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