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Table 3 Confirmatory factor analysis of the CHLSalt-22 with different models

From: Development of a short-form Chinese health literacy scale for low salt consumption (CHLSalt-22) and its validation among hypertensive patients

Model

χ2

df

χ2/df

CFI

TLI

SRMR

RMSEA[90%CI]

1

354.170

181

1.957

0.956

0.944

0.041

0.045[0.038–0.052]

2

632.060

182

3.473

0.922

0.901

0.049

0.050[0.045–0.054]

  1. χ2 Chi-square, df Degrees of freedom, CFI Comparative fit index, TLI Tucker-Lewis index, SRMR Standardized root mean residual, RMSEA Root mean square error of approximation, 90% CI 90% confidence interval, M1 469 samples structure model, M2 1003 samples model