Interest in testing	Adequacy of information	Personal relevance	Family history	Desire to quit	Worry	Time as a smoker	Risk with GSTM1 present	Risk with GSTM1 absent	Number of quit attempts	Absolute risk
Interest in testing	–
Adequacy of information for decision making	0.19*	–
Family history of lung cancer	0.15	−0.09	–
Personal relevance of information	0.55***	0.30***	0.11	–
Desire to quit smoking	0.03	0.16	0.02	0.05	–
Worry about lung cancer	0.19*	0.06	0.21*	0.21*	0.10	–
Length of time as a smoker	0.03	−0.06	0.08	0.09	0.01	−0.02	–
Number of quit attempts	−0.12	0.15	0.02	−0.11	0.08	−0.07	0.18*	–
If GSTM1-present, what is personal risk relative to someone with GSTM1-absent	0.09	0.00	−0.07	0.03	−0.04	0.01	−0.13	0.05
If GSTM1-absent, what is personal risk relative to someone with GSTM1-present	0.03	0.04	−0.12	0.06	0.03	−0.05	0.01	0.08	0.14
Absolute risk for lung cancer	0.13	0.03	0.03	0.15	0.31***	0.32***	−0.03	−0.12	0.02	0.12	–
Comparative risk for lung cancer	0.15	−0.18	0.06	0.04	0.05	0.21*	−0.02	−0.24**	−0.07	0.03	0.30***

^*p < 0.05,

^**p < 0.01,

^***p < 0.001.