Summary of study measures across time points* for each participant arm†
| Measure | Pre-test | Post-test | ||||||
| Baseline | +~2 weeks | + 1 month | + 6 months | + 9 months | ||||
| T0 | T1I | T2I/T2C | T2IA/T2CA | T3I/T3IA | T3C | T4I/T4IA | T4C | |
| Demographics | · | |||||||
| Brief Health Literacy Screening Tool (BRIEF) | · | |||||||
| Digital Literacy Scale (DHLS) | · | |||||||
| University of North Carolina Genomic Knowledge Scale (UNC-GKS) | · | · | · | · | · | · | · | |
| Hospital Anxiety and Depression Scale (HADS) | · | · | · | · | · | · | · | · |
| SF-36: Quality of life | · | · | · | · | · | · | · | |
| Decisional Conflict (SURE) | · | · | ||||||
| Genomics Outcome Scale (GOS) | · | · | · | · | · | · | ||
| Preparation for Decision Making Scale | · | |||||||
| Satisfaction with Decision Making | · | |||||||
| Acceptability eScale | · | · | · | · | ||||
| Duration of platform use (minutes) | · | · | · | |||||
| Frequency of platform access | · | · | · | |||||
| Health resource use (RUQ) | ·‡ | ·§ | ·§ | |||||
| Multidimensional Impact of Cancer Risk Assessment (MICRA–Adapted) | ·¶ | ·¶ | · | · | ||||
*Time points abbreviations. T0: baseline; T1: 2 weeks before first appointment with clinician; T2: immediately after pretest meeting with clinician; T3: 2 weeks after post-test meeting with clinician; T4: 3 months after T3 measures.
†Participant arm abbreviations. A: alternative pathway; C: control group; I: intervention group (see online supplemental table 1 for specific measures in each arm).
‡In the past 3 months.
§Since receiving results.
¶Primary outcome (test-specific distress subscale).