The Patient Activation Measure-13 (PAM-13) in an oncology patient population: psychometric properties and dimensionality evaluation

Table 3 Fit indices for confirmatory factor analysis models

Model	RMSEA (90% CI)	CFI	TLI	GFI	AGFI	SRMR
Robust FIML (n = 1125)
1-factor	0.086 (0.081; 0.092)	0.779	0.737	0.993	0.989	0.063
2-factor	0.064 (0.058; 0.070)	0.882	0.856	0.996	0.993	0.046
4-factor	0.073 (0.067; 0.080)	0.856	0.815	0.995	0.991	0.053
WLSMV with listwise deletion (n = 959)
1-factor	0.075 (0.068; 0.082)	0.840	0.808	0.999	0.998	0.061
2-factor	0.053 (0.046; 0.060)	0.922	0.904	0.999	0.999	0.043
4-factor	0.069 (0.062; 0.076)	0.877	0.837	0.999	0.999	0.052

RMSEA = Root Mean Square Error of Approximation; CI = Confidence Interval; CFI = Comparative fit index; TLI = Tucker-Lewis index
GFI = Goodness-of-fit; AGFI = Adjusted goodness-of-fit; SRMR = Standardized Root Mean Square Residual

ISSN: 1477-7525