Table 1.
Means and Standard Deviations of Group Demographic Characteristics and Selected Neuropsychological Tests
| No. of APOE-ɛ4 alleles
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| 0
|
1
|
2
|
|||||||
| Variable | n | M | SD | n | M | SD | n | M | SD |
| Demographic | |||||||||
| Participants | 113 | 52 | 12 | ||||||
| Gender | |||||||||
| Female | 66 | 33 | 6 | ||||||
| Male | 47 | 19 | 6 | ||||||
| Age (years) | 59.9 | 0.9 | 58.9 | 1.0 | 57.6 | 2.2 | |||
| Education (years) | 16.7 | 2.5 | 16.9 | 2.7 | 17.4 | 2.5 | |||
| Test | |||||||||
| Mattis | 141.2 | 2.2 | 140.6 | 2.9 | 140.8 | 1.8 | |||
| Buschke | |||||||||
| Consistency | 9.2 | 1.2 | 8.9 | 1.6 | 8.6 | 1.2 | |||
| Delayed recall | 8.6 | 2.7 | 8.2 | 2.6 | 7.4 | 2.7 | |||
| WMS | |||||||||
| Logical Memory II subtest (delayed) | 25.6 | 7.3 | 23.5 | 6.7 | 19.9 | 9.7 | |||
Note. APOE-ɛ4 = apolipoprotein E–ɛ4; Mattis = Mattis Dementia Rating Scale; Buschke = Buschke Selective Reminding Test; WMS = Wechsler Memory Scale.