Skip to main content

Table 3 Mediational path analyses and Sobel test

From: A biopsychosocial-cultural model for understanding oral-health-related quality of life among adolescent orthodontic patients

 DVIVβR2ΔR2
PSPS-parents — PACS — PIDAQ  R2 (PSPS-parents) 
Step 1: Linear regressionPACSPSPS-parents.28***  
Step 2: Linear regressionPIDAQPSPS-parents.36***.13 
Step 3: Linear regressionPIDAQPSPS-parents + PACS.32*** + .16***.100.03
Step 4: Sobel test  z = 3.04, p = .002
PSPS-peers — PACS — PIDAQ  R2 (PSPS-peers) 
Step 1: Linear regressionPACSPSPS-peers.21***  
Step 2: Linear regressionPIDAQPSPS-peers.31***.10 
Step 3: Linear regressionPIDAQPSPS-peers + PACS.27*** + .19***.070.03
Step 4: Sobel test  z = 3.35, p < .001  
PSPS-media — PACS — PIDAQ  R2 (PSPS-media) 
Step 1: Linear regressionPACSPSPS-media.19***  
Step 2: Linear regressionPIDAQPSPS-media.21***.04 
Step 3: Linear regressionPIDAQPSPS-media + PACS.17*** + .21***.030.01
Step 4: Sobel test  z = 2.34, p = .019  
  1. DV Dependent variable, IV Independent variable
  2. ***p < 0.001