Table 3.
Summary of multiple mediation analyses for the final structural model
| Independent variable | First mediator variable | Second mediator variable | Dependent variable | a path coef | b path coef | c path coef | c’ path coef | d path coef | Mean indirect effect | SE of mean | Bias-corrected 95% CI mean effect |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AM | PBC | INT | DM | .56*** | .40*** | .45** | .13 | .80*** | .18 | .05 | [.09 to .30] |
| CM | Att | INT | DM | .75*** | .37*** | .62*** | .41** | .50*** | .14 | .04 | [.07 to .24] |
AM autonomous motivation for sport, CM controlled motivation for sport, PBC perceived behavioral control related to drive for muscularity, Att attitude related to drive for muscularity, INT intention to gain muscle mass, DM drive for muscularity, a direct effect of the independent variable on the first mediator variable, b direct effect of the second mediator variable on the dependent variable, c indirect effect of the independent variable on the dependent variable through mediator variables, c’ direct effect of the independent variable on the dependent variable, d direct effect of the first mediator variable on the second variable, 95% CI lower and upper bounds of bias-corrected 95% confidence interval with 10,000 bootstrap samples
** p < .01; *** p < .001