Heritability of arthritis in African American twins: findings from the Carolina African American Twins Study of Aging.

Abstract excerpt

PURPOSE: To determine the genetic and environmental influences exerted on arthritis by measuring the distribution of self-reported arthritis diagnoses among monozygotic (MZ) and dizygotic (DZ) African American twins. METHODS: A cross-sectional study was conducted on 97 MZ and 113 DZ twin pairs recruited into the Carolina African American Twin Study of Aging (CAATSA). The sample had a mean age of 47 +/- 13.9...

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