Table 2. Confirmatory Factor Analysis Results of Baseline, Pilot, and Final Program Sustainability Assessment Tool Instruments.

Phase	Subscales	Items	χ2/df	CFI	RMSEA	SRMR	AIC
Baseline	1	63	15.3	0.58	0.102	0.087	114,884
Pilot	9	63	3.7	0.82	0.067	0.063	108,194
Final	8	40	3.6	0.89	0.066	0.055	69,518

Abbreviations: CFI, comparative fit index; RMSEA, root mean square error of approximation; SRMR, standardized root mean residual; AIC, Akaike Information Criterion.