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Table 6 Model fit indices of confirmatory factor analysis for each PROMIS-57 domain

From: Validity and reliability of the Chinese version of the Patient-Reported Outcomes Measurement Information System adult profile-57 (PROMIS-57)

Domain χ2 df CFI TLI RMSEA SRMR
Physical function 67.88 28 0.953 0.961 0.042 0.027
Anxiety 51.89 20 0.969 0.957 0.039 0.024
Depression 71.17 31 0.954 0.953 0.056 0.031
Fatigue 49.02 20 0.992 0.989 0.047 0.021
Sleep disturbance 85.03 28 0.979 0.986 0.046 0.019
Ability to participate in social roles and activities 46.05 20 0.971 0.959 0.049 0.033
Pain interference 58.34 25 0.988 0.983 0.052 0.014
  1. CFI comparative fit index, TLI Tucker-Lewis Index, RMSEA root mean square error of approximation, SRMR standard root mean square residual