Table 1. Resource Inputs for Each Type of Service Model.

Variable	Resource Input
Model 1
Time spent managing the switch, minutes	5
Pharmacist costs per hour, £	54.00
Model 1: Patients nonadherent, %	0
Model 1a: Patients nonadherent, %	20
Model 1b: Patients nonadherent, %	40
GP costs per consultation, £	39.23
Model 2
Time spent managing the switch, minutes	5
Pharmacist costs per hour, £	54.00
Practice nurse costs per hour, £	42.00
Pharmacist inhaler counselling, %	25
Practice nurse inhaler counselling, %	75
Proportion of patients nonadherent, %	60
Follow-up appointment, pMDI cohort only, minutes	15
Model 3
Time spent managing the switch, minutes	15
Pharmacist costs per hour, £	54.00
Practice nurse costs per hour, £	42.00
Pharmacist inhaler counselling, %	25
Practice nurse inhaler counselling, %	75
Proportion of patients nonadherent, %	10
Follow-up appointment, pMDI cohort only, minutes	15

Abbreviations: GP, general practitioner; NHS, National Health Service; pMDI, pressurised metered-dose inhaler. All costs are sourced from NHS Unit Costs of Health and Social Care 2019.²⁴