step three.step 3. Inhabitants chosen to own 1990 overall level source: influence out of smoking while pregnant Testing amongst the the 1990 prepubertal reference plus the 1974 prepubertal referenceparison within the fresh 1990 prepubertal level site populace for girls (yellow, left) and you can males (blue, off to the right) for suggest and you will ± 2SDS and the 1974 prepubertal site populace...