NHANES Variables: Names, Roles, and Descriptions — nhanes

A data frame that describes the elements in nhanes_data. Each row in nhanes_key corresponds to a particular variable in nhanes_data, summarizing that variable's information and what roles the variable can fulfill in the Shiny application.

Usage

nhanes_key

Format

A data frame with 97 rows and 11 variables:

class: The broad class of variables that the current variable belongs to
variable: The name of the variable in nhanes_data
label: A label that is used to describe the variable in tables and figures
source: Which NHANES form did this variable come from?
type: What type of variable this is? ctns indicates continous; catg categorical; intg integer, and bnry binary
outcome: TRUE/FALSE - is this variable allowed to be an outcome?
group: TRUE/FALSE - is this variable allowed to be used for groups?
subset: TRUE/FALSE - is this variable allowed to be used for subsetting?
stratify: TRUE/FALSE - is this variable allowed to be used for stratification?
module: What module does this variable belong to? This is used to subset NHANES data to participants who are included in the given module.
description: A detailed summary of the variable.

Details

Not all variables in nhanes_data are described in nhanes_key. For example, demo_race_black is not described in nhanes_key because it is only used for calibration of survey weights when counts are estimated (i.e., it has no direct use in the shiny application).