title: Associations between personality traits, physical activity level, and muscle strength.
abstract: Associations among personality as measured by the Five Factor Model, physical activity, and muscle strength were assessed using data from the Baltimore Longitudinal Study of Aging (N= 1220,age: mean= 58,SD= 16). General linear modeling with adjustment for age, sex, race, and body mass index, and bootstrapping for mediation were used. We found neuroticism and most of its facets to negatively correlate with strength. The extraversion domain and its facets of warmth, activity, and positive-emotions were positively correlated with strength, independent of covariates. Mediation analysis results suggest that these associations are partly explained by physical activity level. Findings extend the evidence of an association between personality and physical function to its strength component and indicate health behavior as an important pathway.
authors: Gerontology Program, School of Social Work, University of Missouri - St. Louis, St. Louis, MO 63121, USA.
authors: Magdalena I
authors: MI
authors: Tolea
authors: Antonio
authors: A
authors: Terracciano
authors: Eleanor M
authors: EM
authors: Simonsick
authors: E Jeffrey
authors: EJ
authors: Metter
authors: Paul T
authors: PT
authors: Costa
authors: Luigi
authors: L
authors: Ferrucci
keywords: Agreeableness; Extraversion; Muscle strength; Neuroticism; Personality; Physical activity
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