Table 3 Regression analysis results for multiple parallel mediation test

Direct Effects

X

0.301^**

0.057

0.189

0.413

0.248^**

0.060

0.131

0.365

0.082

0.057

− 0.031

0.195

0.513^**

0.038

0.437

0.588

M₁

-

-

-

-

-

-

-

-

0.048

0.041

− 0.034

0.129

M₂

-

-

-

-

-

-

-

-

0.040

0.036

− 0.030

0.110

M₃

-

-

-

-

-

-

-

-

0.035

0.038

− 0.039

0.109

Constant

2.910^**

0.226

2.466

3.354

0.596

0.280

0.047

1.148

1.781^**

0.264

1.261

2.301

0.634^**

0.188

0.263

1.005

R² = 0.081

R² = 0.322

R² = 0.200

R² = 0.442

Indirect Effects

b

SE

LLCI

ULCI

Completely Standardized Indirect Effect Size

X → M₁ → Y

0.014

0.013

− 0.009

0.042

(b = 0.047, %95 BCA CI [0.010–0.090])

X → M₂ → Y

0.010

0.009

− 0.006

0.032

X → M₃ → Y

0.003

0.005

− 0.005

0.016

X → M₁ + M₂ → Y

0.007

0.006

− 0.005

0.018

X → M₁ + M₃ → Y

0.003

0.003

− 0.003

0.010

X → M₂ + M₃ → Y

0.002

0.002

− 0.002

0.007

X →M₁ + M₂ + M₃→ Y

0.001

0.002

− 0.002

0.007