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New research · Family Medicine
Journal of global antimicrobial resistance · 1d
Cross-sectionalJournal of global antimicrobial resistance · 2026

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

Duy Minh Vu, Tung Son Trinh, Dung Tien Viet Vu … Sonia Lewycka
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Family MedicineCross-sectional

Prior antimicrobial resistance training is associated with lower overall antibiotic prescribing.

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

Duy Minh Vu et al. · Journal of global antimicrobial resistance · 2026
Purpose

To quantify associations between behavioural determinants and antibiotic prescribing practices for acute respiratory infections (ARIs) in primary care in Vietnam.

Methods

We linked routine prescribing records with a cross-sectional prescriber survey from 112 commune health centres in northern Vietnam.

aOR 0.34
Results
Prior antibiotic resistance training was linked to lower overall antibiotic prescribing
More results

Antibiotics were prescribed in 97.8% of visits, and 76.2% of survey respondents underestimated their own proportions.

Limited access to diagnostics (42.5%) and near-weekend consultations (27.6%) were commonly reported drivers of unnecessary prescribing.

Ten TDF domains were represented.

More results

For Watch antibiotics, confidence in refusing antibiotic requests (aOR 0.46, 0.25 - 0.83) and answering patient questions (aOR 0.47, 0.25 - 0.89) were associated with lower prescribing.

“
Conclusion · 1 of 2

Antibiotic prescribing for ARIs in Vietnamese primary care was almost universal, and most prescribers underestimated their own prescribing levels. Communication self-efficacy and prior AMR training were associated with prescribing outcomes.

Conclusion · 2 of 2

AMR strategies should combine communication-skills training, practical ARI management guidance, audit-and-feedback on individual prescribing, and access to diagnostic tools to reduce unnecessary prescribing.

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