q÷0Lall et al, 2002, Statistical Methods in Medical Research, p. 58 õÖwÔuFn10 Apr 2005 00:48ûûûhstatusheartsmokes%9.0g%8.0g%8.0ghstatusyesnoyesnoHealth Statusogit _est_ologit _est_smoke _est_heart heart2 smoke2Have you had a heart attackit _est_smoke _est_heart heart2 smoke2Do you smoke? heart attackit _est_smoke _est_heart heart2 smoke2Ahstatus$WÞs³Ôwèù{àù{WÞðóÄ ExcellentGoodFairPooryesnos$WÞs³Ôwèù{àù{WÞðóÄNoYes