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Table 1 Participant demographics

From: Surveying knowledge, practice and attitudes towards intervention fidelity within trials of complex healthcare interventions

Variable

Mean ± SD (range)

Age (years)

40.63 ± 11.03

Years of research experience total

11.73 ± 8.67

Years of research experience specific to trials of complex healthcare interventions

7.32 ± 6.75 (18–73)

Variable

N (%)

Gender

 Female

203 (76.9)

 Male

60 (22.7)

 Prefer not to say

1 (0.4)

Country

 Republic of Ireland

91 (34.5)

 England

66 (25.9)

 Scotland

31 (11.7)

 Canada

31 (11.7)

 Australia

11 (4.2)

 Wales

8 (3.0)

 Northern Ireland

6 (2.3)

 USA

5 (1.9)

 Denmark

4 (1.5)

 Norway

3 (1.1)

 The Netherlands

2 (0.8)

 Switzerland

1 (0.4)

 Ethiopia

1 (0.4)

 South Africa

1 (0.4)

 Italy

1 (0.4)

 Prefer not to say

2 (0.8)

Level of qualification

 PhD

127 (48.1)

 Masters degree

88 (33.3)

 Undergraduate degree

38 (14.4)

 MD

9 (3.4)

 None

1 (0.4)

 Prefer not to say

1 (0.4)

Area of research

 Multidisciplinary (any combination of categories)

116 (43.6)

 Medical

43 (16.2)

 Allied health professionals

29 (10.9)

 Health services research

21 (7.9)

 Medical and health professionals (i.e. any combination of Medical, Nursing and Allied health)

16 (6)

 Nursing/midwifery

14 (5.3)

 Psychology

11 (4.1)

 Public health

8 (3)

 Public health and health services research

5 (1.9)

 Other

3 (1.1)

Level of involvement with trials

 Researcher

174 (65.9)

 Principal investigator

78 (29.5)

 Research practitioner

52 (19.7)

 Trial methodologist

42 (15.9)

 Student

37 (14.0)

 Practitioner

27 (10.2)

 Manager/co-ordinator

23 (8.7)

 Epidemiologist

9 (3.4)

 Statistician

3 (1.1)

 Other

11 (4.2)

Aspect of trials involvement

 Data collection

237 (89.8)

 Design/development

201 (76.1)

 Reporting

194 (73.5)

 Data analysis

177 (67.0)

 Delivering the intervention

159 (60.2)

 Other

12 (4.5)

Previous training/research in intervention fidelity

 Never received any formal or informal training

137 (51.7)

 Informal self-directed research

83 (31.6)

 Formal teaching (e.g. lectures, seminars)

24 (9.1)

 Formal research (e.g. PhD, MSc)

20 (7.6)

 Unsure

1 (0.4)