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Table 4 Parameter estimates for the sedentarism, weekly PA, and weekly PA_NS phenotypes in the Brazilian families

From: Heritability of physical activity traits in Brazilian families: the Baependi Heart Study

Phenotype Model No heterogeneity Heterogeneity in variance components by gender Selected model
Variance with heterogeneity
   h2 (s.e.), p value σ2 g σ2 e h2 m h2 f σ2 g, m σ2 e, m σ2 g, f σ2 e, f  
sedentarism No covariate 0.14 (0.07), p = 0.0104 16.45 99.99 0.05 0.22 5.16 99.98 0.27 0.95 Genetic and environmental
  Age, sex,
age × sex, age2, age2 × sex
0.12 (0.07), p = 0.0218 1.22 8.48 0.12 0.12 1.22 8.48 1.22 8.48 No heterogeneity
weekly PA No covariate 0.09 (0.04), p = 0.0019 0.55 5.44 0.11 0.09 0.59 5.90 0.59 5.02 Environmental
  Age, age × sex, age2, age2 × sex 0.11 (0.04), p = 0.0004 0.62 5.20 0.11 0.11 0.62 5.20 0.62 5.20 No heterogeneity
weekly PA_NS No covariate 0.35 (0.11), p < 0.0001 0.24 0.43 0.35 0.35 0.24 0.43 0.24 0.43 No heterogeneity
  1. Weekly PA, weekly physical activity; weekly PA_NS, weekly physical activity among non-sedentary subjects; h2 (s.e.), heritability estimate (standard error); σ2 g, polygenic variance estimate; σ2 e, environmental variance estimate; h2 m, heritability estimate for males; h2 f, heritability estimate for females; σ2 g,m, polygenic variance estimate for males; σ2 e,m, environmental variance estimate for males; σ2 g,f, polygenic variance estimate for females; σ2 e,f, environmental variance estimate for females.