Thc Influence of Health on Smoking Habits E CurLER HAMMOND and LAWRENCE GARFINKEL, Medical Affairs De- Statistical Research Section , partment, American Cancer Society , New York, Inc , ~ New York curious   finding _ emerged Harold from prospective study Ex-cigar and ex-pipe smokers Dorn's FeletaTS However , had higher death rates than current cigar and pipe smokers ex-cigeretto gmokers had lower death rates than current cigarette smnokers prospective Essentially the same findings (see table 1)_ irom the CA[e study by Hammond and Horn The latter authors published death rates of ex-cigerette gmokers in re- they lation to their former amount of smoking end to the time since bad regularly (see table 2) Men who had given up last smoked cigarettes smoking year prior to enrollment in the study had less than cigarotte higher death rates than those currently smoking cigarettes at enrollment: who had stopped gmoking cigarettes year Or On the other hand men longer before eprollment had lower death rates than men smoking ciga- rettes at enrollment, and the death rates decreased with length of time since last smoking: partial explanation of these The  following hypothesis proposed findings is: the habit. Tbus ex-gmokers, Ilness sometimc give Emoker Ieuds ill bealth; aud relatively large proportion persons group, include This effect diminishe: wich death high amoDE perons Uheuit fala hcalth die more eclective mortality, since persons Initially pOOI due - time bealeb. rapidly than pereona initially Eood , study end it had support from This hypothesis seemed rcasonable, If true smokers for stopping the hebit (3)_ of tho reasons given by it is very important in studies of health that relate to gmoking Further- similar problem may in studies of other iactors peronal Areo more, inlluence slcep, such &s weight; diet, exercise and that may heve bealth and also be influenced by state of health For these reasons further investigation havo undertaken Noromber 14, 1013 , 2 #Ight reatdon of & paper presentcd the Hqrold Dom Krmc-M BESOD at the nlnety-Lrat annoal mcolick 0 tbe Amertean Publlo Hcaltb Assoclatlon, Fansas Clly. Mo: 269
Thc Influence of Health on Smoking Habits E CurLER HAMMOND and LAWRENCE GARFINKEL, Statistical Research Section , Medical Affairs De- partment, American Cancer Society , Inc , ~ New York, New York curious   finding _ emerged from Harold Dorn's prospective study FeletaTS Ex-cigar and ex-pipe smokers had higher death rates than current cigar and pipe smokers However , ex-cigeretto gmokers had lower death rates than current cigarette smnokers (see table 1)_ Essentially the same findings CA[e irom the prospective study by Hammond and Horn The latter authors published death rates of ex-cigerette gmokers in re- lation to their former amount of smoking end to the time since they bad last smoked cigarettes regularly (see table 2) Men who had given up cigarotte smoking less than year prior to enrollment in the study had higher death rates than those currently smoking cigarettes at enrollment: On the other hand men who had stopped gmoking cigarettes year Or longer before eprollment had lower death rates than men smoking ciga- rettes at enrollment, and the death rates decreased with length of time since last smoking: The  following hypothesis proposed partial explanation of these findings is: Ilness sometimc Ieuds Emoker give the habit. Tbus ex-gmokers, group, include relatively large proportion persons ill bealth; aud death fala high amoDE perons Uheuit This effect diminishe: wich time due - eclective mortality, since persons Initially pOOI hcalth die more rapidly than pereona initially Eood , bealeb. This hypothesis seemed rcasonable, end it had support from study of tho reasons given by smokers for stopping the hebit (3)_ If true it is very important in studies of health that relate to gmoking Further- more, similar problem may Areo in studies of other peronal iactors such &s weight; diet, exercise and slcep, that may heve inlluence bealth and also be influenced by state of health For these reasons havo undertaken further investigation 2 #Ight reatdon of & paper presentcd the Hqrold Dom Krmc-M BESOD Noromber 14, 1013 , at the nlnety-Lrat annoal mcolick 0 tbe Amertean Publlo Hcaltb Assoclatlon, Fansas Clly. Mo: 269