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Table 1 Characteristics of the reference trials undertaken by participating authors

From: Increased use of knowledge translation strategies is associated with greater research impact on public health policy and practice: an analysis of trials of nutrition, physical activity, sexual health, tobacco, alcohol and substance use interventions

Characteristics of trial

n = 104 (%)

Year published range 2007–2016 (mean, SD)

2010 (2.47)

Study design

 RCT

86 (83)

 Other controlled trial

18 (17)

Health risk targeted

 Nutrition

13 (13)

 Physical activity

22 (21)

 Physical activity and nutrition

22 (21)

 Sexual health

15 (14)

 Smoking

12 (12)

 Substance use (including substance use and another health behaviour)

20 (19)

Setting

 Community

15 (14)

 Education

70 (67)

 Medical

9 (9)

 Worksites

7 (7)

 Other

3 (3)

Country

 Europe

34 (33)

 North America

35 (34)

 Oceania

18 (17)

 Other

17 (16)

Effective intervention

71 (68)

Potentially effective

22 (21)

Lacks evidence of effectiveness

11 (11)

Risk of bias

 Low risk of bias

37 (36)

 High risk of bias

30 (29)

 Unclear risk of bias

37 (36)

Funding

 Government

78 (75)

 Nongovernmental

15 (14)

 Not reported

11 (11)