Personality traits (FPI-R), depression (D-S), and state of health (Bf-S) in 15 twin pairs discordant for idiopathic Parkinson’s disease and 17 healthy controls
| Affected twins | Unaffected twins | Controls | p Value | |
|---|---|---|---|---|
| FPI-R: | ||||
| Life satisfaction | 4.9 (2.5) | 6.1 (1.9) | 6.8 (1.5) | 0.06 |
| Social orientation | 4.9 (1.8) | 5.7 (1.1) | 5.8 (1.7) | 0.25 |
| Achievement orientation | 3.7 (2.1)3-150 | 4.9 (2.1) | 5.8 (1.5) | 0.02 |
| Inhibitedness | 6.2 (2.2)3-150 | 5.1 (2.8) | 3.8 (1.9) | 0.03 |
| Impulsiveness | 4.7 (2.2) | 4.5 (1.5) | 4.4 (1.5) | 0.91 |
| Aggressiveness | 4.3 (1.9) | 4.7 (1.8) | 5.0 (1.3) | 0.53 |
| Strain | 4.7 (1.8) | 4.5 (1.6) | 3.8 (1.3) | 0.16 |
| Somatic complaints | 5.1 (1.6)3-150 | 4.3 (1.9) | 3.0 (1.5) | 0.004 |
| Health concern | 4.2 (1.6)3-150 | 4.3 (1.5)3-150 | 6.1 (1.5) | 0.003 |
| Frankness | 4.4 (2.1) | 4.9 (1.8) | 3.9 (2.1) | 0.32 |
| Extraversion | 3.5 (1.9)3-150 | 4.7 (1.8) | 6.2 (2.2) | 0.004 |
| Emotionally | 5.7 (1.8)3-150 | 4.7 (1.7) | 3.4 (1.5) | 0.005 |
| D-S: | ||||
| Depression | 14.7 (8.2)3-150 3-151 | 7.1 (4.8) | 4.9 (2.9) | 0.001 |
| Bf-S: | ||||
| State of health | 24.7 (15.2)3-150 3-151 | 11.5 (9.8) | 7.5 (5.4) | 0.001 |