Heritability estimates (h2) and % of variance accounted for by covariates of different sedentary phenotypes in the Portuguese Healthy Families Study.

Significant estimates are labeled with an *.Legend: Tv – television viewing; Sed – minutes spent in sedentary behaviors as assessed by B3DAR; EEsed – energy expenditure in sedentary behaviors as assessed by B3DAR; TV – television viewing (ordinal variable); PC – personal computer usage (ordinal variable).1Covariates - age, age2, sex and their interactions.Heritability estimates (h2) and % of variance accounted for by covariates of different sedentary phenotypes in the Portuguese Healthy Families Study.