
SE 0.232
÷ 1.205
CI 1.000/ 1.245

2 Baseline has been revised. See Data Details for more information.

Data are subject to revision and may have changed since a previous release.

Unless noted otherwise, any age-adjusted data are adjusted using the year 2000 standard population.

Data are not available or not collected for populations not shown.

CI: 95% confidence interval.

Summary measures of health disparities by Age Group — 2007
  • The best group rate for this objective, 9.7%, was attained by mothers aged 25-29 years.
  • The worst group rate for this objective, 15.1%, was attained by mothers aged <15 years.
  • The absolute difference (or range) between the best and worst group rates was 5.4 percentage points.
  • The worst group rate was 1.550 times the best group rate.
  • The average rate for all other age groups (excluding the best), 11.7%, was 1.205 times the best group rate.
Detailed measures of health disparities by Age Group — 2007

Mothers aged 25-29 years achieved the best group rate for this objective, 9.7%.

  • The rate among mothers aged 20-24 years was <1.1 times the best group rate.
  • The rate among mothers aged 30-34 years was <1.1 times the best group rate.
  • The rate among mothers aged 15-19 years was 1.124 times the best group rate.
  • The rate among mothers aged 35 years and over was 1.265 times the best group rate.
  • The rate among mothers aged <15 years was 1.550 times the best group rate.
FootnotesShow Footnotes