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Table 2 Comparing fit statistics among models (N = 90)

From: Construct validity, test–retest reliability and internal consistency of the Thai version of the disabilities of the arm, shoulder and hand questionnaire (DASH-TH) in patients with carpal tunnel syndrome

Fit indices Hypothesized-5 factora Six-factor Five-factor Four-factor Three-factor Two-factor One-factor
Chi square 976.995 390.704 518.185 685.468 840.903 1228.741 1266.713
Df 395 270 295 321 348 376 405
RMSEA 0.128 (0.118 0.138) 0.070 (0.054 0.085) 0.092 (0.079 0.105) 0.112 (0.101 0.124) 0.125 (0.115 0.136) 0.159 (0.115 0.169) 0.206 (0.193 0.219)
CFI 0.967 0.993 0.987 0.979 0.972 0.952 0.840
TLI 0.964 0.989 0.981 0.972 0.965 0.944 0.828
SRMR/WRMR 0.968b 0.042 0.049 0.059 0.068 0.090 0.152
  1. Df degree of freedom, RMSEA root-mean-square error of approximation, CFI comparative fit index, SRMR standardized root-mean-square residual, TLI Tucker–Lewis index, WRMR weighted root mean square residual
  2. aCFA 5 domain: factor 1, 1–16; factor 2, 17–21; factor 3, 22–23; factor 4, 24–28; factor 5, 29–30
  3. bThis value was calculated by WRMR