http://spssx-discussion.165.s1.nabble.com/Association-between-two-nominal-variables-tp1071026p1071032.html
You are absolutely correct, Elena. I stand corrected.
Sorry, but you are wrong. You could count OR in SPSS using crosstab (crsstab
> -----Original Message-----
> From: SPSSX(r) Discussion [mailto:
[hidden email]]
> On Behalf Of Dominic Lusinchi
> Sent: Wednesday, September 20, 2006 2:43 AM
> To:
[hidden email]
> Subject: Re: Association between two nominal variables?
>
>
> Kevin,
>
> For a 2X2 table you can use the Phi statistic, available in
> the Crosstab procedure under Statistics. Phi varies from 0 to
> 1: closer to 1, stronger the association. Of course this
> assumes that the chi-square statistic is significant.
>
> You can also compute the crossproduct ratio, better known as
> the odds ratio: [(1,1)X(2,2)]/[(1,2)X(2,1)]; where the first
> number is the row and the second the column, and these
> represent the frequencies in each cell.
>
> An odd ratio (OR) of 1 means there is no relationship between
> the two variables. An OR>1 means greater likelihood of the
> outcome given the risk factor; an OR<1 means you are less
> likely to have the outcome.
>
> I say you have to compute this because SPSS does not: that
> is, not in the crosstab procedure.
>
> Cheers,
>
> Dominic Lusinchi
> Statistician
> Far West Research
> Statistical Consulting
> San Francisco, California
> 415-664-3032
> www.farwestresearch.com
>
> -----Original Message-----
> From: SPSSX(r) Discussion [mailto:
[hidden email]]
> On Behalf Of Secrist, Kevin
> Sent: Tuesday, September 19, 2006 2:24 PM
> To:
[hidden email]
> Subject: Association between two nominal variables?
>
> Hello SPSS guru's,
>
> I am a novice user trying to identify the association between
> two nominal variables and two nominal outcomes. the variables
> are labeled Peer Pal (yes/no) (1 or 0) and the outcome
> labeled outpt (for outpatient service received) yes/no (1 or
> 0). The N for Peer Pal 0 = 165 and the N for Peer Pal 1=674.
>
> What test(s) can SPSS 12.0 perform to indicate the
> association between variables and outcomes? and what would
> the expected value(s) be if the association exists, is weak,
> or is strong?
>
>
> Thanks
>
> Kevin Secrist - Administrative Analyst, Associate
> Butte County Behavioral Health
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> Far better an approximate answer to the right question, which
> is often vague, than the exact answer to the wrong question,
> which can always be made precise. Ann. Math. Stat. 33 (1962)
> - John w. Tukey
>