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Table 1 Model parameters for 50–54 year olds for estimation of cases of disease, deaths, and life-years

From: The Quit Benefits Model: a Markov model for assessing the health benefits and health care cost savings of quitting smoking

Parameter

Males

Females

Definition

Name

  

DISEASE-SPECIFIC

   

AMI

   

   Pr(AMI in next year for a smoker)

pAMI

0.0043

0.0012

   Pr(AMI in next year for a quitter)*

pAMI

0.0015

0.0004

   Pr(Die from an AMI before hospitalisation|have first AMI)

pDA1_1

0.1943

0.1744

   Pr(Die in hospital from first AMI in first 28 days|have first AMI and hospitalised)

pDA1_2

0.0347

0.0335

   Pr(Die from AMI in remainder of first year|discharged from hospital)

pDA1_3

0.0235

0.0149

   Pr(Die from AMI in second year|survive first year)

pDA2

0.0235

0.0149

Stroke

   

   Pr(Stroke in next year for a smoker)

pStroke

0.0026

0.0016

   Pr(Stroke in next year for a quitter)*

pStroke

0.0014

0.0008

   Pr(Die from a stroke in first 30 days|have first stroke)

pDS1_1

0.2250

0.2250

   Pr(Die from stroke in first year|survive first 30 days)

pDS1_2

0.1818

0.1818

   Pr(Die from stroke in second year|survive first year)†

pDS2

0.0833

0.0833

Lung cancer

   

   Pr(Lung cancer in next year for a smoker)

pLCa

0.0016

0.0011

   Pr(Lung cancer in next year for a quitter)

pLCa

0.6998

0.0006

   Pr(Die from lung cancer in first year|have lung cancer

pDL1

0.5930

0.5099

   Pr(Die from lung cancer in second year|survive first year)†

pDL2

0.4069

0.3602

COPD

   

   Pr(COPD in next year for a smoker)

pCOPD

0.0075

0.0062

   Pr(COPD in next year for a quitter)

pCOPD

0.0052

0.0035

   Pr(Die from COPD in year|have COPD)

pDC

0.0081

0.0060

MORTALITY FROM OTHER CAUSES

   

   Pr(Die from other causes in next year for a smoker)

pDie_other

0.0040

0.0029

   Pr(Die from other causes in next year for a quitter)

pDie_other

0.0026

0.0024

  1. Note that Probabilities vary once smokers or quitters age into the next stratum
  2. Pr = probability
  3. | = conditional on
  4. * 5 years after quitting at age 45–49 years
  5. + Different probabilities for subsequent years