Well, Maarten is sensible, intelligent and a non-statistician...
Perhaps if you a non-statistician you need to be very sensible
and very intelligent to understand odds ratios...
Nick
Paul Seed
My experience is that even the most
sensible & intelligent & non-statistician
is likely to be defeated by odds ratios.
Time & again, I have known respected colleagues
present them as though they are risk ratios,
& they seem quite surprised when I point out the
differences.
...
Maarten buis
>I disagree, both measures are perfectly understandable. With odds
>ratios you are representing chance by at odds instead of probability.
>Both are easy to understand: odds give you the expected number of
>successes for every failure, while probability gives you the expected
>proportion of successes. With odds ratios groups are compared by
>calculating the ratio: e.g. the odds of success for men is 10% higher
>than the odds of succes for women. With risk difference you are
>comparing the groups by computing differences.
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