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Table 5 Subscale descriptive statistics and reliability characteristics for modified 23-item knowledge and 23-item engagement scales

From: Validation and refinement of the Stakeholder-driven Community Diffusion Survey for childhood obesity prevention

 

# items

Mean (SD)

α

ICC

WSCV (95% CI)

Analytic sample size, n

-

164

164

14

14

Knowledge

1. Intervention factors

5

3.6 (0.8)

0.87

0.50

0.14 (0.10, 0.21)

2. Roles & resources

7

3.5 (0.7)

0.87

0.86

0.08 (0.05, 0.11)

3. Implementation & sustainability

6

3.5 (0.7)

0.86

0.78

0.09 (0.07, 0.14)

4. Problem

5

4.2 (0.6)

0.87

0.62

0.09 (0.06, 0.13)

Engagement

1. Dialogue & mutual learning

4

3.7 (0.9)

0.88

0.87

0.09 (0.06, 0.13)

2. Flexibility

4

3.9 (0.5)

0.75

0.87

0.07 (0.05, 0.10)

3. Influence & power

4

3.2 (0.9)

0.87

0.95

0.07 (0.05, 0.11)

4. Leadership & stewardship

8

3.8 (0.7)

0.90

0.96

0.03 (0.02, 0.05)

5. Trust & trustworthiness

3

4.0 (0.6)

0.80

0.70

0.08 (0.06, 0.12)

  1. CI confidence interval, ICC intraclass correlation coefficient, SD standard deviation, WSCV within-subject coefficient of variation. ICC estimates were based on multiple observers and two-way mixed-effects models and are commonly interpreted as < 0.40 “poor”; 0.40–0.59 “fair”; 0.60–0.74 “good”; 0.75–1.00 “excellent”. WSCV estimates are interpreted as the average percentage of variation between test and retest scores