Table 3 Objective Knowledge about Genetics
From: Metastatic breast cancer patient perceptions of somatic tumor genomic testing
1. It is possible to see a gene with the naked eye. (False). | ||
Pre-test % correct (N = 58) | Post-test % correct (N = 40) | McNemar’s test p-value (N = 40) |
77.2 | 87.2 | 0.04 |
2. Healthy parents can have a child with a hereditary disease. (True) | ||
Pre-test % correct (N = 58) | Post-test % correct (N = 40) | McNemar’s test p-value (N = 40) |
92.7 | 92.3 | 0.32 |
3. The carrier of a disease gene may be completely healthy. (True) | ||
Pre-test % correct (N = 58) | Post-test % correct (N = 40) | McNemar’s test p-value (N = 40) |
91.2 | 87.2 | > 0.99 |
4. Genes are inside cells. (True) | ||
Pre-test % correct (N = 58) | Post-test % correct (N = 40) | McNemar’s test p-value (N = 40) |
60.7 | 59.0 | > 0.99 |
5. A gene is a piece of DNA. (True) | ||
Pre-test % correct (N = 58) | Post-test % correct (N = 40) | McNemar’s test p-value (N = 40) |
70.2 | 61.5 | 0.48 |
6. All body parts have all of the same genes. (True) | ||
Pre-test % correct (N = 58) | Post-test % correct (N = 40) | McNemar’s test p-value (N = 40) |
33.3 | 28.2 | 0.56 |
7. A person’s race and ethnicity can affect how likely they are to get a disease. (True) | ||
Pre-test % correct (N = 58) | Post-test % correct (N = 40) | McNemar’s test p-value (N = 40) |
80.7 | 89.7 | 0.03 |