After-hours consultations and antibiotic prescribing for self-limiting upper respiratory tract infections in primary-care practices.

Publisher:
Cambridge University Press
Publication Type:
Journal Article
Citation:
Infection Control and Hospital Epidemiology, 2023, 45, (5), pp. 755-761
Issue Date:
2023-07-07
Full metadata record
OBJECTIVES: To determine the association between after-hours consultations and the likelihood of antibiotic prescribing for self-limiting upper respiratory tract infections (URTIs) in primary care practices.DESIGN: A cross-sectional analysis using Australian national primary-care practice data (MedicineInsight) between February 1, 2016 and January 31, 2019.SETTING: Nationwide primary-care practices across Australia.PARTICIPANTS: Adult and pediatric patients who visited primary care practices for first-time URTIs.METHODS: We estimated the proportion of first-time URTI episodes for which antibiotic prescribing occurred on the same day (immediate prescribing) using diagnoses and prescription records in the electronic primary-care database. Adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for the likelihood of antibiotic prescribing by the time of primary care visits were calculated using generalized estimating equations.RESULTS: Among 357,287 URTI episodes, antibiotics were prescribed in 172,605 episodes (48.3%). After adjusting for patients' demographics, practice characteristics, and seasons, we detected a higher likelihood of antibiotic prescribing on weekends compared to weekdays (OR, 1.42; 95% CI, 1.39-1.45) and on national public holidays compared to nonholidays (OR, 1.23; 95% CI, 1.17-1.29). When we controlled for patient presentation and diagnosis, the association between antibiotic prescribing and after-hours consultations remained significant: weekend versus weekdays (OR, 1.37; 95% CI, 1.33-1.41) and holidays versus nonholidays (OR, 1.10; 95% CI, 1.03-1.18).CONCLUSIONS: Primary-care consultations on weekends and public holidays were associated with a higher likelihood of immediate antibiotic prescribing for self-limiting URTIs in primary care. This finding might be attributed to lower resourcing in after-hours health care.
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