“…Lack of staff expertise, knowledge, skill or confidence supporting cessation 20,28,21,23,25,34,27 Cost of nicotine replacement therapy (NRT) 19,20 Lack of staff time and capacity within their existing workload 18,32,19,25,34 Lack of external referral options 23 Access to NRT and integration with primary care services 25 Belief services users were not interested in quitting 17, 19-21, 29, 25 Time required to deliver intervention 10 Lack of resources and tobacco-related programs for clients 29,34,27 Cost of external tobacco treatments 23 Timing of when support was provided, specifically, service users having to be 'stable' for intervention to be effective 19 View that support would be better provided by other expert agencies 32,19,10 Intervention difficult to deliver 10 Lack of training 32,22 Cessation support perceived as a low priority (or not their role) 32,22,31 Extended periods between receiving training and delivering intervention 25 Lack of organisational support 28,34…”