yrbs: One variable from the Youth Risk Behaviors Survey, 2015.

yrbsR Documentation

One variable from the Youth Risk Behaviors Survey, 2015.

Description

Design information from the Youth Risk Behaviors Survey (YRBS), together with the single variable ‘Never/Rarely wore bike helmet’. Used as an analysis example by CDC.

Usage

data("yrbs")

Format

A data frame with 15624 observations on the following 4 variables.

weight

sampling weights

stratum

sampling strata

psu

primary sampling units

qn8

1=Yes, 2=No

Source

https://ftp.cdc.gov/pub/Data/YRBS/2015smy/ for files

References

Centers for Disease Control and Prevention (2016) Software for Analysis of YRBS Data. [CRAN doesn't believe the URL is valid]

Examples

data(yrbs)

yrbs_design <- svydesign(id=~psu, weight=~weight, strata=~stratum,
data=yrbs)
yrbs_design <- update(yrbs_design, qn8yes=2-qn8)

ci <- svyciprop(~qn8yes, yrbs_design, na.rm=TRUE, method="xlogit")
ci

## to print more digits: matches SUDAAN and SPSS exactly, per table 3 of reference
coef(ci)
SE(ci)
attr(ci,"ci")

survey documentation built on May 29, 2024, 12:05 p.m.