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Re: st: medeff command negative percentage of total effect mediated
From
Nick Cox <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: medeff command negative percentage of total effect mediated
Date
Mon, 3 Jun 2013 11:21:57 +0100
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Nick
[email protected]
On 3 June 2013 11:16, worldpatient . <[email protected]> wrote:
> Dear Statalisters,
>
> I am using the user-written command -medeff command in Stata/IC 11 for
> Windows to test for causal mediation effects.
> My outcome is binary and my mediator is continuous.
>
> My question has to do with the interpretation of the percentage and
> 95%CIs of total effect mediated. In my analysis, the direct and total
> effects although not significant are negative while the indirect
> effect is positive and very small.
> As a result the percentage of the total effect mediated is negative
> and the CIs range from -203 to 46..
>
> Is there a way that I could interpret the percentage of the total
> effect mediated and the CIs when this percentage is negative and the
> CIs are so wide?
>
> Many thanks,
> Maria
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