Effect of intervention on offspring weight development. Weight-for-length/height from birth to 48 months (upper) and BMI z-scores from 24–48 months (lower). P-values denote for the significance of intervention effects (interaction between group and child’s age at months). Non-linear model including group, age of the child, non-linear terms age2 and/or age3 and interaction between group and age of the child.
Mustila et al. Journal of Negative Results in BioMedicine 2012 11:11 doi:10.1186/1477-5751-11-11