Preterm births by race ethnicity in Hawaii

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Definitions: Percent of births that were preterm (less than 37 weeks gestation) by mother's race/ethnicity

Data Source: Citation: Hawaii State Department of Health, Hawaii Health Data Warehouse, Vital Statistics Birth Data.  Number of Live Births by Trimester Prenatal Care Began (2014+) and Mother's Race/Ethnicity (DOH); Live Birth Counts by Mother's Race/Ethnicity (DOH). Hawaii-IBIS http://ibis.hhdw.org/ibisph-view. Accessed on July 30, 2021.

Technical Notes:

Mother's residence birth geographies include babies born in Hawaii to mothers who were residents of Hawaii.

In 2014, the National Center for Health Statistics (NCHS) changed the method of calculating gestational age from date of last menstrual period (LMP) to obstetric estimate (OE). As a result, prenatal care data before 2014 cannot be directly compared to data from 2014 forward.

In accordance with data use restrictions of NCHS, counts of fewer than 9 are suppressed in the source tables. This may affect counts in the "early preterm" for some race/ethnicity categories, and the missing data may result in an inability to calculate rates for certain race/ethnicity categories in certain years. Where possible, multiple year averages were used to estimate missing data and calculate rates. N/R: Not reportable due to suppression of data.