Table 3.
Moderation analysis of the interaction between the negative LES score and the presence of sleep disturbance (Poor Sleeper vs. Good Sleeper)
| Predictor | BIS |
BAI |
BDI |
||||||
|---|---|---|---|---|---|---|---|---|---|
| B | p | 95% CI | B | p | 95% CI | B | p | 95% CI | |
| Negative LES (X) | 0.33 | 0.031 | 0.03, 0.63 | 0.63 | <0.001 | 0.41, 0.85 | 0.62 | <0.001 | 0.42, 0.82 |
| Sleep disturbance (W) | -0.34 | 0.815 | -3.21, 2.53 | -4.33 | 0.001 | -6.48, -2.19 | -5.57 | <0.001 | -7.50, -3.64 |
| X×W | -0.66 | 0.044 | -1.31, -0.02 | -0.32 | 0.194 | -0.80, 0.16 | -0.55 | 0.014 | -0.98, -0.11 |
Poor Sleepers are defined as Pittsburgh Sleep Quality Index score>5, Good Sleepers as≤5. Negative LES: negative Life Experience Survey, BIS: Barratt’s Impulsivity Scale, BAI: Beck Anxiety Inventory, BDI: Beck Depression Inventory