Patient characteristics: Random sample of 1002 adults aged 50–80 years in four Swiss university primary care settings.

aDefined as a coronary heart disease (CHD) event in male first-degree relatives bA former smoker had stopped smoking ≥6 months before baseline and a current smoker was smoking at baseline or had stoppedcIf the patient has a record of ever having the listed condition or risk factor.dHistory of transient ischemic attack, cerebral vascular accident, coronary artery disease, angina, myocardial infarction, congestive heart failure or peripheral vascular disease.eDepression, bipolar disorder, psychosis, schizophrenia, pervasive development disorder.fChronic obstructive pulmonary disease (COPD), asthma, sleep apnea syndrome, sarcoidosis, pulmonary hypertension, bronchiectases, interstitial pulmonary disease or global respiratory insufficiency.gSolid metastatic, solid non-metastatic cancer, lymphoma, leukemia.