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Table 2 Results of the robust solution regarding the three SEM models

From: Psychometric properties of the WHOQOL-BREF(PT) in a sample of elderly citizens

Indexes Index values Qualitative classificationa
First-order CFA H-second-order CFA \({\text{SEM}}_{{{\text{QOL}}_{24} - {\text{GF}}}}\)
χ2 1022.622 1042.076 1131.384
df 246 248 294
p value2)  < 0.001  < 0.001  < 0.001
CFI 0.949 0.948 0.949 Almost very good
TLI 0.943 0.942 0.943 Almost very good
RMSEA 0.095 0.096 0.090 Admissible
RMSEACI(90%) [0.089; 0.101] [0.090; 0.102] [0.085; 0.096]
PClose  < 0.001  < 0.001  < 0.001
  1. aAccording to Marôco [46]