Table 3.
Hierarchical regression of psychological distress on health, demographic, and sleep characteristics and the interaction between poor sleep and resilience factors (N = 1117).
| Block | Predictor variable | B | SE (B) | β | Adj R2 | ΔR2 | F | p |
|---|---|---|---|---|---|---|---|---|
| Block 1 | 0.125 | 0.128 | 40.5 | < 0.001 | ||||
| Age | −0.008 | 0.001 | −0.180* | |||||
| Gender | −0.067 | 0.034 | −0.056 | |||||
| Race (reference: White) | −0.012 | 0.026 | −0.014* | |||||
| Health status | 0.092 | 0.007 | 0.372 | |||||
| Block 2 | 0.152 | 0.028 | 40.9 | < 0.001 | ||||
| Age | −0.006 | 0.001 | −0.146* | |||||
| Gender | −0.030 | 0.034 | −0.026 | |||||
| Race (reference: White) | −0.042 | 0.026 | −0.045 | |||||
| Health status | 0.090 | 0.007 | 0.363* | |||||
| Combat exposure | 0.009 | 0.001 | 0.177* | |||||
| Block 3 | 0.312 | 0.159 | 84.7 | < 0.001 | ||||
| Age | −0.006 | 0.001 | −0.131* | |||||
| Gender | −0.044 | 0.031 | −0.037 | |||||
| Race (reference: White) | −0.003 | 0.024 | −0.003 | |||||
| Health status | 0.061 | 0.007 | 0.007* | |||||
| Combat exposure | 0.006 | 0.001 | 0.001* | |||||
| PSQI total score | 0.048 | 0.003 | 0.003* | |||||
| Block 4 | 0.431 | 0.120 | 106.0 | < 0.001 | ||||
| Age | −0.004 | 0.001 | −0.101* | |||||
| Gender | −0.029 | 0.028 | −0.024 | |||||
| Race | 0.003 | 0.022 | 0.004 | |||||
| Health status | 0.056 | 0.006 | 0.227* | |||||
| Combat exposure | 0.007 | 0.001 | 0.134* | |||||
| PSQI total score | 0.039 | 0.003 | 0.334* | |||||
| Resilience: Adaptability | −0.023 | 0.003 | −0.225* | |||||
| Resilience: Self-efficacy | −0.016 | 0.004 | −0.126* | |||||
| Block 5 | 0.452 | 0.023 | 84.3 | < 0.001 | ||||
| Age | −0.005 | 0.001 | −0.104* | |||||
| Gender | −0.026 | 0.028 | −0.0224 | |||||
| Race | 0.002 | 0.022 | 0.002 | |||||
| Health status | 0.055 | 0.006 | 0.221* | |||||
| Combat exposure | 0.006 | 0.001 | 0.127* | |||||
| PSQI total score | 0.147 | 0.014 | 1.272* | |||||
| Resilience: Adaptability | −0.005 | 0.006 | −0.055 | |||||
| Resilience: Self-Efficacy | −0.003 | 0.009 | −0.026 | |||||
| Sleep × Adaptability | −0.003 | 0.001 | −0.718** | |||||
| Sleep × Self-Efficacy | −0.004 | 0.001 | −0.505** | |||||
| Sleep × Adaptability × Self-Efficacy | 0.00006 | 0.000 | 0.306 |
p < 0.05,
p < 0.001