Persist or quit? Testing for a genetic contribution to smoking persistence.

@article{Heath1990PersistOQ,
  title={Persist or quit? Testing for a genetic contribution to smoking persistence.},
  author={A Christopher Heath},
  journal={Acta geneticae medicae et gemellologiae},
  year={1990},
  volume={39 4},
  pages={
          447-58
        }
}
We consider three alternative parametric models to describe genetic and environmental influences on smoking initiation and smoking persistence. Under the single liability dimension model, the same genetic and environmental influences which determine smoking initiation also influence smoking persistence. Under the independent liability dimensions model, independent initiation and persistence dimensions determine onset of smoking, and persistence in those who become smokers. The combined model… CONTINUE READING

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