LogisticDx (version 0.3)

nhanes3: NHANES III data

Description

NHANES III data

Format

A data.frame with \(17030\) observations (rows) and \(16\) variables (columns).

Details

A subset of data from the National Health and Nutrition Examination Study (NHANES) III. Subjects age >=20 are included.

A sample of 39,695 subjects was selected, representing more than 250 million people living in the USA. Data was collected 1988-1994.

49 pseudo strata were created with 2 pseudo-PSU's in each stratum (primary sampling units).

This is a subset of the original dataset.

Columns are:

SEQN

Respondent sequence number.

SDPPSU6

Pseudo-PSU (primary sampling unit).

SDPSTRA6

Pseudo stratum.

WTPFHX6

Statistical weight. Range \(225.93\) to \(139744.9\).

HSAGEIR

Age (years).

HSSEX

Gender (a factor):

0

female

1

male

DMARACER

Race (a factor):

1

white

2

black

3

other

BMPWTLBS

Body weight (lbs).

BMPHTIN

Standing height (inches).

PEPMNK1R

Average Systolic BP.

PEPMNK5R

Average Diastolic BP.

HAR1

Has respondent smoked >100 cigarettes in life (a factor):

1

yes

2

no

HAR3

Does respondent smoke cigarettes now? (a factor):

1

yes

2

no

SMOKE

Smoking (a factor):

1

never (HAR1 = 2)

2

>100 cigs (HAR1 = 1 & HAR3 = 2)

3

current (HAR1 =1 & HAR3 = 1)

TCP

Serum cholesterol (mg/100ml).

a

HBP

High blood pressure? (a factor):

1

yes (PEPMNK1R > 140)

2

no (PEPMNK1R <= 140)

References

H&L 2nd ed. Page 215. Table 6.3.

National Center for Health Statistics (US) and others 1996. NHANES III reference manuals and reports. National Center for Health Statistics. CDC (free)

Examples

# NOT RUN {
## use simpler column names
data("nhanes3", package="LogisticDx")
n1 <- c("ID", "pStrat", "pPSU", "sWt", "age", "sex",
        "race", "bWt", "h", "sysBP", "diasBP", "sm100",
        "smCurr", "smok", "chol", "htn")
names(nhanes3) <- n1

# }