Table 8.
Main and interaction effects between candidate genes and overtly negative maternal behavior on attachment disorganization, genetic dominance models
| Full Sample
|
European American
|
African American
|
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gene | B | SE | β | p | B | SE | β | p | B | SE | β | p |
| DRD2 | ||||||||||||
| DRD2 | −.30 | .28 | −.08 | .28 | −.55 | .40 | −.14 | .17 | −.05 | .43 | −.01 | .91 |
| Overtly negative maternal behavior | .12 | .05 | .18 | .01 | .10 | .06 | .15 | .14 | .12 | .08 | .18 | .11 |
| DRD2 × Maternal behavior | −.00 | .09 | −.00 | .99 | −.19 | .18 | −.12 | .29 | .09 | .16 | .10 | .56 |
| DRD4 | ||||||||||||
| DRD4 | −.02 | .28 | −.01 | .93 | −.06 | .39 | −.02 | .88 | .14 | .43 | .04 | .75 |
| Overtly negative maternal behavior | .11 | .05 | .18 | .02 | .10 | .07 | .16 | .14 | .12 | .07 | .19 | .10 |
| DRD4 × Maternal behavior | −.06 | .09 | −.07 | .51 | .00 | .13 | .00 | .99 | −.19 | .16 | −.15 | .25 |
| COMT | ||||||||||||
| COMT | .11 | .37 | .02 | .77 | .20 | .43 | .05 | .64 | .37 | .81 | .05 | .65 |
| Overtly negative maternal behavior | .11 | .05 | .18 | .02 | .10 | .06 | .16 | .13 | .12 | .07 | .19 | .10 |
| COMT × Maternal behavior | −.09 | .09 | −.11 | .32 | −.14 | .13 | −.17 | .26 | −.04 | .15 | −.05 | .77 |
| Bi_5-HTT | ||||||||||||
| Bi_5-HTT | −.24 | .28 | −.06 | .39 | .13 | .40 | .04 | .74 | −.62 | .42 | −.16 | .14 |
| Overtly negative maternal behavior | .11 | .05 | .17 | .02 | .10 | .07 | .16 | .13 | .10 | .07 | .17 | .13 |
| Bi_5-HTT × Maternal behavior | .05 | .09 | .06 | .60 | .15 | .14 | .20 | .30 | −.01 | .15 | −.01 | .96 |
| Tri_5-HTT | ||||||||||||
| Tri_5-HTT | .14 | .33 | .03 | .69 | .08 | .44 | .02 | .86 | .33 | .53 | .07 | .53 |
| Overtly negative maternal behavior | .11 | .05 | .18 | .02 | .10 | .07 | .16 | .13 | .12 | .07 | .18 | .11 |
| Tri_5-HTT × Maternal behavior | .03 | .11 | .04 | .77 | .17 | .15 | .24 | .25 | −.12 | .16 | −.15 | .46 |
| OXTR | ||||||||||||
| OXTR | .40 | .27 | .11 | .14 | .06 | .37 | .02 | .88 | .58 | .44 | .15 | .20 |
| Overtly negative maternal behavior | .11 | .05 | .18 | .02 | .10 | .06 | .16 | .14 | .11 | .08 | .15 | .18 |
| OXTR × Maternal behavior | −.06 | .09 | −.07 | .53 | −.16 | .13 | −.19 | .23 | .06 | .16 | .07 | .71 |
Note. Bold coefficients indicate significant at p < .05. Maternal behavior: Overtly negative maternal behavior across 6 month and age 1.