TABLE 1

Participant demographics and baseline characteristics

AllPreference for screeningp-value
YesNo
Participants n28320479
Age years66.3±6.566.6±6.666.2±6.30.66
Males171 (60%)127 (63%)44 (56%)0.31
Race
 White261 (92%)188 (92%)73 (92%)0.16
 Indigenous11 (4%)10 (5%)1 (1%)
 Other11 (4%)6 (3%)5 (7%)
Education0.24
 High school or below173 (61%)129 (63%)44 (56%)
 Higher education110 (39%)75 (37%)35 (44%)
Smoking0.41
 Current59 (21%)40 (20%)19 (24%)
 Former224 (79%)164 (80%)60 (76%)
 Exposure pack-years34.6 (30.5%)35.6 (30.8%)31.2 (29.5%)
COPD79 (28%)60 (29%)19 (24%)0.37
BMI kg·m−229.4±6.329.6±6.528.7±5.90.29
Family history42 (15%)31 (15%)11 (14%)0.79
PLCOm2012 median (IQR)1.28% (0.44–3.11%)1.39% (0.46–3.38%)0.96% (0.38–2.36%)0.20
Lung cancer risk perception#[9] median (IQR)15 (12–17)15 (13–17)14 (11–17)0.02
Worry about lung cancer3 (2–4)4 (2–5)3 (2–4)<0.01
Perceived seriousness of lung cancer+4.5 (4–5)5 (4–5)4 (3–5)0.11
Screening eligibility
 Eligible§129 (46%)99 (49%)30 (38%)0.11
 Ineligible154 (54%)105 (51%)49 (62%)

Data are presented as mean±sd or n (%), unless otherwise stated. BMI: body mass index; PLCOm2012: Prostate Lung Colon Ovarian model 2012; IQR: interquartile range. #: score range 5–25, 272 out of 283 responses; : score range 2–8; +: score range 1–5, 281 out of 283 responses; §: PLCOm2012 >1.5%.