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Disparities Data Details MICH-9.1 by Age Group for 2016

Disparities Details by Age Group for 2016
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 2016 Disparity
25-29 years 9.1
CI 9.1/9.2
SE 0.027
÷ 1.000
Best rate
20-24 years 9.5
CI 9.4/9.5
SE 0.033
÷ 1.038
CI
1.000/ 1.046
30-34 years 9.5
CI 9.5/9.6
SE 0.028
÷ 1.041
CI
1.000/ 1.049
15-19 years 10.4
CI 10.2/10.5
SE 0.067
÷ 1.135
CI
1.000/ 1.148
35 years and over 11.9
CI 11.8/12.0
SE 0.040
÷ 1.302
CI
1.000/ 1.312
<15 years 13.4
CI 11.9/14.8
SE 0.718
÷ 1.462
CI
1.000/ 1.597
Average group rate excluding best group rate 10.9
...
SE 0.361
÷ 1.196
CI 1.000/ 1.263

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 — 2016
  • The best group rate for this objective, 9.1%, was attained by mothers aged 25-29 years.
  • The worst group rate for this objective, 13.4%, was attained by mothers aged <15 years.
  • The absolute difference (or range) between the best and worst group rates was 4.2 percentage points.
  • The worst group rate was 1.462 times the best group rate.
  • The average rate for all other age groups (excluding the best), 10.9%, was 1.196 times the best group rate.
Detailed measures of health disparities by Age Group — 2016

Mothers aged 25-29 years achieved the best group rate for this objective, 9.1%.

  • 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 1.135 times the best group rate.
  • The rate among mothers aged 35 years and over was 1.302 times the best group rate.
  • The rate among mothers aged <15 years was 1.462 times the best group rate.
FootnotesShow Footnotes