Description Usage Format Source See Also Examples
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.
1 | data("NCHS")
|
A data frame with 31126 observations on the following 31 variables.
sex
"male"
or "female"
age
in 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
height (meters)
weight
weight (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
lean_bmi
lean-tissue only BMI
fat_bmi
fat-only BMI
bone_bmi
bone BMI
pct_fat
percent fat
bmd
bone mineral density
fmhm_other
Framingham risk score
hdl
HDL cholesterol
chol
cholesterol (LDL?)
bps
systolic blood pressure, mmHg
bpd
diastolic blood pressure, mmHg
income
ratio of family income to poverty threshold. 5 is 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
These data were assempled from NCHS/NHANES 1999-2004 sources by Dr. Nir Krakauer at City College of New York.
The NHANES
package available through CRAN.
1 |
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