ets exposure, lung cancer - Legacy Tobacco Documents Library
ets exposure, lung cancer - Legacy Tobacco Documents Library
ets exposure, lung cancer - Legacy Tobacco Documents Library
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http://legacy.library.ucsf.edu/tid/wyk81f00/pdf<br />
to subt.cti with wtwt, cotlar woricir>q apousas . Mowever, bcth rasutts<br />
ara subfect to biss because d thw unwwwn csassificat,on of one of tt,e<br />
cases and ttts rttissrV nurnber d p .rson years .<br />
Since tttere was only otte case among tf» 1 .475 ftma}.s who had ever<br />
smoked, k was d#fiauti to assass the lntk*nc* of active smoldng on t1x<br />
overall .#tact of ETS sgxosurra. Th .refon hxtt>.r stratified artiatyses<br />
w.re restncted to ttK 9 .370 never anokinq Iemalss . The results oa<br />
these analys.s ar. presant .d n Table 5 .4 . Somewhat similar resutts are<br />
otuerved as n ihe prwbus analysis and t'he same caveats conceminq<br />
ettect rnodihcauon, bias and sutistrcat sipniflcance aApiy. For the<br />
vanable husband smoked in rnaniaqe, the aqe-adNsted rate ratio was<br />
2 .02 (95'i. C .I. p .48-8 .56) .<br />
An additanal analysis usnq tfK conditional maximum EkeGhood mmator<br />
and an exact method tor spars~ data was pertormed and the nasid! a<br />
compared with the Mantel-Maeruzei estimates in Table 5 .5 . Tnese re"s<br />
have sirrulat pont lstmatas with tM mid probab+ttty exaCt bnornal<br />
confidence intervals beinp somewhat w+du and more conservative .<br />
103
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