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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)