Multiple linear regression analysis evaluating the association between systolic blood pressure according to independent variables for each study, in boys.

Beta coefficient and their respective confidence intervals 95% (95% CI).*This analysis was adjusted for potential confounders: age, socioeconomic status, parental education, regular tobacco smoking, body mass index and waist circumference.**420 boys were excluded because they met the inclusion criteria.MPA = moderate physical activity.VPA = vigorous physical activity.MVPA = moderate and vigorous physical activity.PA = physical activity.SB = sedentary behavior.Significant associations are in bold.