Table 2.

Mediation analysis: paths’ coefficients and p-values

MediatorPathRegressionβ coefficientt-Test for paths: a, b, c and c’ Sobel z-test for total (a × b)p-Value
CA1cRS → RD0.34334.00390.0001*
aRS → CA1−0.0146−0.15980.8733
bCA1 → RD0.10071.17620.2419
c′RS → RD0.34484.02710.0001*
Total (a × b)na−0.00150.15830.8742
CA2cRS → RD0.34334.00390.0001*
aRS → CA20.03810.64650.6766
bCA2 → RD0.04590.53320.5949
c′RS → RD0.34153.96880.0001*
Total (a × b)na0.00180.41130.6808
CA3cRS → RD0.34334.00390.0001*
aRS → CA3−0.0140−0.15360.8782
bCA3 → RD−0.0934−1.09000.2779
c′RS → RD0.34203.99150.0001*
Total (a × b)na0.00130.15210.8791
CA4cRS → RD0.34334.00390.0001*
aRS → CA4−0.0262−0.28760.7741
bCA4 → RD−0.1759−2.07780.0398**
c'RS → RD0.33874.00310.0001*
total (a*b)na0.00460.28490.7757
DPcRS → RD0.34334.00390.0001*
aRS → DP0.03800.41630.6779
bDP → RD−0.1380−1.61870.1082
c'RS → RD0.34854.08950.0001*
total (a*b)na−0.00520.40320.6868

Notes:

*Significant at the level of p < 0.001; **significant at the level of p < 0.05

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