Table 2.

Process evaluation data collection

Process evaluation data collection	Focus of questioning/data collection
Resident (with and without capacity) and/or family carer interviews at 6 weeks (n = 20)	Experiences, impact and acceptability
Resident (with and without capacity) and/or family carer interviews at 12 weeks (n < 20)	Experiences of incontinence, impact and acceptability of TPTNS
CH nurses/senior carer focus group interviews at 4–6 months (n = 20, number of participants 60–100)	Organisation and care home provision of continence care and influencing factors
CH nurses/senior carer individual interviews at 4–6 months (n < 20)	Organisation and care home provision of continence care and influencing factors
CH managers individual telephone interviews (n = 20)	Care home culture, management values, perceived impact of continence intervention at the organisational level, economic effects. Strategic considerations for implementation, rollout and sustainability
Fidelity to group allocation monitoring	Digital photographs of electrode position and stimulation diaries completed by staff
Adherence to stimulation programme	Objective recording of stimulation time and average intensity and stimulation diaries completed by staff
24-h bladder diaries	Patterns of voiding and toilet use