NCHS: Health Statistics Data 1999-2004
In mdbeckman/dcData: Data Sets Accompanying DataComputing eBook

NCHS	R Documentation

Health Statistics Data 1999-2004

Description

These are survey data collected by the US National Center for Health Statistics (NCHS). Each year, approximately 5,000 individuals are interviewed in their homes. The data cover 1999-2004.

Note that the NHANES package provides data from 2009-2012, including more health, life-style, and socio-economic variables

Usage

data("NCHS")

Format

A data frame with 31126 observations on the following 31 variables:

sex: "male" or "female"
age: years
pregnant: yes" or "no"
ethnicity: Mexican American, Other Hispanic, Non-Hispanic White, Non-Hispanic Black, or Other/Multi
death: "alive", "cardiovascular death" or "other death"
followup: months of follow up (for mortality data)
smoker: "yes" or "no"
diabetic: "yes" or "no"
height: in meters
weight: in kilograms
waist: waist circumference (meters)
wci: the proposed body shape index
bmi: body mass index
ptfat: percent trunk fat
tfat: mass of trunk fat
lfat: limb fat
llean: limb lean tissue
lbmi: lean-tissue only BMI
fbmi: fat-only BMI
bbmi: bone BMI
pfat: percent fat
bmd: bone mineral density
fmhm_other: Framingham risk score
hdl: HDL cholesterol
chol: cholesterol (presumably, LDL)
bps: systolic blood pressure, mmHg
bpd: diastolic blood pressure, mmHg
income: ratio of family income to poverty threshold. 5 indicates a ratio greater than or equal to 5
pop_weight: population weight, for adding up over the US population
psu: primary sampling unit
stratum: sampling stratum