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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.