Format
A data frame with 73 rows and the following 5 variables.
- age
- a numeric vector; age (years).
- nolnor
- a numeric vector of counts; no pain on LHS or RHS.
- nolr
- a numeric vector of counts; no pain on LHS but pain on RHS.
- lnor
- a numeric vector of counts; no pain on RHS but pain on LHS.
- lr
- a numeric vector of counts; pain on LHS and RHS of chest.
Source
MacMahon, S., Norton, R., Jackson, R., Mackie, M. J.,
Cheng, A., Vander Hoorn, S., Milne, A., McCulloch, A. (1995)
Fletcher Challenge-University of Auckland Heart &
Health Study: design and baseline findings.
New Zealand Medical Journal,
108, 499--502.