Table 2. Overall themes and subthemes.

Theme	Subthemes
Impaired diagnostic capacity	1.1 Influence on diagnostic certainty 1.2 Patient familiarity impacted diagnostic confidence
Strategies to improve diagnostic acuity	2.1 Patient self-examination 2.2 Visual cues 2.3 Practitioner skills
Management of clinical uncertainty	3.1 Refer for in-person assessment 3.2 Overinvestigate 3.3 Overtreat
Changes to antibiotic prescription decision-making	4.1 Mixed effect on decision-making 4.2 Delayed prescribing 4.3 Patient demand for antibiotics
Perceptions about other GPs’ antibiotic prescribing
Supervisor beliefs about their registrars