Compared with those with a normal screen , individuals were less likely to be smokers if their previous year 's screen had a major abnormality that was not suspicious for lung cancer ( odds ratio [ OR ] = 0.811 ; 95 % confidence interval [ CI ] = 0.722 to 0.912 ; P < .001 ) , was suspicious for lung cancer but stable from previous screens ( OR = 0.785 ; 95 % CI = 0.706 to 0.872 ; P < .001 ) , or was suspicious for lung cancer and was new or changed from the previous screen ( OR = 0.663 ; 95 % CI = 0.607 to 0.724 ; P < .001 ) .