Adherence to medication is associated with non-planning impulsivity in euthymic bipolar disorder patients

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Belzeaux, Raoul | Boyer, Laurent | Mazzola-Pomietto, Pascale | Michel, Pierre | Correard, Nadia | Aubin, Valerie | Bellivier, Frank | Bougerol, Thierry | Olie, Emilie | Courtet, Philippe | Etain, Bruno | Gard, Sébastien | Kahn, Jean-Pierre | Passerieux, Christine | Leboyer, Marion | Henry, Chantal | Azorin, Jean-Michel

Edité par CCSD ; Elsevier -

International audience. Background: Adherence to medication is a major issue in bipolar disorder. defined as a lack of future orientation, has been demonstrated to be the main impulsivity domain altered during euthymia in bipolar disorder patients. It was associated with comorbidities. Methods: To investigate relationship between adherence to medication and non-planning impulsivity, we included 260 euthymic bipolar patients. Adherence to medication was evaluated by Medication Adherence Rating Scale and non-planning impulsivity by Barrat Impulsiveness Scale. Univariate analyses and linear regression were used. We conducted also a path analysis to examine whether non-planning impulsivity had direct or indirect effect on adherence, mediated by comorbidities. Results: Adherence to medication was correlated with non-planning impulsivity, even after controlling for potential confounding factors in linear regression analysis (Beta standardized coefficient¼ 0.156; p¼ 0.015). Path analysis demonstrated only a direct effect of non-planning impulsivity on adherence to medication, and none indirect effect via substance use disorders and anxiety disorders. Limitations: Our study is limited by its cross-sectional design and adherence to medication was assessed only by self-questionnaire.

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