Before revision: Evidence If one corrects and adjusts for the confounding by smoking, via stratification or multivariable regression modelling to statistical control for smoking, then one finds that the association between birth weight and mortality may be attenuated towards the null.
After revision: Evidence If one corrects and adjusts for the confounding by smoking, via stratification or multivariable regression modelling to statistically control for smoking, one finds that the association between birth weight and mortality may be attenuated towards the null.