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Table 4 Summary of characteristics of included studies (n = 55)

From: Methods used to address fidelity of receipt in health intervention research: a citation analysis and systematic review

Study characteristic n (%) n (%)
Design*
 RCT 16 (29.1) Quasi-experimental 3 (5.5)
 Cluster RCT 12 (38.2) Case study 1 (1.8)
 Pilot/feasibility 15 (27.3) Controlled 1 (1.8)
 Pre-post design 2 (3.6) Unclear 5 (9.1)
Intervention recipients
 People with health conditions 17 (30.9) Employees/workers 5 (9.1)
 Family/informal carers 6 (10.9) Care home staff and residents 2 (3.6)
 Children/Adolescents 9 (16.4) Ethnic minority women 1 (1.8)
 Healthcare staff 9 (16.4) Smokers (adults and adolescents) 2 (3.6)
 Restaurant customers 1 (1.8) Families 2 (3.6)
 People in weight management classes 1 (1.8)   
Intervention deliverers
 Nurses 10 (18.2) Counsellor/psychologist 2 (3.6)
 Allied Health Care professional 7 (12.7) Academics 2 (3.6)
 Organisations (NHS/research council) 2 (3.6) Teachers 1 (1.8)
 Healthcare staff 5 (9.1) Teachers and Peers 1 (1.8)
 Social worker 1 (1.8) Music therapist 1 (1.8)
 Multi-disciplinary team 1 (1.8) Specialist Trainers 1 (1.8)
 Peers 2 (3.6) Health educators 1 (1.8)
 Exercise trainer/physiologist 2 (2.6) Graduate nurses OR social workers 1 (1.8)
 Intervention programme staff 1 (1.8) Health educator + teacher 1 (1.8)
 Team leaders 1 (1.8) Unclear 12 (21.8)
Level of delivery
 Individual 25 (45.5) Group 19 (35.1)
 Both individual and group 3 (5.5) Unclear 8 (14.5)
Mode of delivery
 Face to face only 28 (69.1) Telephone 1 (1.8)
 Online (Internet) 2 (3.6) Telehealth 1 (1.8)
 Text messaging 1 (1.8) Unclear/missing 5 (9.1)
 Mixture 7 (12.7)   
  1. Note: *The design is of the study the fidelity assessment is part of, and not the design used to address fidelity