d STB-49 sbe27. Assessing confounding effects in epidemiological studies. d STB insert by Zhiqiang Wang, d Menzies School of Health Research, Darwin, Australia d Support: wang@@menzies.su.edu.au d After installation, see help ^epiconf^. f sbe27/conf.dta f sbe27/epiconf.ado f sbe27/epiconf.hlp