Table 3 Association between trial characteristics, KT strategies and trial impacts
Characteristic | Category level | At least one impact (n = 66) n (%) or mean (SD) | Unadjusted OR (95% CI) | Adjusted OR (95% CI)a | p-value from adjusted model |
|---|---|---|---|---|---|
Trial effectiveness | Lacks evidence of effectiveness | 6 (55%) | 0.57 | ||
Effective | 43 (62%) | 1.38 (0.38, 4.97) | 0.99 (0.19, 5.12) | ||
Potentially effective | 17 (77%) | 2.83 (0.60, 13.35) | 1.98 (0.28, 13.93) | ||
Risk of bias | High risk or unclear | 44 (67%) | 0.64 | ||
Low risk | 22 (61%) | 0.79 (0.34, 1.83) | 1.31 (0.43, 4.01) | ||
Setting | Community and worksites | 9 (41%) | 0.056 | ||
Medical and other | 8 (67%) | 2.89 (0.66, 12.57) | 3.03 (0.49, 18.75) | ||
Education | 49 (72%) | 3.73 (1.37, 10.14) | 5.03 (1.34, 18.83) | ||
Health behaviour | Nutrition and physical activity | 35 (61%) | 0.89 | ||
Sexual risk and substance use | 31 (69%) | 1.39 (0.61, 3.18) | 1.07 (0.40, 2.88) | ||
Total KT score | 4.49 (2.04) | 1.25 (1.00, 1.56) | 1.30 (1.02, 1.66) | 0.031* | |
Individual domain scores | |||||
Involvement of end-users | 43.4 (22.8) | 1.01 (0.99, 1.03) | |||
Adapt knowledge to the local context | 66.6 (26.9) | 1.00 (0.99, 1.02) | |||
Assess barriers to knowledge use | 61.3 (30.0) | 1.01 (0.99, 1.02) | |||
Support to tailor and implement interventions | 76.0 (24.0) | 1.02 (1.00, 1.03)* | |||
Evaluate outcome and monitor knowledge use | 68.7 (20.1) | 1.02 (1.00, 1.04) | |||
Products and tools | 59.5 (20.3) | 1.05 (1.02, 1.08)* | |||
Sustain knowledge use | 69.8 (20.6) | 1.02 (1.00, 1.03) | |||