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Table 1 RCT characteristics and numbers of study participants and interviews

From: Clear obstacles and hidden challenges: understanding recruiter perspectives in six pragmatic randomised controlled trials

RCT code

Clinical context

RCT type

Clinical centres

Interventions

Specialties involved

Primary recruiters

Doctors, CIs or TMG

Nurses

Follow-up interviews

Total number of interviews

n

n

n

n

n

T1

Cancer

Feasibility

5

Surgery or radiotherapy

Surgery and oncology

Doctors and nurses

3

 

3 (1 group)

6

T2

Primary care and cancer

Main

28

Multiple follow-up strategies

Primary care and oncology

Doctors and nurses

3

3

3 (1 group)

9

T3

Primary care and infection

Main

1 area (multiple locations)

Drug x, drug y, drug x + y

Primary care and paediatrics

Nurses

2

2

 

4

T5

Mental health and community care

Main

2 areas (multiple locations)

Specific support or usual care

Psychiatry, community mental services

Nurses and others

3

22 (2 groups)

2 (1 group)

27

T6

Cancer

Feasibility and main

9

Surgery, radiotherapy, monitoring

Surgery and oncology

Doctors and nurses

13

10 (1 group)

7

30

T7

Cancer

Feasibility

22

Chemotherapy with surgery or with radiotherapy

Oncology and surgery

Doctors

8

3

 

11

Total numbers of interviews

32

40

15

87

  1. CI: Chief investigator; TMG: Trial management group.