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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