Multivariable analyses of the relationship between LTPA during pregnancy and neurodevelopmental variables.

LTPA: leisure-time physical activity - PR: prevalence rates −95%CI: 95% confidence intervals.Multivariable analyses included in the model: family income, schooling, smoking, skin color, maternal age, number of previous births, maternal occupational characteristics and preterm birth. Prevalence rates for the Battelle's outcomes derive from Poisson regression. Beta values for IQ scores derive from linear regression and indicate differences between inactive and active women.Pelotas 2004 Birth Cohort (2004–2008).Multivariable analyses of the relationship between LTPA during pregnancy and neurodevelopmental variables.