. 2019 Feb 26;14(2):e0213018. doi: 10.1371/journal.pone.0213018

Table 2. Fit of confirmatory factor analysis models.

Model	χ² (df)	RMSEA(90% confidence interval)	CFI	TLI	χ²difference (df)
1. Correlated Factors	410.931^** (145)	.030 (.027, .034)	.972	.967	-
2. Bifactor	321.561^**(129)	.027 (.024, .031)	.980	.973	1. vs. 2. 110.742^**(16)
3. S-1_wellbeing	535.155^**(133)	.039 (.036, .043)	.958	.946	2. vs. 3. 187.072^**(4)
4. S-1_{internalising}	407.180^**(138)	.031 (.028, .035)	.972	.965	2. vs. 4. 87.311^**(9)

RMSEA, Root Mean Square Error of Approximation; CFI, Comparative Fit Index; TLI, Tucker Lewis Index.

** p < .001.