Table 2.
Mediation model of trauma predicting depression and anxiety via mediation through sleep.
| Measurement Model | B | SE | Z | P | Beta | |
|---|---|---|---|---|---|---|
| Sleep | Sleep Hours | 1.00 | 0.94 | |||
| Sleep Onset Latency | −2.66 | 0.79 | −3.37 | 0.00 | −0.30 | |
| Nighttime Awakening | −0.62 | 0.17 | −3.77 | 0.00 | −0.34 | |
| Structural Model | ||||||
| Outcome | Predictor | |||||
| Sleep | Trauma | −0.32 | 0.04 | −9.09 | 0.00 | −0.64 |
| Anxiety | Trauma | 0.96 | 0.45 | 2.15 | 0.03 | 0.25 |
| Depression | Trauma | 0.47 | 0.17 | 2.81 | 0.01 | 0.30 |
| Anxiety | Sleep | −5.09 | 1.28 | −3.98 | 0.00 | −0.64 |
| Depression | Sleep | −1.64 | 0.45 | −3.65 | 0.00 | −0.52 |
| Indirect and Total Effects | ||||||
| Indirect Effect 1 (Anxiety) | −4.87 | 1.29 | −3.78 | 0.00 | −0.16 | |
| Indirect Effect 2 (Depression) | −0.76 | 0.15 | −5.25 | 0.00 | −0.16 | |
| Total Effect 1 | −5.18 | 1.28 | −4.04 | 0.00 | −0.80 | |
| Total Effect 2 | −1.08 | 0.15 | −7.40 | 0.00 | −0.80 | |
Fit indices: X2 (5143) = 9.24, p = 0.1; CFI = 0.99; Root Mean Square Error of Approximation (RMSEA) = 0.077 (90% CI: 0.00, 0.154); Standardized Root Mean Residual (SRMR) = 0.03. Path diagram of trauma. predicting depression/anxiety via sleep. B = Unstandardized beta; SE = Standard Error; Z = Z-scores; P = p-values.