Table 3. Variance Component Estimates for BPD and Substance Use at Age 14 and 18.
| Age 14 | Age 18 | |||||
|---|---|---|---|---|---|---|
| Phenotype | A | C | E | A | C | E |
| BPD traits | .25 (.001,.51) |
.23 (.01,.44) |
.52 (.44,.60) |
.48 (.19, .57) |
.01 (.00,.26) |
.51 (.43,.60) |
| Substance Use | .44 (.28,.61) |
.33 (.16,.48) |
.23 (.19,.28) |
.49 (.26,.76) |
.25 (.00,.47) |
.26 (.21,.32) |
Note: BPD = Borderline Personality; A = additive genetic effects with 95% confidence intervals [CIs]; C = shared environmental effects; E = nonshared environmental effects.