Table 5.
Single-mediator models |
Multiple-mediator models |
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Longitudinal mediation |
Contemporaneous mediation |
Longitudinal mediation |
Contemporaneous mediation |
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Mediator | α | β | Med | α | β | Med | α | β | Med | α | β | Med |
Cons of exercise | √ | √ | ||||||||||
Pros of exercise | √ | √ | ||||||||||
Barriers efficacy | √ | |||||||||||
Performance efficacy | √ | √ | ||||||||||
Cognitive processes of change | √ | √ | ||||||||||
Behavioral processes of change | √ | √ | √ | √ | √ | √ |
α represents the path from the intervention to the proposed mediating variable; β the path from the proposed mediating variable to the outcome variable; Med mediation (αβ)