Confounding, interaction, and mediation in multivariable/multivariate ...
Confounding, interaction, and mediation in multivariable/multivariate ...
Confounding, interaction, and mediation in multivariable/multivariate ...
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Mediation<br />
<strong>Confound<strong>in</strong>g</strong><br />
Interaction<br />
Def<strong>in</strong>ition<br />
Determ<strong>in</strong>ation of <strong><strong>in</strong>teraction</strong><br />
Difference from <strong>mediation</strong> <strong>and</strong> confound<strong>in</strong>g<br />
A note<br />
The statistical power to test the significant <strong><strong>in</strong>teraction</strong> is 5-times<br />
lower that to test ma<strong>in</strong> effect. So, p = 0.10 could be considered<br />
significant. Keep <strong>in</strong> m<strong>in</strong>d we do not want to miss any important<br />
<strong><strong>in</strong>teraction</strong>.<br />
logo<br />
William Wu<br />
Cancer Biostatistics
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