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Table 3 Fit details of 1-, 2- and 3-factor CFA models and a bi-factor model

From: Validation of the German version of the Family Reported Outcome Measure (FROM-16) to assess the impact of disease on the partner or family member

Model Degrees of freedom p-value (x2) CFI TLI RMSEA Lower Upper SRMR AIC BIC
1-Factor (1 to 16) 104 < 0.001 0.766 0.730 0.095 0.074 0.017 0.086 3800.8 3920.7
2-Factor (factor 1 = items 1 to 6; factor 2 = items 7 to 16) 103 < 0.001 0.788 0.753 0.092 0.069 0.113 0.085 3793.7 3916.2
3-Factor (factor 1 = items 1 and 3; factor 2 = items 2, 4, 5, 6; factor 3 = items 7 to16) 101 < 0.001 0.794 0.755 0.091 0.067 0.113 0.082 3793.1 3930.6
Bi-factor (general = all; factor 1 = items 1 to 6; factor 2 = items 7 to 16) 87 0.002 0.872 0.823 0.082 0.047 0.100 0.074 3114.7 3227.5