Table 1.
Correlations in monozygotic (MZ) and dizygotic (DZ) families
| MZ twin families | DZ twin families | |
|---|---|---|
| Parental criticism | ||
| Twin correlations a | .26 (.16, .34) | .14 (.09, .22) |
|
| ||
| Parental criticism and offspring internalising symptoms | ||
| Parent-child correlations b | .29 (.26, .33) | .29 (.26, .33) |
| Avuncular correlations a | .12 (.07, .16) | .06 (.04, .09) |
|
| ||
| Offspring internalising symptoms | ||
| Cousin correlations a | .17 (.14, .20) | .09 (.07, .10) |
| Twin correlations c | .60 (.53, .66) | .31 (.26, .37) |
a
From the Children-of-Twins sample, TOSS.
b
From the TOSS and the adolescent twin sample, TCHAD.
c
From the TCHAD. Brackets show 95% confidence intervals.