Table 1

Three step eligibility assessment for the SUMMIT Study and comparison of data collected at phone screener versus Lung Health Check to calculate lung cancer risk

Primary care invitationPhone-screener risk assessmentFace-to-face ‘lung health check’ eligibility assessment
Age 55–77 years
Current smoker within past 20 years


Exclusion criteria:
Dementia register
Housebound
Palliative care register or metastatic cancer
Refused research
Version 1: Verification of age and smoking status (smoker within last 20 years and more than 100 cigarettes in lifetime)


Version 2: Estimate of
USPSTF 2014 criteria (30 pack-years of smoking and if a former smoker, have quit in the past 15 years) and/or
PLCOm2012 6-year lung cancer risk ≥1.3%
Calculation of:
USPSTF 2014 criteria (30 pack-years of smoking and if a former smoker, have quit in the past 15 years)
and/or
PLCOm2012 6 year lung cancer risk ≥1.3%
Phone screener (V2) estimate lung cancer riskLHC assessment of lung cancer risk
Categorical variables Categorical variables
Smoked >100 cigarettes in lifetimeSmoked >100 cigarettes in lifetime
Age (from GP extraction)Age (from GP extraction)
Smoking status (current vs former)Smoking status (current vs former)
Ethnicity (PLCO groups)Ethnicity (PLCO groups)
Highest level of educationHighest level of education
History of COPDHistory of COPD
Personal history of cancerPersonal history of cancer
Family history of lung cancerFamily history of lung cancer
Continuous variables Continuous variables
Smoking durationSmoking duration
Smoking consumption (amount)Smoking consumption (amount)
Periods of smoking abstinence
Self-reported height and weight (BMI estimate)Measurement of height and weight (BMI calculated)
  • BMI, body mass index; COPD, chronic obstructive pulmonary disease; GP, general practitioner; LHC, lung health check; PLCO, prostate lung colorectal ovarian; USPSTF, united states preventive services task force.