TABLE 5.
Hierarchical Regression: Variance of Maternal Psychological Distress Conjointly Explained by Four Significant Coping Strategies, Controlling for Sociodemographic Variables, Infant Medical Risk, and Social Support
| Step | Predictor Variables | βa | t | R2 Changeb | F Change | Total Adj. R2c |
|---|---|---|---|---|---|---|
| 1 | Sociodemographic | .02 | 1.05 | .001 | ||
| variables | ||||||
| Multiple birth | .03 | 0.51 | — | — | — | |
| Race | −.02 | −0.22 | — | — | — | |
| Social class | −.01 | −0.21 | — | — | — | |
| 2 | HR VLBW | .16 | 2.39* | .03 | 6.15* | .03 |
| 3 | LR VLBW | −.02 | −0.26 | .01 | 0.97 | .03 |
| 4 | Social support | −.36 | 5.31*** | .19 | 48.09*** | .22 |
| 5 | Maternal coping | .09 | 6.42*** | .30 | ||
| Avoidant | .18 | 2.71* | — | — | — | |
| Express emotions | .23 | 3.76*** | — | — | — | |
| Humor | −.13 | −2.01* | — | — | — | |
| Religion | −.03 | −0.44 | — | — | — |
Note. HR = high risk; VLBW = very low birth weight; LR = low risk.
a
Standardized regression coefficient of variable in full model (i.e., at Step 5).
b
Variance explained by variables at entry.
c
Cumulative variance explained at each step.
*
p < .05.
***
p < .001.