use "/Users/dave/UCSF/Projects/Teaching/Teaching 12/Lecture 9/lee data.dta", replace
keep if cvgroup==1
version 11.2
stepwise,  pr(.05): logistic died toilet bath dress eat bed phone money (i.meds) shop  meals walkr chair  stoop  push dime reach map lift  walkjog  vigact climb hr* gender  smoke couple bmicat (i.education)