Share 'Why a minority?'

I'm curious to hear anyone's thoughts on possible reasons WHY women seem to be such a minority in atheism. I'm a bit new to "social atheism" (I've been a quiet but not closeted, personal atheist for over half my life at this point), so I guess I'm only discovering this bias now. I dislike the idea that "women are less rational than men." Or equally its reverse, that "women need the emotional sati…