Table 4.
Correlations between mean DISC symptom counts and mean SOR symptom counts, within and across twins.
| Intraclass (Cross-twin) Correlation | Phenotypic (Cross-trait) Correlation | Cross-twin, Cross-trait Correlation | ||||||
|---|---|---|---|---|---|---|---|---|
| Tactile | Auditory | Tactile | Auditory | |||||
| Symptom domains | MZ | DZ | MZ | DZ | MZ | DZ | ||
| Depression | 0.51 | 0.34 | 0.18 | 0.18 | 0.15 | 0.11 | 0.12 | 0.15 |
| Social Phobia | 0.39 | 0.09 | 0.16 | 0.11 | 0.20 | 0.11 | 0.11 | 0.16 |
| Specific Phobia | 0.65 | 0.33 | 0.19 | 0.25 | 0.14 | 0.15 | 0.22 | 0.15 |
| General Anxiety | 0.43 | 0.24 | 0.21 | 0.21 | 0.10 | 0.18 | 0.14 | 0.17 |
| Separation Anxiety | 0.52 | 0.34 | 0.21 | 0.19 | 0.11 | 0.16 | 0.15 | 0.19 |
| Conduct Disorder | 0.82 | 0.53 | 0.19 | 0.14 | 0.25 | 0.10a | 0.16 | 0.11 |
| Attention Deficit Hyperactivity | 0.72 | 0.21 | 0.17 | 0.16 | 0.26 | 0.15a | 0.14 | 0.20 |
| Oppositional Defiant | 0.78 | 0.49 | 0.15 | 0.13 | 0.15 | 0.13 | 0.15 | 0.11 |
| Tactile | 0.74 | 0.42 | ||||||
| Auditory | 0.69 | 0.34 | ||||||
Note: p<.05 for all correlations.
MZ twin correlation significantly larger than DZ twin correlation