My guess is that this is not really about ideological conservatism, even though that 'pool' of people is being exploited to drum up opposition to healthcare reform.
What if it's being fuelled by something else?
Millions spent blocking health reforms
Six lobbyists for every member of US Congress as healthcare industry heaps cash on politicians.
America's healthcare industry has spent hundreds of millions of dollars to block the introduction of public medical insurance and stall other reforms promised by Barack Obama. The campaign against the president has been waged in part through substantial donations to key politicians. (more...)
As with so much public opinion (from the dangers of signing up to international systems of justice, to perceptions of South American 'rogue' leaders like Chavez), the political and economic interests of the American
establishment are probably more significant in shaping mainstream US opinion than many like to admit. (Ditto other western democracies like the UK)
We're looking for a correlation between opponents of 'socialism' and opponents of abortion - when we should really be looking at the correlation between uneducated conservatism, and the ease with which they can be manipulated and frightened into their beliefs, on all manner of issues.