Let's get serious. Is there a twin control study for smoking and lung cancer?
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Yes, a few. All yield non-conclusive results due to low power.
Not true. Every one was in the expected direction and some were fairly high powered. In addition, STR has more data now.
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Soooo, RCTs for stopping smoking produce inconsistent results with MZ control which are consistent with all other literature.
Thanks. Twitter will use this to make your timeline better. UndoUndo
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With MZ controls, inconclusive = anything other than a clear negative result. As for one with high power, can I have a link?
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http://ije.oxfordjournals.org/content/25/3/554.full.pdf+html … Since much more data is now available at STR, could use that for higher power. But data are clear already
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Very high power at NAS-NRC Twin Registry, but expensive to get data. STR requires PHD + Swedish collaborator + fee.
End of conversation
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