Table 6.
Parameter Estimates from Homogeneity and Heterogeneity Models
| A | C | T | E | |
|---|---|---|---|---|
| MT | ||||
| All | .06 (.00–.39) | .17 (.00–.26) | .12 (.00–.24) | .66 (.54–.76) |
| Males | .01 (.00–.34) | .17 (.00–.29) | .07 (.00–.25) | .75 (.58–.86) |
| Females | .05 (.00–.44) | .19 (.00–.33) | .17 (.00–.35) | .59 (.46–.73) |
| PMT | ||||
| All | .28 (.00–.61) | .17 (.00–.38) | .02 (.00–.20) | .54 (.39–.72) |
| Males | .07 (.00–.52) | .23 (.00–.41) | .00 (.00–.15) | .69 (.44–.85) |
| Females | .03 (.00–.60) | .29 (.01–.46) | .24 (.00–.45) | .44 (.28–.62) |
| Neglect | ||||
| All | .24 (.00–.47) | .06 (.00–.25) | .07 (.00–.23) | .64 (.51–.79) |
| Males | .03 (.00–.49) | .16 (.00–.34) | .12 (.00–.35) | .69 (.49–.85) |
| Females | .32 (.00–.56) | .06 (.00–.36) | .03 (.00–.28) | .59 (.43–.80) |
| SMT | ||||
| All | .00 (.00–.59) | .24 (.00–.44) | .02 (.00–0.42) | .73 (.40–.95) |
Note. MT = composite maltreatment; PMT = physical maltreatment; SMT = sexual maltreatment. A = additive genetic influences; C = shared environmental influences; T = twin environmental influences; E = nonshared environmental influences.