NSFG_data {surveyCV}

Subset of the 2015-2017 National Survey of Family Growth (NSFG): one birth per respondent.

Description

We downloaded this data from the NSFG website and cleaned it following an approach posted to RPubs by Hunter Ratliff.

Usage

NSFG_data

Format

A data frame with 2801 rows and 17 variables:

CASEID

Respondent ID number (per respondent, not per pregnancy)

LBW

(originally LBW1) Low birthweight (TRUE/FALSE) for the 1st baby from this pregnancy

PreMe

(recode of WKSGEST) Whether gestational age was premature (below 37 weeks) or full term

gotPNcare

(recode of BGNPRENA) Whether or not respondent got prenatal care in first trimester (before 13 weeks)

KnowPreg

(recode of KNEWPREG) Whether or not respondent learned she was pregnant by 6 weeks

age

(originally AGECON) Age at time of conception

income

(originally POVERTY) Income as percent of poverty level, so that 100 = income is at the poverty line; topcoded at 500

YrEdu

(originally EDUCAT) Education (number of years of schooling)

race

(originally HISPRACE) Race & Hispanic origin of respondent

BMI

Body Mass Index

PregNum

(originally PREGNUM) Respondent's total number of pregnancies

eduCat

(originally HIEDUC) Highest completed year of school or highest degree received

GA

(originally WKSGEST) Gestational length of completed pregnancy (in weeks)

Wanted

(recode of NEWWANTR) Whether or not pregnancy came at right time according to respondent (rather than too soon, too late, or unwanted)

wgt

(originally WGT2015_2017) Final weight for the 2015-2017 NSFG (at the respondent level, not pregnancy level)

SECU

Randomized version of cluster ID, or "sampling error computational unit" – these are nested within strata

strata

(originally SEST) Randomized version of stratum ID

Details

Note that these data were filtered down to include only:

- live births, - with gestational ages below 45 weeks, - born to mothers who were aged 20-40 years old at time of conception;

...then filtered further down to only the *first* such birth per respondent.

Also note that SECUs = Sampling Error Computation Units are effectively pseudo-PSUs, nested within (pseudo-)strata. See page 35 of the NSFG 2011-2013 sample design documentation for details.

Source

https://www.cdc.gov/nchs/nsfg/nsfg_2015_2017_puf.htm

https://rpubs.com/HunterRatliff1/NSFG_Wrangle

https://www.cdc.gov/nchs/data/nsfg/nsfg_2011_2013_sampledesign.pdf