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Neuropsychological and demographic characteristics by genotype.
| Test variable | ADRA2B (24) | CB1 (113) | DOUBLE (56) | NONE (35) | ||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | M | SD | |
| Age (in years) | 72.8 | 7.6 | 73.9 | 7.2 | 71.9 | 7.4 | 71.0 | 6.6 |
| Education (in years) | 6.3 | 2.5 | 8.4 | 4.7 | 7.4 | 4.0 | 7.9 | 4.8 |
| Forward Digit span | 4.7 | 1.5 | 6.1 | 2.2 | 5.8 | 2.0 | 5.3 | 2.1 |
| Backward Digit span | 4.8 | 1.5 | 4.9 | 2.2 | 4.6 | 1.9 | 4.3 | 1.8 |
| FAS | 8.6 | 3.7 | 8.3 | 3.9 | 7.7 | 3.4 | 8.9 | 4.4 |
| PANAS pos | 33.5 | 6.9 | 32.6 | 7.8 | 34.3 | 11.3 | 33.7 | 7.4 |
| PANAS neg | 18.0 | 5.1 | 19.0 | 6.8 | 20.1 | 7.6 | 19.0 | 7.5 |
