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Simple mediation analysis for the relationship between sleep disturbances and processing speed
|
Mediating variable (M)
|
Independent variable (X)
|
Dependent variable (Y)
|
X→M
|
M→Y
|
Indirect effect1
|
Direct effect1
|
| Retardation | Sleep disturbances | Processing speed | 0.204a | -0.105b | -0.021 [-0.051, -0.002]1 | -0.075 [-0.150, 0.0001] |
P < 0.05.
P < 0.01.
Significant point estimates (P < 0.05) as determined by the exclusion of zero from the confidence interval.
