Table 2.
Unstandardised regression coefficients (standard error) for mediation models
| Model | Independent variable (IV) | Mediator (M) |
Dependent variable (DV) | Effect of IV on M | Effect of M on DV | Indirect Effect | Total Effects | Direct Effect of IV on DV |
|---|---|---|---|---|---|---|---|---|
| 1. | Perceived social support | Negative appraisals | Acute PTS | −0.29 (0.13)* | 0.48 (05)** | −0.14 (0.06)a | −0.23 (0.08)* | −0.09 (0.06) |
| 2. | Perceived social support | Adaptive appraisals | Acute PTS | 0.43 (0.08)** | −0.58 (0.13)** | −0.25 (0.08)a | −0.27 (0.09)* | −0.03 (0.11) |
| 3. | Perceived social support | Negative appraisals | Acute PTS | −0.37 (0.15)* | 0.44 (0.06)** | −0.16 (0.07)a | −0.27 (0.09)* | −0.06 (0.07) |
| Perceived social support | Adaptive appraisals | Acute PTS | 0.43 (0.08)** | −0.13 (0.11) | −0.05 (0.04) | |||
| 4. | Perceived social support | Negative Appraisals |
PTSD severity at follow-up | −0.40 (0.14)* | 0.31 (0.09)** | −0.12 (0.08)a | −0.10 (0.12) | 0.02 (0.12) |
| 5. | Perceived social support | Adaptive appraisals | PTSD severity at follow-up | 0.47 (0.08)** | . − 0.32 (19) | −0.01 (0.01) | −0.13 (0.13) | 0.02 (0.16) |
a 95 % bias corrected confidence interval does not span zero. PTS posttraumatic stress, measured using the Child Posttraumatic Stress Scale (Foa et al. 2001); PTSD Posttraumatic stress disorder. PTSD severity measured using the Clinician Administered PTSD Scale (Nader et al. 1994)
*p < .05; ** p < .001