. Author manuscript; available in PMC: 2022 Dec 2.

Published in final edited form as: Assessment. 2019 Jun 5;28(1):100–115. doi: 10.1177/1073191119851563

Table 4.

Factor analysis model comparisons.

	Adolescent				Caregiver

	χ² (df)	CFI	TLI	RMSEA [90% CI]	χ² (df)	CFI	TLI	RMSEA [90% CI]
1-factor CFA	626.03(135)	0.89	0.88	0.14 [0.13, 0.15]	1107.57(135)	0.85	0.83	0.21 [0.20, 0.22]
2-factor CFA	364.12(134)	0.95	0.94	0.09 [0.08, 0.11]	455.12(134)	0.95	0.94	0.12 [0.11, 0.13]
3-factor CFA (literature standard)	363.72(132)	0.95	0.94	0.09 [0.08, 0.11]	446.66(132)	0.95	0.94	0.12 [0.11, 0.13]
2-factor EFA	260.5(118)	0.97	0.96	0.08 [0.07, 0.09]	306.40(118)	0.97	0.97	0.10 [0.08, 0.11]
3-factor EFA	220.82(102)	0.97	0.96	0.08 [0.06, 0.09]	217.15(102)	0.98	0.97	0.08 [0.07, 0.10]
2-factor CFA with Q19 cross loading	341.89(133)	0.953	0.95	0.09 [0.08, 0.10]	397.73(133)	0.96	0.95	0.11 [0.10, 0.12]
2-factor CFA with Q19 and Q20 cross loadings	320.60(132)	0.96	0.95	0.09 [0.07, 0.10]	361.37(132)	0.97	0.96	0.10 [0.09, 0.12]
2-factor CFA with Q19, Q20, and Q1 cross loadings	289.74(131)	0.96	0.96	0.08 [0.07, 0.09]	320.93(131)	0.97	0.97	0.09 [0.08, 0.11]

Note. df = degrees of freedom; CFI = comparative fit index; TLI = Tucker-Lewis Index; RMSEA = root mean-square error of approximation; CI = confidence interval; WRMR = weighted root mean-square residual. Final model for each sample is shown in bold.