Table 2 Comparison of the goodness of fit parameters between models.

From: Design, reliability and construct validity of a Knowledge, Attitude and Practice questionnaire on personal use of antibiotics in Spain

Indicator

Model 0

Model 1.0

Model 1.1

χ2

1037.074

580.45

248.49

df

118

116

94

p

< 0.0001

< 0.0001

< 0.0001

RSMEA (90% CI)

0.096 (0.091, 0.102)

0.069 (0.063, 0.075)

0.044 (0.038, 0.051)

CFI

0.55

0.77

0.92

TLI

0.49

0.74

0.90

AIC

67,594.035

67,141.414

62,873.317

BIC

67,840.296

67,397.146

63,147.993

aBIC*

67,675.160

67,225.659

62,963.803

SRMR

0.088

0.073

0.047

  1. Model 0 encompassed two factors (Knowledge and Attitude), Model 1.0 consisted of three factors (Knowledge, Attitude-Personal and Attitude-Healthcare provider) and Model 1.1 involved the same factors as Model 1.0 but excluding Q8.
  2. χ2 Chi-square value, df Degree of Freedom, p p-value (Chi-square), RSMEA Root Mean Squared Error Approximation, CFI Comparative Fit Index, TLI Tucker-Lewis Index, AIC Akaike Information Criterion, BIC Bayesian Information Criterion, aBIC sample-size adjusted BIC, SRMR Standardized Root Mean Square Residual.
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