nhanes2007 {svydiags}

National Health and Nutrition Examination Survey data, 2007-2008

Description

Demographic and dietary intake variables from a U.S. national household survey

Usage

data(nhanes2007)

Format

A data frame with 4,329 person-level observations on the following 26 variables measuring 24-hour dietary recall. See https://wwwn.cdc.gov/nchs/nhanes/2013-2014/DR2IFF_H.htm for more details about the variables.

SEQN

Identification variable

SDMVSTRA

Stratum

SDMVPSU

Primary sampling unit, numbered within each stratum (1,2)

WTDRD1

Dietary day 1 sample weight

GENDER

Gender (0 = female; 1 = male)

RIDAGEYR

Age in years at the time of the screening interview; reported for survey participants between the ages of 1 and 79 years of age. All responses of participants aged 80 years and older are coded as 80.

RIDRETH1

Race/Hispanic origin (1 = Mexican American; 2 = Other Hispanic; 3 = Non-Hispanic White; 4 = Non-Hispanic Black; 5 = Other Race including multiracial)

BMXWT

Body weight (kg)

BMXBMI

Body mass Index ((weight in kg) / (height in meters)**2)

DIET

On any diet (0 = No; 1 = Yes)

CALDIET

On a low-calorie diet (0 = No; 1 = Yes)

FATDIET

On a low-fat diet (0 = No; 1 = Yes)

CARBDIET

On a low-carbohydrate diet (0 = No; 1 = Yes)

DR1DRSTZ

Dietary recall status that indicates quality and completeness of survey participant's response to dietary recall section. (1 = Reliable and met the minimum criteria; 2 = Not reliable or not met the minimum criteria; 4 = Reported consuming breast-milk (infants and children only))

DR1TKCAL

Energy (kcal)

DR1TPROT

Protein (gm)

DR1TCARB

Carbohydrate (gm)

DR1TSUGR

Total sugars (gm)

DR1TFIBE

Dietary fiber (gm)

DR1TTFAT

Total fat (gm)

DR1TSFAT

Total saturated fatty acids (gm)

DR1TMFAT

Total monounsaturated fatty acids (gm)

DR1TPFAT

Total polyunsaturated fatty acids (gm)

DR1TCAFF

Caffeine (mg)

DR1TALCO

Alcohol (gm)

DR1_320Z

Total plain water drank yesterday (gm)

Details

The National Health and Nutrition Examination Survey (NHANES) is a program of studies designed to assess the health and nutritional status of adults and children in the United States. The survey is unique in that it combines interviews and physical examinations. The nhis2007 data set contains observations for 4,329 persons collected in 2007-2008.

Source

National Health and Nutrition Examination Survey of 2007-2008 conducted by the U.S. National Center for Health Statistics. https://www.cdc.gov/nchs/nhanes.htm

Examples

data(nhanes2007)
str(nhanes2007)
summary(nhanes2007)