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Food choice can be a way for people to express their ideals and identities. In particular, for those who identify as vegetarian, this label is more than just a set of dietary preferences. Choosing to follow a plant-based diet shapes one’s personal and social identity and is likely to influence a person’s values, attitudes, beliefs, and well-being. The available data suggest that vegetarians are more pro-social than omnivores and tend to have more liberal political views. Nevertheless, vegetarians do not appear to be as well-adjusted as omnivores, which may be the result of their status as a social minority. Despite the attention vegetarianism has received, more research is needed to understand the antecedents, correlates, consequences, and socio-cultural contexts of vegetarianism.
Nezlek et al. (Fri,) studied this question.