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Home » Data Search » Search the Data » MICH-9.1 » Disparities by Age Group » 2017

Disparities Data Details MICH-9.1 by Age Group for 2017

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Disparities Details by Age Group for 2017
MICH-9.1 : Total preterm live births (percent, <37 weeks gestation)
This chart compares rates by population.

Back to Disparities Overview
2020 Baseline (year): 10.4 (2007)
2020 Target: 9.4 1, 3
Desired Direction: ↓ Decrease Desired
2016
2017
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 2017 Disparity
25-29 years 9.3
CI 9.2/9.3
SE 0.027		 ÷ 1.000
Best rate
20-24 years 9.6
CI 9.5/9.6
SE 0.034		 ÷ 1.030
CI
1.000/ 1.037
30-34 years 9.6
CI 9.5/9.6
SE 0.028		 ÷ 1.034
CI
1.000/ 1.041
15-19 years 10.3
CI 10.2/10.4
SE 0.069		 ÷ 1.109
CI
1.000/ 1.122
35 years and over 11.9
CI 11.8/12.0
SE 0.039		 ÷ 1.281
CI
1.000/ 1.290
<15 years 13.2
CI 11.7/14.7
SE 0.775		 ÷ 1.420
CI
1.000/ 1.564
Average group rate excluding best group rate 10.9
...
SE 0.390 		÷ 1.175
CI 1.000/ 1.246

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 — 2017
  • The best group rate for this objective, 9.3%, was attained by mothers aged 25-29 years.
  • The worst group rate for this objective, 13.2%, was attained by mothers aged <15 years.
  • The absolute difference (or range) between the best and worst group rates was 3.9 percentage points.
  • The worst group rate was 1.420 times the best group rate.
  • The average rate for all other age groups (excluding the best), 10.9%, was 1.175 times the best group rate.
Detailed measures of health disparities by Age Group — 2017

Mothers aged 25-29 years achieved the best group rate for this objective, 9.3%.

  • 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 1.109 times the best group rate.
  • The rate among mothers aged 35 years and over was 1.281 times the best group rate.
  • The rate among mothers aged <15 years was 1.420 times the best group rate.
FootnotesShow Footnotes