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Patient-Provider Shared Decision-Making, Trust, and Opioid Misuse Among US Veterans Prescribed Long-Term Opioid Therapy for Chronic Pain.

Somohano VC, Smith CL, Saha S, McPherson S, Morasco BJ, Ono SS, Zaccari B, Lovejoy J, Lovejoy T. Patient-Provider Shared Decision-Making, Trust, and Opioid Misuse Among US Veterans Prescribed Long-Term Opioid Therapy for Chronic Pain. Journal of general internal medicine. 2023 Sep 1; 38(12):2755-2760.

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BACKGROUND: Patient-provider shared decision-making is associated with better treatment adherence and pain outcomes in opioid-specific pain management. One possible mechanism through which shared decision-making may impact pain management outcomes is trust in one''s prescribing provider. Elucidating relationships between factors that enhance the patient-provider relationship, such as shared decision-making and trust, may reduce risks associated with opioid treatment, such as opioid misuse. OBJECTIVE: The purpose of this study was to investigate the mediating effect of trust in one''s prescribing provider on the relationship between shared decision-making and current opioid misuse. DESIGN: A secondary analysis of data from a prospective cohort study of US Veterans (N? = 1273) prescribed long-term opioid therapy (LTOT) for chronic non-cancer pain. PARTICIPANTS: Eligibility criteria included being prescribed LTOT, ability to speak and read English, and access to a telephone. Veterans were excluded if they had a cancer diagnosis, received opioid agonist therapy for opioid use disorder, or evidence of pending discontinuation of LTOT. Stratified random sampling was employed to oversample racial and ethnic minorities and women veterans. MAIN MEASURES: Physician Participatory Decision-Making assessed level of patient involvement in medical decision-making, the Trust in Provider Scale assessed interpersonal trust in patient-provider relationships, and the Current Opioid Misuse Measure assessed opioid misuse. KEY RESULTS: Patient-provider shared decision-making had a total significant effect on opioid misuse, in the absence of the mediator (c? = ?-?0.243, p? < 0.001), such that higher levels of shared decision-making were associated with lower levels of reported opioid misuse. When trust in provider was added to the mediation model, the indirect effect of shared decision-making on opioid misuse through trust in provider remained significant (c''? = ?-?0.147, p? = 0.007). CONCLUSIONS: Shared decision-making is associated with less prescription opioid misuse through the trust that is fostered between patients and providers.

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