d STB-27 ssa8. Analysis of case-control and prevalence studies. d STB insert by d David Clayton, MRC Biostatistical Research Unit, Cambridge; d Michael Hills, London School of Hygiene and Tropical Medicine, London. d Support: david.clayton@@mrc-bsu.cam.ac.uk and mhills@@lshtm.ac.uk d After installation, see help ^mhodds^ and help ^tabodds^. f ssa8/mhodds.ado f ssa8/mhodds.hlp f ssa8/tabodds.ado f ssa8/tabodds.hlp f ssa8/bdendo.dta f ssa8/bdendo11.dta f ssa8/bdiev.dta