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st: Re: another aflogit issue
Here is what I am doing:
.logistic incident_lowback age gender hours_week
second_job job_strain
aflogit job_strain
The regression runs fine but no AF!!
I have also tried this one:
.logistic incident_wrist age gender hours_week
second_job xfer position manual_total
.aflogit manual_total, ref(manual_total=3)
I removed the underscores and preserved the data. No
help. One possible clue....I primarily work in SPSS.
The dataset was transferred using stat transfer.
Those two variables are ones that I had to calculate
in SPSS as opposed to entering directly in SPSS.
I could try renaming without underscores in SPSS and
retransferring............
--- Marc Campo <[email protected]> wrote:
> I keep running LR and then typing in aflogit for
> particular variables specifying a reference level.
> For some variables, no problem. For others, it says
> variable not found or abbreviation is incorrect. I
> am
> typing in the right names.
>
> the variable xfer runs. the variables job_strain
> and
> manual_total do not. Anyone know why?
>
> thanks,
> Marc
>
> --- Marc Campo <[email protected]> wrote:
>
> > I am looking at a series of ordinal indep
> variables
> > individually while adjusting for background
> factors
> > with logistic regression. I am entering these
> > varaibles as continuous as opposed to dummy
> coding.
> >
> >
> > I want to use AFLOGIT for attributable fractions.
> I
> > am not sure how this works with a continuous indep
> > variable however. My vars are coded from 1-4 or
> > 1-5.
> > 1 in each case is the lowest category. The AF
> > instructions state to make the reference cat your
> > non
> > exposure category, so I have used 1. Is the
> result
> > the AF for all other categories vs. 1 in that
> case?
> >
> > That's not what I want. But with so few
> categories,
> > I
> > can't just take the middle value either. If it
> isn't
> > just 1 vs. all others, then my results should be
> > fine.
> >
> > Any help is appreciated.
> >
>
>
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