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Table 3 Mean impact scores for projects with impact (n = 19)

From: Does health intervention research have real world policy and practice impacts: testing a new impact assessment tool

Corroboration Attribution Reach Importance Impact score groups
Mean* 95% CI Mean* 95% CI Mean* 95% CI Mean* 95% CI
4.6 (3.5–5.7) 6.0 (5.1–6.9) 3.1 (2.3–3.9) 2.4 (1.7–3.2) Low
5.0 (4.2–5.8) 5.0 (4.3–5.7) 4.9 (4.4–5.4) 4.7 (4.0–5.3) Low
3.2 (2.8–5.5) 3.0 (2.5–3.5) 3.3 (2.7 – 4.0) 3.6 (2.6–4.5) Low
3.0 (2.3–3.7) 2.8 (1.9–3.5) 3.2 (2.5–3.8) 2.8 (1.9–3.6) Low
5.3 (4.0–6.6) 3.3 (2.6–3.9) 2.9 (1.9–3.9) 3.1 (1.8–4.3) Low
4.3 (3.1–5.6) 4.8 (3.5–6.0) 3.1 (2.3–3.9) 3.2 (2.5–3.9) Low
5.8 (4.8–6.8) 6.3 (5.6–6.9) 4.4 (3.9–4.9) 4.4 (3.7–5.2) Medium
4.1 (3.5–4.7) 5.7 (4.7–6.8) 4.8 (4.2–5.4) 5.4 (4.3–6.4) Medium
7.1 (6.5–7.7) 7.3 (6.5–8.0) 4.7 (3.9–5.5) 4.8 (3.7–6.0) Medium
6.0 (5.3–6.7) 5.8 (5.0–6.5) 6.5 (5.6–7.4) 5.0 (4.2–5.8) Medium
5.3 (4.4–6.1) 5.5 (4.5–6.5) 5.2 (4.4–5.9) 6.0 (5.2–6.8) Medium
7.3 (6.5–8.2) 6.7 (6.7–7.7) 4.0 (3.53-4.5) 4.3 (3.6–4.9) Medium
6.6 (5.7–7.8) 5.2 (4.3–6.0) 5.2 (4.4–5.92) 4.4 (4.0–4.8) Medium
7.9 (7.3–8.5) 7.8 (7.9–8.3) 6.3 (5.9–6.6) 7.2 (6.5–7.8) High
6.8 (6.2–7.4) 7.2 (6.5–7.8) 5.8 (4.9–6.6) 6.4 (5.7–7.2) High
7.4 (6.6–8.2) 7.6 (6.9–8.3) 7.3 (6.6–7.9) 6.3 (5.5–7.2) High
6.5 (5.8–7.2) 6.1 (5.3–6.9) 6.0 (5.1–6.9) 6.5 (5.7–7.3) High
8.3 (7.8–8.7) 7.6 (7.2–8.0) 7.1 (6.5–7.7) 7.0 (6.3–7.6) High
7.1 (6.5–7.6) 6.7 (5.9–7.4) 6.1 (5.5–6.7) 5.8 (4.9–6.6) High
  1. *12 raters. CI, Confidence interval.