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Table 3 The fit of factorial models of the OHIP-14 in University subjects

From: The Chinese version of the Oral Health Impact Profile-14 (OHIP-14) questionnaire among college students: factor structure and measurement invariance across genders

Model

χ2 (df), p

CFI

TLI

SRMR

RMSEA (90%CI)

Unifactorial

888.532 (77) p < 0.001

0.979

0.975

0.033

0.107 (0.101–0.113)

3 Factors–1st Order

661.273 (74) p < 0.001

0.985

0.981

0.026

0.093 (0.086–0.099)

4 Factors–1st Order

609.915 (71) p < 0.001

0.986

0.982

0.025

0.091 (0.084–0.098)

7 Factors–1st Order

213.458 (56) p < 0.001

0.996

0.993

0.013

0.055 (0.048–0.063)

  1. χ2 chi-square, df degree of freedom, CFI comparative fit index, TLI Tucker–Lewis index, SRMR standardized root mean square residual, RMSEA root-mean-square error of approximation, CI confidence interval
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BMC Oral Health

ISSN: 1472-6831

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