Translation and psychometric testing of the simplified version of the health-related diet and exercise self-efficacy scale in China

Table 3 Fit index of the model

Model	χ²	df	χ²/df	CFI	TLI	RMSEA
Single-factor model	383.12	20	19.17	0.659	0.522	0.290
Two-factor model	67.82	19	3.57	0.954	0.932	0.109

ISSN: 1477-7525