MBR {synthACS}

Multiple Birth Rate data by year and race of mother

Description

A dataset containing multiple birth rate data by race of the mother. Data for all races is provided for 1980-2014 and for individual races from 1990-2014.

Usage

MBR

Format

A data.frame with 110 observations and 8 variables.

year

The year for which data was was recorded.

race

The racial group of the mothers. One of all all races; white non-hispanic whites; black_aa non Hispanic black / African-American; hisp_lat Hispanic.

births

Total births for the year and racial group in the United States.

twin_births

Total twin births for the year and racial group in the United States.

triplet_more_births

Total triplet or higher order births for the year and racial group in the United States.

MBRate

The number of live births in all multiple deliveries per 1,000 live births.

twinBR

The number of live births in all twin deliveries per 1,000 live births.

twinBR

The number of live births in all triplet or higher order deliveries per 100,000 live births.

Details

• Data for race cateogry "all" includes races other than white and black and origin not stated.

• Race and Hispanic origin are reported separately on birth certificates. Persons of Hispanic origin may be of any race.

Source

https://www.cdc.gov/nchs/nvss/births.htm

References

Hamilton, Brady E., et al. "Births: final data for 2014." National Vital Statistics Reports 64.12 (2015): 1-64.