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Table 5 Fit indices for confirmatory factor analysis models

From: Validity of the posttraumatic stress disorders (PTSD) checklist in pregnant women

Model Chi-sq. (df) SRMR RMSEA CFI
1 2344.22 (116) 0.04 0.08 0.90
2 3379.95 (116) 0.07 0.09 0.86
3 1404.67 (113) 0.04 0.06 0.94
4 1830.05 (113) 0.05 0.07 0.93
  1. Abbreviations: Chi-sq. (df) chi-square statistic (degree of freedom), SRMR standardized root mean square residual, RMSEA root mean square error of approximation, CFI comparative fit index; Bold indicates the best fitting model
  2. Model 1: Factor 1—1,2,3,4,5,6,7,8; Factor 9,10,11,12,13,15; Factor 3—14,16,17
  3. Model 2: Factor 1—1,2,3,4,5,6,7,8; Factor 2—9,10,11,12,13,15; and Factor 3—14,17
  4. Model 3: Factor 1—1,2,3,4,5; Factor 2—6,7; Factor 3—8,9,10,11,12; and Factor 4—13,14,15,16,17
  5. Model 4: Factor 1—1,2,3,4,5; Factor 2—6,7; Factor 3—8,9,10,11,12,13,14,15 and Factor 4—16,17