Domain | Measures | Baseline (T0) | Follow-up 1 (T1) (within 4 weeks of return of results, ~  2–3 months) | Follow-up 2 (T2) (2 months post T1) |
---|---|---|---|---|
Demographics | Â | Â | Â | Â |
 Age, gender, marital status, education level, occupation etc | Demographic items | X |  |  |
Views and attitudes | Â | Â | Â | Â |
 Value of TGP | X |  |  | |
 Perceived benefits and drawbacks of TGP | Adapted from Jamal et al. [18] | X | X |  |
 Result return preferences | Adapted from Tabor et al. [19] | X |  |  |
 Knowledge | Study-developed | X |  |  |
 Perceived importance of TGP | Adapted from Hay et al. [20] | X |  |  |
Psychological predictors | Â | Â | Â | Â |
 Coping with uncertainty | Kasparian et al. [21] | X |  |  |
 Self-efficacy | Adapted from Rosenberg et al. [22] | X |  |  |
 Perceived susceptibility | Adapted from Kasparian et al. [21] | X | X | X |
Psychological outcomes | Â | Â | Â | Â |
 Coping with TGP results | Multidimensional impact of cancer risk assessment [23] |  | X |  |
 Fear of cancer progression | Concerns about Recurrence Questionnaire [24] | X | X | X |
 Cancer -specific anxiety | Impact of events scale [25] |  | X | X |
 Anxiety and depression | Hospital anxiety and depression scale [26] |  | X | X |
 Hope | Herth Hope Index [27] |  | X | X |
Decisional outcomes | Â | Â | Â | Â |
 Decisional conflict | Decisional conflict scale [28] |  | X |  |
 Decisional regret regarding  personalised treatment | Decision regret scale [29] |  |  | X |
 Decisional satisfaction | Satisfaction with Decision Scale [30] | X | X |  |