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Table 3 Confirmatory factor analysis model fit for proposed and modified knowledge and engagement scales (n=164)

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

 

Knowledge

Engagement

Proposed 5-factor model

Modified 4-factor modelb

Proposed 5-factor model

Modified 5-factor model

# items

25

23

28

23

Fit criteriaa

 χ2 (df) (↓ better)

438.3 (265)

346.7 (224)

508.0 (340)

317.1 (220)

 RMSEA (90% CI)

(upper CI < 0.80)

0.063 (0.052, 0.074)

0.058 (0.046, 0.069)

0.055 (0.045, 0.065)

0.052 (0.039, 0.064)

 SRMR (< 0.08)

0.075

0.068

0.063

0.055

 CFI (≥ 0.95)

0.848

0.878

0.865

0.914

 TLI (≥ 0.95)

0.828

0.863

0.850

0.902

  1. aHu L, Bentler PM. Cutoff criteria for fit indexes in covariance structure analysis: Conventional criteria versus new alternatives. Structural equation modeling: a multidisciplinary journal. 1999;6 (1):1-55.
  2. χ2 (df) chi-square test (degrees of freedom); RMSEA root mean square error of approximation (< 0.05 = good fit and upper CI < 0.08); SRMR standardized root mean square residual (< 0.05 = good fit and < 0.08 = adequate fit); CFI Comparative Fit Index (> 0.95 = good fit and > 0.90 = adequate fit); TLI Tucker-Lewis Index (> 0.95 = good fit and > 0.90 = adequate fit)
  3. bRoles merged with resources factor in modified knowledge scale
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Implementation Science

ISSN: 1748-5908