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Shareware Overload Trio 2
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FILES07.EXE
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MATCHEX.PGM
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1994-08-22
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ECHO This example uses data from a case-control study in which
ECHO cases of Toxic Shock Syndrome were interviewed and asked
ECHO what brand of tampon they used. Up to three controls per
ECHO case, matched by age, were also interviewed. An identification
ECHO number ID was assigned so that each case and the matching
ECHO contols would have the same ID.
ECHO
ECHO Performing the matched analysis in ANALYSIS requires giving
ECHO the MATCH command in the following format:
ECHO
ECHO MATCH <ID> <Disease> <Exposure>
ECHO
ECHO In this study the command is:
ECHO
ECHO MATCH ID CASE RELY
ECHO
?Press Enter to READ the file RELY.REC and perform the above command ?
READ RELY.REC
MATCH ID CASE RELY
ECHO Use the PgUp and PgDn keys to see the result.
?PgUp/PgDn or Enter to continue... ?
ECHO
ECHO
ECHO MATCH actually performs a stratified Mantel-Haenszel analysis.
ECHO Each stratum consists of a single case and its matched controls,
ECHO and the tables are the same as would be produced by
ECHO TABLES CASE RELY ID
ECHO in which ID, the third field specified, is the stratifier.
ECHO Stratifying on the match ID variable basically allows stratifying
ECHO on all the variables used for matching (AGE), without having to use
ECHO these variables individually in the analysis.
ECHO
ECHO Several tables give the numbers of concordant (matching) and
ECHO discordant results within case-control groups.
ECHO
ECHO ?Press Enter to leave ANALYSIS... ?
QUIT