TABLE 2.
Scores on the Metamemory in Adulthood Questionnaire and Memory Functioning Questionnaire and on Verbal and Visual Memory Tests for Participants With (ε4+) or Without (ε4−) the APOE ε4 Allele Who Knew (Informed) or Did Not Know (Not Informed) Their APOE Genotype
| Participants Without APOE ε4 Allele (ε4−) | Participants With APOE ε4 Allele (ε4+) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Not Informed (N=45) | Informed (N=49) | Not Informed (N=25) | Informed (N=25) | |||||||||
| Measure | N | Mean | SD | N | Mean | SD | N | Mean | SD | N | Mean | SD |
| Metamemory in Adulthood Questionnaire | ||||||||||||
| Capacitya | 44 | 27.8 | 6.5 | 48 | 30.5 | 4.7 | 24 | 31.2 | 5.2 | 25 | 28.0 | 6.4 |
| Change | 44 | 15.9 | 4.9 | 49 | 16.7 | 4.1 | 24 | 17.0 | 5.4 | 25 | 16.9 | 5.5 |
| Memory Functioning Questionnaire | ||||||||||||
| Retrospective functioninga | 42 | 14.3 | 4.1 | 49 | 16.7 | 4.7 | 25 | 18.3 | 5.8 | 25 | 15.9 | 4.7 |
| Frequency of forgettinga | 43 | 84.5 | 17.0 | 44 | 88.9 | 13.4 | 24 | 90.5 | 14.7 | 24 | 83.4 | 13.3 |
| Forgetting when readinga | 41 | 50.5 | 13.1 | 46 | 55.5 | 8.8 | 24 | 54.9 | 8.4 | 24 | 50.7 | 9.3 |
| Past events | 45 | 18.1 | 4.9 | 49 | 19.9 | 4.5 | 23 | 19.2 | 4.6 | 25 | 18.3 | 4.3 |
| Mnemonics usage | 44 | 22.8 | 9.5 | 48 | 25.1 | 8.4 | 24 | 23.1 | 11.4 | 25 | 20.3 | 7.4 |
| Verbal memory tests | ||||||||||||
| Logical memory subtest, immediate recalla | 38 | 28.4 | 7.8 | 30 | 25.6 | 5.9 | 23 | 31.9 | 8.5 | 23 | 22.9 | 7.8 |
| Logical memory subtest, delayed recalla | 38 | 24.3 | 9.6 | 30 | 20.6 | 6.9 | 23 | 28.1 | 9.3 | 23 | 17.7 | 7.9 |
| Visual memory tests | ||||||||||||
| Rey-Osterrieth Complex Figure Test, immediate recall | 45 | 9.3 | 3.7 | 49 | 9.7 | 3.1 | 25 | 9.7 | 2.7 | 25 | 10.6 | 2.6 |
| Rey-Osterrieth Complex Figure Test, delayed recall | 45 | 9.0 | 4.0 | 49 | 9.9 | 2.8 | 25 | 9.0 | 3.1 | 25 | 10.1 | 2.4 |
a
Significantly different between groups, p<0.05.