Table 5.
Linear contrasts for between groups moderation effects
| Outcome variable | n | Assessment | Clinically Significant | Non-Clinically Significant | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Contrast estimate (b) | SE | Z | p | Effect size (Cohen’s d) | Contrast estimate (b) | SE | Z | p | Effect size (Cohen’s d) | |||
| PSI | 223 | Mid-test | −1.05 | 3.50 | −0.30 | 0.765 | 0.05 | −2.92 | 4.53 | −0.64 | 0.520 | 0.13 |
| 236 | Post-test | −3.24 | 3.38 | −0.96 | 0.338 | 0.14 | −7.79 | 4.34 | −1.79 | 0.073 | 0.35 | |
| 208 | Six mo f/u | −9.94 | 3.47 | −2.86 | 0.004** | 0.44 | −3.23 | 4.46 | −0.72 | 0.470 | 0.14 | |
| CESD | 224 | Mid-test | −0.00 | 2.45 | −0.00 | 0.999 | 0.00 | 2.53 | 2.63 | 0.96 | 0.335 | 0.22 |
| 245 | Post-test | −4.50 | 2.37 | −1.90 | 0.058 | 0.40 | 2.83 | 2.58 | 1.10 | 0.272 | 0.25 | |
| 207 | Six mo f/u | −5.36 | 2.46 | −2.18 | 0.029* | 0.47 | −0.43 | 2.61 | −0.16 | 0.870 | 0.04 | |
PSI = Parenting Stress Index full scale; CESD = Center for Epidemiological Studies Depression Scale
p<0.05
p<0.01
p <0.001