Table 4 When to add RFU according to participants

• Older adults

• Antibiotics for paediatric patients

• Polypharmacy

• Unusual dose or indication

• Persons who need supports to take medications

• As needed (PRN) medications

• Medications for acute conditions

• Treatment for sensitive illnesses (e.g. sexually transmitted infections [STIs], psychiatric medications)

• Adding RFU increases patient’s anxiety

• Could affect patient’s likelihood of taking the medication

• Off-label prescribing