The RU_SATED as a measure of sleep health: cross-cultural adaptation and validation in Chinese healthcare students

Table 2 Fit indices for alternative models of the RU_SATED-C at T1 and T2 (N = 898)

Model	χ² (df)	P	CFI	TLI	RMSEA (90% CI)	Scaled Chi-squared difference test
Model	χ² (df)	P	CFI	TLI	RMSEA (90% CI)	Δχ² (Δdf)	P
One-factor (T1)	32.974 (9)	< 0.001	0.958	0.929	0.054 (0.035, 0.075)
One-factor (T2)	36.421 (9)	< 0.001	0.967	0.945	0.058 (0.039, 0.079)
Two-factor (T1, Japanese)	21.317 (8)	< 0.001	0.976	0.956	0.043 (0.021, 0.066)	13.399 (1)	< 0.001
Two-factor (T2, Japanese)	29.623 (8)	< 0.001	0.974	0.952	0.055 (0.035, 0.077)	7.579 (1)	0.006
Two-factor (T1, English)	32.407 (8)	< 0.001	0.957	0.919	0.058 (0.038, 0.080)	0.656 (1)	0.418
Two-factor (T2, English)	36.313 (8)	< 0.001	0.966	0.937	0.063 (0.043, 0.084)	0.155 (1)	0.694
Threshold	N/A	> 0.05	> 0.900	> 0.900	< 0.080

Report “Used/Standard” fit indices due to use of listwise deletion; df, degrees of freedom; CFI, comparative fit index; TLI, Tucker–Lewis index; RMSEA, root mean square error of approximation; CI, confidence interval; T1, Time 1; T2, Time 2; N/A, not applicable

ISSN: 2050-7283