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Fig. 2 | BMC Public Health

Fig. 2

From: Is patient activation a mediator of the effect of a health promoting intervention in adults at high risk of type 2 diabetes? A longitudinal path model analysis within a randomised trial

Fig. 2

Autoregressive mediation model showing the a, b and paths. The a paths represent the association between the intervention and PAM (the action theory); The b paths represent the association between PAM and the outcomes (the conceptual theory); All paths including ≥1 PAM measure contribute to the calculation of the mediated effects. The paths represents the intervention effect on the outcomes adjusted for PAM. All paths from intervention to outcomes not via PAM contribute to the calculation of the unmediated effects. At baseline residual covariance between all mediators and outcome. For each mediator and the outcome residual covariance over time. PAM: Patient Activation Measure; OC: Outcome

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