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Table 5 Summary of fit indices for full and parsimonious models

From: Patterns of Chlamydia trachomatis and Neisseria gonorrhoeae in different anatomical sites among Pre-Exposure Prophylaxis (PrEP) users in Brazil

Model

χ2/df ratio

GFI

CFI

SRMR

RMSEA

Full theoretical model

0.723

0.990

1.000

0.0295

0.000

Parsimonious model

0.804

0.973

1.000

0.0486

0.000

Ideal value

< 3.0

≥ 0.95

≥ 0.95

≤ 0.08

≤ 0.06

  1. χ2/df ratio Chi square and degrees of freedom ratio; GFI: Goodness of fit statistics; CFI: comparative fit index; SRMR: standardized root-mean-squared residual; RMSEA: root-mean-square error of approximation