Table 3.

Social and gender characteristics of participants to lung cancer screening programs

First author	Gender (% of men among participants)	Socio-economic status (% of high SES among participants)
Aberle et al. 2010	59.0	54.7 (education)
Blanchon et al. 2007	70.5
Doria-Rose et al. 2012	57.6	47.4 (education)
Ford et al. 2003	45.0	69.3 (education)
Hestbech et al. 2011	55.3	47.2 (education)
Kamposioras et al. 2006	46.4	31.1 (occupation)
Kondo et al. 2011	22.0
McRonald et al. 2014	50.0	57.9 (deprivation index)
Nakayama et al. 2002	74.6
Nawa et al. 2002	79.4
Pegna et al. 2009	64.7
Van der Aalst et al. 2010	Only males	52.0 (education)
Wildstein et al. 2011	47.0	60.0 (education)
Zakrzewska et al. 2014	51.0	44.3 (Income)
Mean	55.6	51.5