Associations between loneliness and personality are mostly driven by a genetic association with Neuroticism

Objective Loneliness is an aversive response to a discrepancy between desired and actual social relationships and correlates with personality. We investigate the relationship of loneliness and personality in twin family and molecular genetic data. Method Phenotypic correlations between loneliness and the Big Five personality traits were estimated in 29,625 adults, and in a group with genome‐wide genotype data ( N = 4,222), genetic correlations...