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Mental health: Final meta-analysis
Kirkegaard’s concluding statement: “The results confirm the general pattern from before, namely that there is a strongly elevated risk for mental illness among the extreme liberals (+150%), a small increase among the liberals and slightly liberals (+29 to 32%), and somewhat lower rates among conservatives and extreme conservatives (-17 to 24%). Breaking the pattern, slightly conservatives had a marginally increased rate (+6%). A variant of this analysis was also carried out by including the happiness metrics reverse-coded. This produced materially the same pattern, but was weaker since the happiness items had a weaker relationship with political ideology than the mental illness variables.”
