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medRxiv PreprintsInternational13 October 2026

Sex Differences in Primary Care Contacts and Recurrent Overdose Risk in British Columbia

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Background: Risk of recurrent overdose is elevated following non-fatal overdose (NFOD) survival; timely interventions may reduce this risk. The specific role of mental health care in reducing recurrence is relatively underexplored, and post-overdose care has seldom been examined for sex differences. This study examined sex differences in the association between mental health-related primary care contacts following NFOD and overdose recurrence risk among people in British Columbia (BC) with a documented depression diagnosis history. Methods: This was a nested case-control study using linked adm
— medRxiv Preprints
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