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Re: st: linear mixed models doubt in how to interpret the Coef


From   Luisa Soares-Miranda <luisasoaresmiranda@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: linear mixed models doubt in how to interpret the Coef
Date   Thu, 30 Jun 2011 16:08:41 +0100

Dear Maarten,

Thank you for your help. But even though can I say that a longitudinal
analyze of the associations between Glu and SDNN was cerried out?

thanks

Luisa

On Thu, Jun 30, 2011 at 3:57 PM, Luisa Soares-Miranda
<luisasoaresmiranda@gmail.com> wrote:
> Dear all,
>  I am writing you because I am performing a longitudinal mix models
> analyses as the following
>
> xi: xtmixed sdnn i.year_of_visit  gender  age  smoke alcohol
> waistcinrcunfrence_std  pa_std  tasis_std   trg_std  glu_std hdl_std
> || id: i.year, covariance(identity)
>
> I have 3 years of data, my main doubt now is how can I interpret my
> Coefficient? If my results I have that the Coef of Glu is  -3.35 and
> the p is 0.001. Can I say that when I increase by one unit Glu sdnn
> decreases -3.35 ms over 3 years? So Glu is associated with a decrease
> in sdnn over time.
> thank you so much for your help,
> regards
> Luisa
>
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