Table 2. Summary of Hierarchical Regress ion Models Predicting Sibling Positivity and Negativity as a Function of Sibling Differentiation Polynomials, Sex Constellation, and Differentiation X Sex Constellation Interactions (N = 15 2).
| Sibling Positivity | Sibling Negativity | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 1 | Model 2 | |||||||||
| Variable | B | SE B | β | B | SE B | β | B | SE B | β | B | SE B | β |
| Intercept | 2.89** | .09 | 3.02** | .09 | 2.49** | .12 | 2.32** | .13 | ||||
| Parents’ education | −.11* | .05 | −.24 | −.09† | .05 | −.20 | −.02 | .07 | −.03 | −.04 | .06 | −.07 |
| Family income | .00 | .00 | .10 | .00 | .00 | .09 | .00† | .00 | .17 | .00* | .00 | .19 |
| Parents’ job prestige | .01 | .01 | .04 | .01 | .01 | .03 | −.01 | .01 | −.06 | −.01 | .01 | .05 |
| Age spacing | −.01 | .03 | −.03 | .01 | .03 | .04 | −.11* | .05 | −.22 | −.14* | .04 | −.27 |
| Older siblings’ residential status |
−.24 | .23 | .09 | −.25 | .22 | −.10 | .06 | .31 | .02 | .08 | .30 | .02 |
| Sex composition (SC) | −.03 | .12 | −.02 | −.32* | .13 | −.22 | −.03 | .16 | −.02 | .37* | .18 | .19 |
| Differentiation (Diff) | −.09 | .08 | .09 | −.24* | .12 | .24 | .16 | .11 | .12 | .34* | .16 | .25 |
| Diff2 | .14* | .07 | .17 | −.10 | .09 | −.12 | .21* | .09 | .18 | .53** | .12 | .47 |
| Diff X SC | .21 | .16 | .15 | −.22 | .21 | −.12 | ||||||
| Diff2 X SC | .54** | .13 | .45 | −.75** | .18 | −.46 | ||||||
| R 2 | .09 | .19 | .09 | .19 | ||||||||
| F for change in R2 | 1.82† | 7.38** | 1.86* | 8.63** | ||||||||
†
p < .10.
*
p < .05.
**
p < .01.