Clayton writes:
>More seriously, the risk factor, if real, would seem to be very low.
>Pretty obviously, with 35-40% of American homes having at least one
>gun, it can't be a very high risk factor, or there would be a lot fewer
>homes.

  In public impact, an increase in risk from 1 in a million to 2 in a
million seems to get a lot of notice!  So even if the risk increase is
so small that it doesn't "weed out" homes-with-firearms, it can gain a
lot of attention.

>I do not doubt that the presence of guns represents a risk for some
>people, in some homes. All other things being equal, the person with a
>history of depression or alcohol abuse is probably at more risk of
>suicide with a gun present than the same person without a gun present.

  Maybe - although there are so many alternative methods  that it's not
clear that this is so.

  Also, there can be a reversal of causation in this "risk".  Even if
only a minority of suicide-prone people acquire a firearms because of
thinking about suicide, that can seriously tilt the risk odds.

  I haven't had a chance to read the article, but this is one of the
problems of interpretation that I would look for.  Another one would be
how they determine the % of non-suicide homes that have guns present?

>But I find it hard to believe that the presence of firearms is a
>greater risk factor than say, the presence of alcohol, or the presence
>of methamphetamines.

  This is likely.  Perhaps the article has such comparisons.

--henry schaffer
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