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Title: Genetic influences of sports participation in Portuguese families
Authors: Seabra, André F ×
Mendonça, Denisa M
Göring, Harald H H
Thomis, Martine
Maia, José A #
Issue Date: Aug-2014
Publisher: Taylor & Francis
Series Title: European Journal of Sport Science vol:14 issue:5 pages:510-7
Abstract: Abstract To estimate familial aggregation and quantify the genetic and environmental contribution to the phenotypic variation on sports participation (SP) among Portuguese families. The sample consisted of 2375 nuclear families (parents and two offspring each) from different regions of Portugal with a total of 9500 subjects. SP assessment was based on a psychometrically established questionnaire. Phenotypes used were based on the participation in sports (yes/no), intensity of sport, weekly amount of time in SP and the proportion of the year in which a sport was regularly played. Familial correlations were calculated using family correlations (FCOR) in the SAGE software. Heritability was estimated using variance-components methods implemented in Sequential Oligogenic Linkage Analysis Routines (SOLAR) software. Subjects of the same generation tend to be more similar in their SP habits than the subjects of different generations. In all SP phenotypes studied, adjusted for the effects of multiple covariates, the proportion of phenotypic variance due to additive genetic factors ranged between 40% and 50%. The proportion of variance attributable to environmental factors ranged from 50% for the participation in sports to 60% for intensity of sport. In this large population-based family study, there was significant familial aggregation on SP. These results highlight that the variation on SP phenotypes have a significant genetic contribution although environmental factors are also important in the familial resemblance of SP.
ISSN: 1746-1391
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Activity, Sports & Health Research Group
× corresponding author
# (joint) last author

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