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9 .1 PASi1VC SIqN1PG IN PcFAW4'tAa.<br />
The infe:eetion eolleeted thm~yh t~l! itee6 aGrked wyth an<br />
asterisk ir. paues 168 aId l09 of 7 ;Qeidix A'es the basis o^ `mich to<br />
estlsete eq.more irn the ruHiplaoe . This variable was created in<br />
nactly ire ssme nwmer as hanehold esEemue . 9nt is. the mnEer ef<br />
years tl,e atudy suoj+sc wrked in a lwrttcvlar place ys nultiplied<br />
by the eoi6er of sool-ers rie «orked in the same roon or arus. 2his<br />
was dme for the 12 anet recent jobs ud added ov.-c to ahtain a single<br />
rms:rmer:c of exposure . ?fie uMts of expcs,¢e . .as rell as hometnld<br />
vpnare, are eqaeseed in person/yeezsi aM their inte[laetation<br />
shwld also be similar : a smi~j• of epowue tot esch stdy subjee_<br />
to svakers in the %orlplaee ouer oerrtln period of tLse .<br />
9 .4 PASSIVE 9T71QNG IN 90CD1L CllaGIbT11NCs=, .<br />
Page No 173 in pppendi x A ahors the i tmr asked durinq th e<br />
interview in order to estimete ewposuce to secmdary sroke in social<br />
ctrasrtwKns .<br />
'Riee itmnt .ete iirceMed tc ml3eet iafarnetieo m J<br />
aspec.s of aynsum The ilLSC is the type of social acivitin .fiich<br />
are cmdncive to ex?Owre to psssivt smdLleg : secmdly, the frefi.rny<br />
vi`,.h rhieh fldi activities were carried ow' : alY1 tP1:Lly , t he stages<br />
in life (10 year ir.tervslsl in<br />
%hic h such ael vi<br />
ties were carrie d out<br />
• •Rie infernetion cahueyed by these<br />
n_1 _hat par-.icvlar f„eqoency .<br />
-_!e asoees o : +JGASYe •.e4 slrTeri^2 3 in a s ingle :idex<br />
chat uoee<br />
http://legacy.library.ucsf.edu/tid/dsk94c00/pdf<br />
e<br />
-„-<br />
fmn :ero to a rtvximan value of 96 . ',ftta indes is cbtainml by adiinq<br />
the infornetiun ooded in item+ 166-Z00M lbr further details cn the<br />
eestion of the iidot of eqmure the reed'r aet refer to the<br />
AppmdiX. 'CYreo bo[h the list of the att_`vities Lfcloded md the ,ay<br />
in Mudi the infomation w entered is self-eWlanetcry .<br />
10 tvmfIA1Ly CRaqRIDQ1G VANIAgt}.;.,<br />
Lupectim of the data sloed that .ases and coritznls uere<br />
diflerent vith ieqerd to vuiables `hitlh vere trelieved to affeci timg<br />
canos risk . It w dedded thet thM~e should 6e cauiMsed in the<br />
analysis as pn[wnlal Cmfouders. It .wre arre . M~ar, that the<br />
infonetian availa6le +.s rct of umforn quality aaass veriables .<br />
`neress infot21stian M sociodeMmraphie variablea was iiloely to be<br />
highly reliable . the infomatioe pertalni.q to drsycol and/or<br />
ott.uretional esposures - ail ebtaired on a s .lf-repoctad Esats -~as<br />
rot deemd so. 7tw . re nrried eot the adjtreme~t fa oonfoondirty<br />
var iables ln tro steps. 1he first, NLLd h ve call 'psctial'<br />
ad7osrnawt . ierluled oely those variaCles for whieh ,+e hsd •hud•<br />
intotrtntim . Such variables were RPLI(;tON ICathplio ~a Oflrr) .<br />
[KI7ME. N1RPW. s1a1CS Isingle verw ot'ri) . . !rd 42Bf7t ot' CIOVV.PItS<br />
sf10J/u9Y aeorq the fornrt smkers . In the secvM step tw<br />
veriables .eze added in order to orry oot a'full' dj,naeaot .<br />
otlrr<br />
'Ifine<br />
ver :abiea .en : en os,¢e to any of h C4HICJ,IS (never versLLS ever<br />
eqrasurel liated in itans t02-218 in paqe 176 of Appe,dix A , ard<br />
~ n to •R.`L . rt'SI OR RKIATILli CN l1E J®' Isee page 169 io
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