Skip to main content

Table 3 Bootstrap test of mediation

From: Protection motivation theory and smoking quitting intention: findings based on structural equation modelling and mediation analysis

Bootstrap test Total effect Direct effect Indirect effect Proportion of total effect
that is mediated
Mediating effect of response efficacy
Model 1: Self-efficacy → Coping appraisal 0.626** 0.502** 0.124** 19.80%
Model 2: Self-efficacy → Coping appraisal 0.630** 0.505** 0.125** 19.84%
Mediating effect of extrinsic rewards
Model 1: Intrinsic rewards → Threat appraisal -0.480** -0.277** -0.203** 42.29%
Model 2: Intrinsic rewards → Threat appraisal -0.476** -0.272** -0.204** 42.86%
  1. **p < 0.01
  2. Model 1-we only included the independent variable, dependent variable and mediating variable in the model
  3. Model 2-In addition to the independent, dependent and mediating variables, we also included control variables (age, sex and life satisfaction) in the model