Table 3 Summary of scales included in the questionnaire to measure confidence and knowledge
Measure | Description | Items | Reliabilitya | Range | Q1 Mdn (IQR) | Q3 Mdn (IQR) | Outcome |
|---|---|---|---|---|---|---|---|
Self-perceived confidence scale | Clinical scenario given. Confidence felt in discussing features of NIPT. | 13 items, 4 point Likert scales | 0.95 | 0 – 39 | 7 (9) | 23 (3) | Statistically significant improvement in self-perceived confidence p < 0.001 |
Self-perceived knowledge scale | Self-perceived knowledge regarding features of NIPT | 6 items, 4 point Likert scales | 0.92 | 0 – 18 | 1 (3) | 8 (4) | Statistically significant improvement in self-perceived knowledge p < 0.001 |
Knowledge Test | Knowledge of cffDNA, features of NIPT, care pathway for NIPT | 8 items, True, false, unsure | 0.81 | 0 – 8 | 2 (4) | 6 (2) | Statistically significant improvement in knowledge test p < 0.001 |