Quantifying behavioural determinants of antibiotic prescribing for acute respiratory infections in primary care in Vietnam using linked prescribing and survey data.

Antibiotic prescribing for acute respiratory infections in Vietnamese primary care was almost universal, and most prescribers underestimated their own prescribing levels.

Communication self-efficacy and prior antimicrobial resistance training were associated with prescribing outcomes.

antimicrobial resistance strategies should combine communication-skills training, practical acute respiratory infections management guidance, audit-and-feedback on individual prescribing, and access to diagnostic tools to reduce unnecessary prescribing.