Polls and Dubious Correlations
.Specifically, “How Food Preferences Vary by Political Ideology”—a poll that correlates self-reported political leanings and self-reported food habits. And verifies a whole pile of preconceptions you might have had… althought the polling organization itself does point out that e.g. much of the variance may be due to geographical rather than political differences.
Even allowing for those, though, the fact that “liberals” are much more interested in eating healthily than “conservatives” is interesting.