What's the point of this? What is it meant to demonstrate, or prove, or support?
I guess that it paints a rough picture of what Sciforums' more active participants think about religion.
The poll allows multiple responses. As a result, we don't really know how many people have voted. So the percentages might not tell us a whole lot.
The first four categories do seem to be kind of mutually exclusive though, so that most people are likely to have only chosen one of the four.
We currently have 10 who voted 'don't believe in God and never did' (that's the one I chose) along with another 15 who chose 'don't believe now but used to'. (I'll throw out the speculative hypothesis that our more angry and militant atheists tend to come from the latter group.) That's 25 atheists.
That's compared to 6 people who say that they do believe in God, split 50/50 between those who always have and those who say they once didn't.
Assuming no multiple votes in this group, that's 31 people total, 81% of whom are current atheists, and 90% of whom say that they are current or former atheists.
My first reaction to this data is that those who voted in the poll don't seem to accurately represent the views of the general public. I don't think that they accurately represent the views of working scientists or science students either. While scientists are significantly more likely than the general public to be atheists, I don't think that the percentages reach those seen here.
Which supports the impression that some have voiced that Sciforums has become something of an atheists' club. I'm not really complaining, since I'm an atheist myself, I'm just pointing it out. (It's also disproportionately politically left, but that's another subject.) Sciforums seems to have evolved its own distinct little virtual and international social-affinity subculture.