* the next command ensures that newer versions of Stata can run the program
version 9.0

tempfile surgery

insheet using http://staff.pubhealth.ku.dk/~linearpredictors/datafiles/Surgery.csv, delimiter(";")

label variable surgtype "Type of Surgery"
label variable blocking "Blocking agent"
label variable longact "Long acting drug"

label define surgtypelabel 1 "Orthopedic" 2 "Gynecological" 3 "Abdominal"
label define blockinglabel 1 "Pancuronium" 2 "Vecuronium" 3 "Atracurium"
label define longactlabel 0 "No" 1 "Yes"

label values surgtype surgtypelabel
label values blocking blockinglabel
label values longact longactlabel