Matching in case control studies - The INCLEN Trust
Matching in case control studies - The INCLEN Trust
Matching in case control studies - The INCLEN Trust
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<strong>Match<strong>in</strong>g</strong> for operational reasons<br />
• Outbreak <strong>in</strong>vestigation sett<strong>in</strong>g<br />
• Friends or neighbours <strong>control</strong>s are a common<br />
choice<br />
• Advantages:<br />
• Allows identify<strong>in</strong>g <strong>control</strong>s fast<br />
• Will take care of gross confound<strong>in</strong>g factors<br />
• May result <strong>in</strong> some overmatch<strong>in</strong>g, which places<br />
the <strong>in</strong>vestigator on “the safe side”<br />
Pro and cons