IUD trial follow-up data {epicalc} | R Documentation |
This dataset is a subset of WHO IUD trial. It should be merged with IudAdmit and IudDiscontinue
data(IudFollowup)
A data frame containing 4235 observations and 6 variables.
id
a numeric vector for personal identification number
vlmpdate
date of last mentrual period before this visit
vdate
date of visit
f22
lactating
f51
IUD threads visible
f61
subject continuing
data(IudFollowup)