Cigarette smoking and birthweight: type of cigarette smoked and a possible threshold effect.

@article{Peacock1991CigaretteSA,
  title={Cigarette smoking and birthweight: type of cigarette smoked and a possible threshold effect.},
  author={Janet L Peacock and J Martin Bland and Hugh Ross Anderson and O G Brooke},
  journal={International journal of epidemiology},
  year={1991},
  volume={20 2},
  pages={405-12}
}
The effects on birthweight of the number of cigarettes smoked and their tar, nicotine and carbon monoxide yields were investigated prospectively in 1309 pregnant women of whom 414 were smokers. Several approaches to modelling the effect of smoking were tried. These suggested that while both yield and quantity smoked were important, yield had the greatest effect. This led to an empirical approach whereby consistent smokers were divided into four categories according to whether they smoked a low… CONTINUE READING