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Table 2 Comparison of four models for the SOC-13 factor structure

From: Validation of the factor structure and psychometric characteristics of the Arabic adaptation of the sense of coherence SOC-13 scale: a confirmatory factor analysis

Model

Chi-squared (df)

RMSEA (90% CI)

CFI

TLI

SRMR

One-factor

1110.240 (65)

0.114 (0.108–0.120)

0.944

0.933

0.077

Two-factor

760.126 (64)

0.094 (0.088–0.100)

0.963

0.955

0.067

Three-factor

614.628 (62)

0.085 (0.079–0.091)

0.971

0.963

0.060

Four-factor

537.638 (59)

0.081 (0.075–0.087)

0.975

0.966

0.057

Three-factor*

1000.292 (62)

0.111 (0.105–0.117)

0.950

0.937

0.073

Three-factor [excluding items 1,2, and 3]

267.641 (32)

0.077 (0.069–0.086)

0.985

0.979

0.053

  1. CFI, comparative fit index; TLI, Tucker-Lewis index; RMSEA, root mean square error of approximation; CI, confidence interval; df, degrees of freedom; SRMR, standardized root-mean-square residuals
  2. Three-factor*: The original three-dimensional structure