Table 2.
MICRA instrument scores, overall and stratified by genomic risk category
| Items (possible range) | Number of items | Overall (n = 103) | Low-risk (n = 25) | Average-risk (n = 49) | High-risk (n = 29) | F2,100 | P valuea |
|---|---|---|---|---|---|---|---|
| M (SD) | M (SD) | M (SD) | M (SD) | ||||
| Total score (0–105) | 21 | 18.6 (11.1) | 14.1 (8) | 17.6 (8.1) | 24.2 (15.2) | 6.68 | 0.0019 |
| Distress subscale (0–30) | 6 | 1.6 (2.9) | 0.5 (1.2) | 1.1 (2.3) | 3.3 (3.9) | 9.42 | 0.0002 |
| Uncertainty subscale (0–45) | 9 | 5.1 (6.7) | 2.5 (4.4) | 4.5 (5.1) | 8.5 (9.0) | 6.54 | 0.0021 |
| Positive experiences subscale (0–20) | 4 | 8.2 (5.5) | 6.8 (6.0) | 8.3 (5.6) | 9.2 (4.8) | 1.28 | 0.28 |
| Understanding choices item (0–5) | 1 | 2.7 (2.1) | 3.3 (2.0) | 2.7 (2.1) | 2.1 (1.9) | 2.35 | 0.10 |
| Worry about children subscaleb (0–10) | 2 | 3.4 (2.9) | 2.9 (2.3) | 2.9 (2.7) | 4.7 (3.4) | 2.87 | 0.063 |
| Worry about cancer subscalec (0–10) | 2 | 3.0 (2.0) | 4 (1.8) | 2.5 (1.8) | 3.1 (2.0) | 2.44 | 0.099 |
aComparing mean scores across genomic risk categories
bOnly participants with children responded to these items
cOnly participants with a personal history of cancer responded to these items