A cross-cultural adaptation and validation of a scale to assess illness identity in adults living with a chronic illness in South Africa: a case of HIV

Table 2 Fit indices of the different tested models

Model	Chi square	Degrees of freedom (DF)	Probability (> 0.05)	Normed χ² (χ²/DF) (< 2)	RMSEA (< 0.08)	SRMR (< 0.09)	CFI (> 0.9)
Fit of 25-Item (original model) to current data	532.147	269	< 0.01	1.978	0.105	0.107	0.761
Fit of EFA informed, 22-Item model (Model 1) to current data_3 items deleted	422.184	203	< 0.01	2.08	0.11	0.103	0.788
Fit of EFA Informed, 20-item model to current data (final model)_further 2 items deleted and modification indices applied	244.061	161	< 0.01	1.516	0.076	0.089	0.909
Fit of original model (25-Item) to Belgian data	382.82	266	≤ 0.01	1.44	0.046	0.067	.909

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